National Weather Service United States Department of Commerce

Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Iowa Surface Observations

    
                        
450
ASUS43 KDMX 200810
RWRIA

WEATHER ROUNDUP FOR IOWA
NATIONAL WEATHER SERVICE DES MOINES IA
300 AM CDT WED MAY 20 2026

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.

* - THESE STATIONS ARE NOT NWS STATIONS...THUS NOT UNDER NWS
QUALITY CONTROL. THEY ALSO DO NOT REPORT WEATHER SUCH
AS PRECIPITATION OR FOG.

IAZ001>003-012>014-020>022-031>034-043>046-200900-
NORTHWEST IOWA

CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARROLL * CLEAR 39 39 100 NW6 30.30S WCI 35 TC 4
CHEROKEE * LGT RAIN 36 36 100 S1 30.31S VSB 1/2 TC 2
DENISON * N/A 39 39 100 CALM 30.31F TC 4
LE MARS * FOG N/A N/A N/A CALM 30.29S VSB 1/4
MAURICE * PTCLDY 41 37 87 E6 30.29S TC 5
SHELDON * FOG 36 36 100 CALM 30.28S VSB 1/4 TC 2
SIOUX CITY CLEAR 40 38 93 CALM 30.30S TC 4
SPENCER FLURRIES 36 35 96 CALM 30.30S TC 2
STORM LAKE * CLEAR 45 39 81 NE5 30.31R TC 7
$$

IAZ055>058-069>071-079>083-090>094-200900-
SOUTHWEST IOWA

CITY SKY/WX TMP DP RH WIND PRES REMARKS
ATLANTIC * PTCLDY 43 43 100 N3 30.28F TC 6
AUDUBON * N/A 39 37 93 CALM 30.30S TC 4
CLARINDA * PTCLDY 46 46 100 NE5 30.30S TC 8
COUNCIL BLFS * CLEAR 45 45 100 N5 30.28S TC 7
CRESTON * MOCLDY 46 41 81 N7 30.28S TC 8
HARLAN * CLEAR 39 39 100 N5 30.30S TC 4
LAMONI MOCLDY 45 43 93 N7 30.27S TC 7
RED OAK * PTCLDY 45 43 93 N3 30.29S TC 7
SHENANDOAH * PTCLDY 46 46 100 CALM 30.27F TC 8
$$

IAZ047>049-059>061-072>074-084-200900-
CENTRAL IOWA

CITY SKY/WX TMP DP RH WIND PRES REMARKS
AMES PTCLDY 45 42 89 N7 30.29R TC 7
ANKENY * PTCLDY 45 43 93 N3 30.29S TC 7
BOONE * PTCLDY 45 45 100 N7 30.28R TC 7
CHARITON * PTCLDY 45 45 100 N6 30.26F TC 7
DES MOINES PTCLDY 45 42 89 NW3 30.28S TC 7
GRINNELL* PTCLDY 44 42 92 CALM 30.28R TC 7
KNOXVILLE * PTCLDY 48 43 81 N6 30.27S TC 9
MARSHALLTOWN PTCLDY 42 41 96 NW9 30.27S TC 6
NEWTON * CLEAR 46 45 93 NW7 30.27S TC 8
PELLA * PTCLDY 46 43 90 CALM 30.28S TC 8
PERRY * PTCLDY 43 43 99 N5 30.28R FOG TC 6
$$

IAZ004>006-015-016-023>025-035-036-200900-
NORTH CENTRAL IOWA

CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALGONA * CLEAR 39 39 100 CALM 30.29R TC 4
CLARION * CLEAR 43 43 100 NW3 30.30R TC 6
ESTHERVILLE CLEAR 39 36 89 W6 30.29S WCI 35 TC 4
FORT DODGE * PTCLDY 39 39 100 CALM 30.31R FOG TC 4
MASON CITY CLEAR 38 36 92 NW6 30.28R WCI 33 TC 3
FOREST CITY * CLEAR 37 36 93 CALM 30.30R TC 3
WEBSTER CITY * PTCLDY 41 41 100 NW7 30.28R TC 5
IOWA FALLS * PTCLDY 42 40 91 NW6 30.30R TC 6
HAMPTON * PTCLDY 37 36 93 CALM 30.29R TC 3
$$

