Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >
Overview
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The season's first decent snowfall event occurred across parts of eastern Iowa and northwest Illinois during the afternoon and evening of December 11. Carroll, Stephenson, and Jo Daviess Counties in northwest Illinois received the highest amounts of 2; to as much as 5 inches! |
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THE REPORTS BELOW ARE SEPARATED INTO SNOW...AND ICE AND SLEET CATEGORIES...THEN BY AMOUNT...AND ARE NOT NECESSARILY THE FINAL AMOUNT FOR EACH LOCATION. SNOW REPORTS LISTED BY AMOUNT INCHES LOCATION ST COUNTY TIME ------ ----------------------- -- -------------- ------- 5.0 1 N MOUNT CARROLL IL CARROLL 0729 PM 4.0 7 S STOCKTON IL JO DAVIESS 0415 PM 3.9 7 NNW MOUNT CARROLL IL CARROLL 0722 PM 3.2 SSE SHANNON IL CARROLL 0428 PM 3.1 5 NW LANARK IL CARROLL 0624 PM 3.0 MILLEDGEVILLE IL CARROLL 0407 PM 3.0 LANARK IL CARROLL 0400 PM 3.0 1 N LANARK IL CARROLL 0356 PM 2.4 1 N STERLING IL WHITESIDE 0624 PM 2.3 2 WNW FREEPORT IL STEPHENSON 0414 PM 2.0 2 WSW DUBUQUE IA DUBUQUE 0355 PM 1.8 3 ENE ROCK FALLS IL WHITESIDE 0641 PM 1.5 4 ENE FREEPORT IL STEPHENSON 0731 PM 1.3 DUBUQUE REGIONAL AIRPOR IA DUBUQUE 0600 PM 1.0 E FREEPORT IL STEPHENSON 0342 PM 0.7 2 WNW DUBUQUE IA DUBUQUE 0411 PM 0.5 4 ENE CLINTON IL WHITESIDE 0624 PM 0.2 1 SE VINTON IA BENTON 0313 PM |
| Interactive Snowfall Report Map |
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PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0313 PM SNOW 1 SE VINTON 42.16N 92.02W
12/11/2017 E0.2 INCH BENTON IA TRAINED SPOTTER
SNOW ON GRASS...MELTED ON ROADS.
0342 PM SNOW E FREEPORT 42.29N 89.63W
12/11/2017 E1.0 INCH STEPHENSON IL EMERGENCY MNGR
0355 PM SNOW 2 WSW DUBUQUE 42.49N 90.73W
12/11/2017 E2.0 INCH DUBUQUE IA TRAINED SPOTTER
0356 PM SNOW 1 N LANARK 42.12N 89.83W
12/11/2017 E3.0 INCH CARROLL IL BROADCAST MEDIA
0400 PM SNOW LANARK 42.10N 89.83W
12/11/2017 E3.0 INCH CARROLL IL PUBLIC
PUBLIC REPORT RELAYED BY BROADCAST MEDIA.
0407 PM SNOW MILLEDGEVILLE 41.96N 89.78W
12/11/2017 E3.0 INCH CARROLL IL PUBLIC
VIA FACEBOOK.
0411 PM SNOW 2 WNW DUBUQUE 42.52N 90.72W
12/11/2017 E0.7 INCH DUBUQUE IA TRAINED SPOTTER
0414 PM SNOW 2 WNW FREEPORT 42.30N 89.67W
12/11/2017 M2.3 INCH STEPHENSON IL TRAINED SPOTTER
STOPPED SNOWING.
0415 PM SNOW 7 S STOCKTON 42.25N 90.01W
12/11/2017 M4.0 INCH JO DAVIESS IL TRAINED SPOTTER
STORM TOTAL SNOWFALL.
0428 PM SNOW SSE SHANNON 42.15N 89.74W
12/11/2017 M3.2 INCH CARROLL IL TRAINED SPOTTER
0600 PM SNOW DUBUQUE REGIONAL AIRPOR 42.40N 90.72W
12/11/2017 M1.3 INCH DUBUQUE IA OFFICIAL NWS OBS
STORM TOTAL.
0624 PM SNOW 1 N STERLING 41.81N 89.69W
12/11/2017 M2.4 INCH WHITESIDE IL BROADCAST MEDIA
0624 PM SNOW 4 ENE CLINTON 41.86N 90.16W
12/11/2017 E0.5 INCH WHITESIDE IL TRAINED SPOTTER
0624 PM SNOW 5 NW LANARK 42.16N 89.89W
12/11/2017 M3.1 INCH CARROLL IL TRAINED SPOTTER
0641 PM