IAZ007>011-017>019-026>030-037>042-050>054-066-200900-
NORTHEAST IOWA

CITY SKY/WX TMP DP RH WIND PRES REMARKS
CEDAR RAPIDS PTCLDY 46 42 86 NW9 30.24R TC 8
CHARLES CITY * PTCLDY 41 41 100 W5 30.27R TC 5
CLINTON * PTCLDY 46 43 89 NW7 30.23R TC 8
DECORAH * PTCLDY 43 43 100 NW3 30.24R TC 6
DUBUQUE PTCLDY 47 42 83 NW10 30.22R TC 8
MONTICELLO * PTCLDY 46 46 100 NW12 30.22S TC 8
OELWEIN * CLEAR 45 45 100 NW10 30.25S TC 7
WATERLOO PTCLDY 44 42 93 NW8 30.27R TC 7
$$

IAZ064-065-067-068-078-200900-
EAST CENTRAL IOWA

CITY SKY/WX TMP DP RH WIND PRES REMARKS
DAVENPORT PTCLDY 47 42 83 NW9 30.22R TC 8
IOWA CITY PTCLDY 49 42 77 NW8 30.26R TC 9
MUSCATINE * CLEAR 48 43 81 NW7 30.25R TC 9
QUAD CITIES PTCLDY 50 41 71 NW9 30.21R TC 10
$$

IAZ062-063-075>077-085>089-095>099-200900-
SOUTHEAST IOWA

CITY SKY/WX TMP DP RH WIND PRES REMARKS
BURLINGTON CLOUDY 50 43 77 N10 30.22R TC 10
FORT MADISON * CLOUDY 50 45 81 NW8 30.23S TC 10
OSKALOOSA * PTCLDY 49 44 83 N8 30.26F TC 10
OTTUMWA PTCLDY 46 43 89 NW8 30.25S TC 8
WASHINGTON * N/A 46 46 100 NW10 30.23S TC 8
$$

ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURES IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$




Road Conditions

Image Courtesy of the Iowa Environmental Mesonet

Midwest Surface Map

Midwest Surface Map

 

U.S. Surface Map

U.S. Surface Map

Iowa Weather Summary

    
                    

River Summary

    
                        
680
SRUS43 KDMX 200742
RVADMX
IAC001-003-007-009-013-015-017-023-025-027-029-033-039-047-049-051-053-
063-069-073-075-077-079-081-083-091-099-109-117-121-123-125-127-135-147-
151-153-157-159-161-169-171-173-175-179-181-185-187-189-195-197-210745-

Hydrologic Summary
National Weather Service Des Moines IA
240 AM CDT Wed May 20 2026

Hourly river stages. Time is in Central Time. For the latest river forecasts,
flood warnings and flood statements refer to weather.gov/desmoines.

Refer to the end of this product for an explanation of the columns.

Cur Obs Flood 6hr 24hr Obs
Location FS Stg Category Chg Chg Date/Time

...Mississippi River Basin...

.Wapsipinicon River Basin...

Wapsipinicon River
Tripoli 15.0 8.71 Non-Flood 0.10 0.52 0520/0145

.Iowa River Basin...

West Main Drainage Ditch 1-2
Britt 76.01 -0.01 -0.15 0520/0215

Iowa River
Rowan 12.5 5.49 Non-Flood 0.03 0.22 0520/0200
Steamboat Rock 11.0 6.36 Non-Flood 0.04 0.15 0520/0200
Marshalltown 19.0 12.93 Non-Flood 0.10 0.92 0520/0200
Tama Hwy E49 12.5 6.79 Non-Flood 0.31 1.62 0520/0200
Tama US 63 20.0 12.08 Non-Flood 0.26 1.28 0520/0200
Chelsea

South Fork Iowa River
Blairsburg 5.34 -0.02 0.01 0520/0200
New Providence 5.18 0.17 0.72 0520/0145

Timber Creek
Marshalltown 14.0 5.10 Non-Flood -0.35 0.99 0520/0200

Richland Creek
Haven 11.59 -0.08 0.35 0520/0200

Stein Creek
Clutier 67.62 -0.02 0.07 0520/0130

Salt Creek
Elberon 16.0 7.26 Non-Flood -0.04 0.54 0520/0200

Walnut Creek
Hartwick 14.0 2.97 Non-Flood -0.15 0.46 0520/0200

Deer Creek
Toledo

Deep River
Deep River 68.80 -0.39 -4.32 0520/0215

.Cedar River Basin...

Cedar River
Waverly 12.0 5.03 Non-Flood -0.01 0.06 0520/0215
Janesville 13.0 2.42 Non-Flood 0.09 0.23 0520/0145
Cedar Falls 89.0 81.15 Non-Flood 0.14 0.21 0520/0145
Waterloo 13.0 7.00 Non-Flood 0.10 0.09 0520/0200

West Fork Cedar River
Kesley
Kesley Hickory Ave--IFC 945.87 0.02 0.11 0520/0200
Finchford 17.0 8.48 Non-Flood 0.05 0.22 0520/0145

Spring Creek (North Central Iowa)
Mason City US 65 81.22 -0.01 -0.06 0520/0145

Winnebago River
Mason City 10.0 6.06 Non-Flood 0.00 0.01 0520/0200
Rockford

Clear Lake
Clear Lake 4.94 0.02 0.03 0520/0200

Willow Creek
Mason City US 18 Bus 86.78 -0.07 -0.22 0520/0145

Shell Rock River
Northwood
Nora Springs
Rockford Foothill Ave--IFC 970.89 -0.02 -0.09 0520/0200
Marble Rock 4.0
Marble Rock 290th St--IFC 949.67 -0.04 -0.08 0520/0200
Shell Rock 12.0 8.98 Non-Flood 0.01 0.08 0520/0145

Beaver Creek (Northeast Iowa)
New Hartford 12.5 3.50 Non-Flood 0.08 0.31 0520/0200

Black Hawk Creek
Hudson 14.0 7.84 Non-Flood 0.03 0.86 0520/0145

Wolf Creek
Dysart 12.0 4.10 Non-Flood 0.02 0.89 0520/0215

.Skunk River Basin...

Mud Lake Drainage Ditch 71 (North Central Iowa)
Jewell 82.10 -0.13 -0.12 0520/0215

Keigley Branch (Central Iowa)
Story City 84.23 -0.11 -0.13 0520/0130

South Skunk River
Randall Hwy R61--IFC 977.10 -0.19 0.18 0520/0200
Ames Hwy E18 4.51 -0.13 0.45 0520/0200
Ames McFarland Park 180th 4.31 -0.12 0.61 0520/0130
Ames W Riverside Rd 12.5 5.63 Non-Flood -0.08 0.63 0520/0200
Ames E 13th St--IFC 880.62 -0.06 0.96 0520/0200
Ames US 30 21.5 14.27 Non-Flood -0.14 0.50 0520/0200
Colfax 18.0 11.67 Non-Flood 0.11 1.85 0520/0145
Oskaloosa 24.5 15.44 Non-Flood -0.09 0.05 0520/0130

Ioway Creek
Story City 120th St--IFC 972.18 -0.18 -0.05 0520/0200
Ames Hwy E18 3.32 -0.20 0.00 0520/0200
Gilbert 160th St--IFC 930.81 -0.22 -0.10 0520/0200
Ames Cameron School Rd 3.80 -0.22 -0.03 0520/0130
Ames Stange Rd--IFC 890.31 -0.27 -0.22 0520/0200
Ames Lincoln Way 10.0 3.14 Non-Flood -0.11 -0.14 0520/0200
Ames S Duff Ave--IFC 874.30 -0.22 -0.39 0520/0200

Indian Creek
Mingo 6.62 -0.02 0.77 0520/0215

Middle Creek
Lacey 78.54 -0.46 -7.69 0520/0200

.Des Moines River Basin...

West Fork Des Moines River
Estherville 10.0 4.25 Non-Flood 0.01 0.12 0520/0233
Emmetsburg 11.0 3.83 Non-Flood 0.01 0.11 0520/0215
Humboldt 10.0 5.62 Non-Flood 0.12 0.56 0520/0200

Pilot Creek
Rolfe 3.27 -0.01 -0.07 0520/0215

East Fork Des Moines River
Algona 17.0 9.06 Non-Flood 0.27 0.44 0520/0215
Dakota City 20.0 9.26 Non-Flood -0.01 -0.02 0520/0200

Des Moines River
Fort Dodge 10.5 5.43 Non-Flood 0.06 0.18 0520/0200
Stratford 19.0 7.84 Non-Flood 0.00 0.06 0520/0200
Des Moines 2nd Ave 23.0 15.67 Non-Flood 0.03 0.46 0520/0115
Des Moines SE 6th St 24.0 15.05 Non-Flood 0.02 0.37 0520/0200
Swan 50.31 0.04 4.12 0520/0115
Tracy 14.0 7.66 Non-Flood 0.52 1.87 0520/0115
Eddyville 63.0 56.92 Non-Flood 0.43 3.68 0520/0115
Ottumwa 11.5 7.60 Non-Flood 0.25 2.60 0520/0220

Saylorville Reservoir
Pool 884.0 837.16 Non-Flood -0.10 -0.18 0520/0200
Tail 6.76 0.01 0.99 0520/0200
Normal Pool 836.0

Red Rock Reservoir
Pool 780.0 743.72 Non-Flood 0.31 1.33 0520/0215
Tail 690.84 0.08 2.86 0520/0215
Normal Pool 742.0

Lizard Creek
Fort Dodge 5.69 -0.03 0.08 0520/0215

Boone River
Goldfield 8.68 0.01 0.10 0520/0215
Webster City 14.0 3.15 Non-Flood -0.05 0.01 0520/0200

White Fox Creek
Clarion 84.02 -0.01 -0.05 0520/0145

Bluff Creek (Central Iowa)
Pilot Mound 81.23 -0.04 -0.16 0520/0215

Big Creek Ponding Area
Polk City 37.34 -0.10 -0.14 0520/0215

Big Creek Lake
Polk City 20.43 -0.01 0.26 0520/0215

Beaver Creek (Central Iowa)
Woodward 13.91 -0.04 0.36 0520/0215
Grimes 14.0 6.24 Non-Flood 0.01 0.77 0520/0215

Fourmile Creek
Ankeny US 69
Ankeny NE 47th St--IFC 908.55 -0.24 -0.25 0520/0200
Ankeny NE 86th Ave 11.0 3.55 Non-Flood -0.28 -1.06 0520/0115
Altoona NE 54th Ave--IFC 825.06 -0.32 -2.14 0520/0200
Altoona I-80
Des Moines Easton Blvd 12.5 5.22 Non-Flood -0.28 -1.01 0520/0115
Pleasant Hill Vandalia Rd- 771.39 -0.29 -1.75 0520/0200

North River
Norwalk Hwy R57 22.0 13.64 Non-Flood 0.15 4.01 0520/0215

Middle River
Indianola 23.0 11.89 Non-Flood -0.46 0.57 0520/0215

South River
Ackworth 29.0 14.11 Non-Flood -3.49 -0.78 0520/0215

White Breast Creek
Melcher-Dallas 23.0 14.92 Non-Flood -0.59 -4.31 0520/0115

English Creek
Knoxville 21.0 21.72 0.83 1.93 0520/0115

Cedar Creek
Bussey 25.0 10.08 Non-Flood -2.29 -2.35 0520/0115

Bear Creek
Ottumwa US 34 80.58 -0.29 -0.60 0520/0145

.Raccoon River Basin...

North Raccoon River
Sac City 8.23 -0.01 0.03 0520/0215
Lanesboro 9.79 0.01 0.09 0520/0215
Jefferson 19.0 6.68 Non-Flood 0.02 0.26 0520/0215
Perry 15.0 7.47 Non-Flood 0.11 1.05 0520/0215

Black Hawk Lake
Lake View 7.67 0.00 -0.01 0520/0215

Brushy Fork Creek (Western Iowa)
Templeton 67.35 -0.01 -0.05 0520/0200

Middle Raccoon River Tributary
Carroll 15.33 0.00 -0.02 0520/0215

Middle Raccoon River
Bayard 10.48 -0.04 -0.05 0520/0215
Panora 11.0 4.79 Non-Flood -0.04 -0.04 0520/0215

Lake Panorama
Panora 45.53 -0.01 -0.06 0520/0215

South Raccoon River
Redfield 20.0 3.79 Non-Flood -0.05 -0.16 0520/0145

Raccoon River
Van Meter Hwy R16 17.0 5.73 Non-Flood 0.09 0.35 0520/0200
West Des Moines 29.94 0.02 0.47 0520/0145
Des Moines IA 28 36.0 23.50 Non-Flood -0.02 0.24 0520/0115
Des Moines Fleur Dr 12.0 5.18 Non-Flood -0.07 -0.55 0520/0145

Walnut Creek (Central Iowa)
Waukee 156th St 9.0 1.81 Non-Flood -0.03 -0.01 0520/0031
Urbandale 142nd St 1.24 -0.06 -0.54 0520/0039
Clive NW 128th St--IFC 863.13 -0.21 -1.73 0520/0200
Clive I-80/35 9.0 3.46 Non-Flood -0.12 -1.32 0520/0225
Clive NW 100th St--IFC 840.70 -0.13 -1.02 0520/0200
Des Moines 63rd St 14.0 4.17 Non-Flood -0.16 -2.07 0520/0145

Little Walnut Creek (Central Iowa)
Clive 156th St--IFC 897.68 -0.12 -1.05 0520/0200

North Walnut Creek (Central Iowa)
Urbandale 92nd Dr
Urbandale Hickman Rd--IFC 834.48 -0.12 -1.52 0520/0200
Windsor Heights College Dr 825.94 -0.11 -1.24 0520/0200

Jordan Creek
West Des Moines

Buttrick Creek
Grand Junction 13.0 8.26 Non-Flood -0.09 -0.25 0520/0215

...Missouri River Basin...

.Nishnabotna River Basin...

East Nishnabotna River
Atlantic 19.0 3.22 Non-Flood -0.02 -0.13 0520/0200

.Chariton River Basin...

West Nodaway River
Massena IA 148 67.28 -0.05 -0.29 0520/0215

East Fork 102 River
Bedford 24.0 13.63 Non-Flood -0.68 -9.43 0520/0145

Thompson River
Davis City 12.0 10.12 Non-Flood 0.27 3.09 0520/0200

Chariton River
Chariton 19.5 14.83 Non-Flood -1.07 -0.54 0520/0145
Moulton 36.0 26.13 Non-Flood -1.62 -1.41 0520/0145

South Fork Chariton River
Promise City 25.0 6.37 Non-Flood -1.79 -2.16 0520/0145

Rathbun Reservoir
Pool 926.0 908.38 Non-Flood 0.14 0.87 0520/0145
Tail 2.25 -0.01 -0.09 0520/0200
Normal Pool 904.0

Cooper Creek (South Central Iowa)
Centerville 11.05 -1.53 -2.87 0520/0130

Key: FS=Flood stage (feet)
Cur Stg=Current stage (feet)
Obs Flood Category=Observed stage flood category (if applicable)--may be
different than forecast flood category
6hr Chg=6-hour change (feet)
24hr Chg=24-hour change (feet)
Obs Time=Date/time observation was taken (local time)

This product is computer generated and is not monitored directly for quality
control. Data sources include the U.S. Geological Survey, U.S. Army Corps of
Engineers, Iowa Flood Center, state agencies and the National Weather
Service.

$$


Central Iowa Observed Snowfall

The following information (mostly PDF files) is to be considered preliminary and unofficial.  Official or certified surface observing information can be obtained from the National Climatic Data Center at https://www.ncdc.noaa.gov.

In the pdf files below, look for the snowfall column, not the snow-depth.

 

Des Moines Airport NWS Office in Johnston Waterloo
(current month updated daily)  (generally updated Monday - Friday) (current month updated daily)
 April 2018  April 2018  April 2018
 March 2018  March 2018  March 2018
 February 2018  February 2018  February 2018
 January 2018  January 2018  January 2018
 December 2017  December 2017  December 2017
 November 2017  November 2017  November 2017
 March 2017  March 2017  March 2017
 February 2017  February 2017  February 2017
 January 2017  January 2017  January 2017
 December 2016  December 2016  December 2016
 November 2016  November 2016  November 2016
 October 2016  October 2016  October 2016
 March 2016  March 2016  March 2016
 February 2016  February 2016  February 2016
 January 2016  January 2016  January 2016
 December 2015  December 2015  December 2015
 November 2015  November 2015  November 2015
 March 2015  March 2015  March 2015
 February 2015  February 2015  February 2015
 January 2015  January 2015  January 2015
 December 2014  December 2014  December 2014
 November 2014  November 2014  November 2014
     
Additional Past Weather Information for Central Iowa can be found by clicking here.

CoCoRAHS Rainfall Reports

    
                        
974
SXUS53 KDMX 191405
LCODMX

COCORAHS PRECIPITATION SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
905 AM CDT TUE MAY 19 2026

COCORAHS PRECIPITATION REPORTS FOR THE PREVIOUS 24 HOURS
ENDING AROUND 7 AM LOCAL TIME
THESE REPORTS ARE CONSIDERED SUPPLEMENTAL AND UNOFFICIAL

.B DMX 0519 C DH07/PP/SF/SD/SW
:
:
:CENTRAL IOWA
:
: SNOW SNOW WATER
: PCPN FALL DEPTH EQUIV
:
IA-MA-11 : PELLA 1.1 ENE : 2.94 / MM / MM / MM
IA-CL-11 : OSCEOLA 0.5 WSW : 2.14 / MM / MM / MM
IA-CL-02 : OSCEOLA 2.5 WSW : 1.95 / MM / MM / MM
IA-CL-09 : OSCEOLA 2.5 N : 1.86 / MM / MM / MM
IA-DC-11 : GRAND RIVER 0.5 NE : 1.85 / MM / MM / MM
IA-WR-05 : HARTFORD 1.0 E : 1.70 / 0.0 / 0.0 / MM
IA-TY-02 : NEW MARKET 4.7 N : 1.69 / MM / 0.0 / MM
IA-WR-07 : INDIANOLA 0.8 SSW : 1.62 / MM / MM / MM
IA-PK-108 : DES MOINES 5.0 NNW : 1.61 / MM / MM / MM
IA-WR-27 : CARLISLE 4.5 SSE : 1.60 / MM / MM / MM
IA-PK-83 : ALTOONA 1.5 SSE : 1.53 / MM / MM / MM
IA-MD-05 : TRURO 0.3 WNW : 1.53 / MM / MM / MM
IA-MS-07 : MARSHALLTOWN 0.2 WSW : 1.46 / MM / MM / MM
IA-PK-73 : DES MOINES 4.1 N : 1.41 / MM / MM / MM
IA-PK-95 : DES MOINES 3.7 NW : 1.40 / MM / MM / MM
IA-WR-25 : NORWALK 1.6 SSW : 1.40 / MM / MM / MM
IA-WR-15 : NORWALK 1.7 SSE : 1.40 / MM / MM / MM
IA-DC-04 : WELDON 1.7 W : 1.40 / MM / MM / MM
IA-DV-10 : BLOOMFIELD 8.4 NNE : 1.39 / MM / MM / MM
IA-PK-03 : DES MOINES 4.5 WNW : 1.39 / MM / MM / MM
IA-WR-22 : PROLE 1.5 ENE : 1.36 / MM / MM / MM
IA-PK-148 : ANKENY 1.2 ENE : 1.34 / MM / MM / MM
IA-DV-07 : BLOOMFIELD 4.2 WNW : 1.33 / MM / MM / MM
IA-PK-37 : WINDSOR HEIGHTS 0.8 SE : 1.31 / 0.0 / 0.0 / MM
IA-PK-121 : PLEASANT HILL 3.2 E : 1.29 / MM / MM / MM
IA-SR-45 : AMES 2.0 WNW : 1.28 / MM / MM / MM
IA-PK-147 : MAXWELL 8.1 S : 1.27 / MM / MM / MM
IA-DV-14 : DRAKESVILLE 4.7 WNW : 1.23 / MM / MM / MM
IA-MD-03 : EARLHAM 2.0 W : 1.23 / MM / MM / MM
IA-PK-129 : DES MOINES 5.0 NNE : 1.22 / MM / MM / MM
IA-MD-06 : ST CHARLES 1.1 NW : 1.22 / MM / MM / MM
IA-PK-97 : ANKENY 1.5 NNE : 1.21 / 0.0 / 0.0 / MM
IA-DL-43 : VAN METER 0.2 NNE : 1.21 / MM / MM / MM
IA-SR-12 : AMES 2.1 N : 1.19 / MM / MM / MM
IA-MS-10 : MARSHALLTOWN 3.0 S : 1.14 / MM / MM / MM
IA-SR-02 : AMES 1.5 NNE : 1.12 / MM / MM / MM
IA-PW-04 : GRINNELL 0.6 NW : 1.09 / MM / MM / MM
IA-BH-29 : LA PORTE CITY 5.1 NNW : 1.08 / MM / MM / MM
IA-MH-09 : OSKALOOSA 7.5 SW : 1.05 / MM / MM / MM
IA-PK-125 : URBANDALE 1.0 NNE : 1.04 / MM / MM / MM
IA-BN-20 : MADRID 0.5 NE : 1.03 / MM / MM / MM
IA-DV-15 : BLOOMFIELD 9.3 WSW : 1.00 / MM / MM / MM
IA-JS-11 : LAUREL 6.0 SW : 1.00 / MM / MM / MM
IA-DC-13 : LEON 7.1 SE : 1.00 / MM / MM / MM
IA-DL-22 : WAUKEE 1.2 ENE : 1.00 / MM / MM / MM
IA-DL-28 : WAUKEE 3.0 SSW : 1.00 / MM / MM / MM
IA-BH-26 : WATERLOO 6.7 E : 0.99 / MM / MM / MM
IA-PW-06 : MALCOM 7.7 NNW : 0.98 / MM / MM / MM
IA-BH-28 : HUDSON 1.1 SSE : 0.96 / MM / MM / MM
IA-MH-15 : OSKALOOSA 3.7 SSE : 0.96 / MM / MM / MM
IA-SR-49 : STORY CITY 0.4 NW : 0.96 / MM / MM / MM
IA-DL-18 : WAUKEE 0.6 W : 0.96 / MM / MM / MM
IA-DL-32 : CLIVE 4.7 WNW : 0.95 / MM / MM / MM
IA-DL-33 : WAUKEE 1.6 N : 0.95 / MM / MM / MM
IA-SR-50 : AMES 10.0 NE : 0.94 / MM / MM / MM
IA-BH-06 : WATERLOO 1.9 SSE : 0.90 / MM / MM / MM
IA-BH-34 : LA PORTE CITY 4.5 E : 0.86 / MM / MM / MM
IA-PK-130 : URBANDALE 0.5 ESE : 0.86 / MM / MM / MM
IA-DV-08 : BLOOMFIELD 6.5 E : 0.85 / MM / MM / MM
IA-DL-17 : DALLAS CENTER 3.9 NNE : 0.85 / MM / MM / MM
IA-SR-57 : STORY CITY 1.1 W : 0.84 / MM / MM / MM
IA-LC-12 : CHARITON 2.0 WSW : 0.82 / MM / MM / MM
IA-AD-02 : CRESTON 8.3 WNW : 0.82 / MM / MM / MM
IA-DC-08 : LINEVILLE 3.8 W : 0.81 / MM / MM / MM
IA-SR-19 : GILBERT 0.2 W : 0.79 / 0.0 / MM / MM
IA-SR-41 : MAXWELL 2.5 N : 0.78 / MM / MM / MM
IA-BN-13 : MADRID 5.8 NNW : 0.77 / MM / MM / MM
IA-DL-26 : DALLAS CENTER 4.1 ENE : 0.74 / MM / MM / MM
IA-BH-07 : CEDAR FALLS 1.4 SSE : 0.73 / MM / MM / MM
IA-SR-59 : NEVADA 0.4 WNW : 0.73 / MM / MM / MM
IA-AP-12 : JEROME 0.4 W : 0.72 / MM / MM / MM
IA-SR-58 : NEVADA 0.3 WNW : 0.72 / MM / MM / MM
IA-SR-34 : NEVADA 4.6 S : 0.72 / MM / MM / MM
IA-WY-09 : CORYDON 7.7 SSE : 0.70 / MM / MM / MM
IA-LC-09 : CHARITON 4.6 E : 0.69 / MM / MM / MM
IA-PK-115 : POLK CITY 1.0 N : 0.68 / MM / MM / MM
IA-AP-09 : NUMA 1.7 W : 0.66 / MM / MM / MM
IA-WP-13 : OTTUMWA 2.2 ENE : 0.66 / MM / MM / MM
IA-MR-06 : LOVILIA 0.6 SSE : 0.65 / 0.0 / 0.0 / 0.00
IA-MA-13 : MARION 1.6 WNW : 0.65 / MM / MM / MM
IA-AP-11 : MELROSE 6.8 SSE : 0.65 / MM / MM / MM
IA-HD-05 : ELDORA 1.2 ENE : 0.61 / MM / MM / MM
IA-BM-09 : TRIPOLI 0.5 S : 0.60 / MM / MM / MM
IA-DV-03 : BLOOMFIELD 8.6 SSW : 0.56 / MM / MM / MM
IA-WY-03 : SEYMOUR 1.7 W : 0.55 / MM / MM / MM
IA-CS-11 : MASSENA 0.5 NE : 0.51 / MM / MM / MM
IA-DV-11 : MILTON 4.8 SSW : 0.44 / MM / MM / MM
IA-DL-42 : PERRY 0.4 SSW : 0.42 / MM / MM / MM
IA-BN-03 : OGDEN 1.6 SE : 0.39 / MM / MM / MM
IA-PA-05 : WEST BEND 5.4 W : 0.31 / MM / MM / MM
IA-HM-04 : WEBSTER CITY 0.8 SSW : 0.22 / MM / MM / MM
IA-CS-05 : ATLANTIC 7.1 NNE : 0.20 / MM / MM / MM
IA-GN-04 : CHURDAN 1.0 S : 0.20 / MM / MM / MM
IA-CH-07 : LYTTON 4.0 NE : 0.18 / MM / MM / MM
IA-WB-15 : CLARE 5.2 WNW : 0.15 / MM / MM / MM
IA-CF-02 : SCHLESWIG 0.4 NE : 0.15 / MM / MM / MM
IA-CG-14 : ROCKWELL 0.7 NNW : 0.14 / MM / MM / MM
IA-WG-06 : EAGLE GROVE 1.3 WSW : 0.13 / MM / MM / MM
IA-WB-17 : FORT DODGE 1.7 NNW : 0.13 / MM / MM / MM
IA-CR-12 : CARROLL 1.3 WNW : 0.11 / MM / MM / MM
IA-WG-07 : EAGLE GROVE 0.7 W : 0.10 / MM / MM / MM
IA-WB-12 : FORT DODGE 5.6 WNW : 0.09 / MM / MM / MM
IA-HN-10 : KANAWHA 4.1 ESE : 0.09 / MM / MM / MM
IA-SC-07 : SAC CITY 0.6 SSW : 0.09 / MM / MM / MM
IA-CF-09 : DUNLAP 5.4 NNW : 0.08 / MM / MM / MM
IA-WB-03 : FORT DODGE 1.6 ENE : 0.08 / MM / MM / MM
.END

$$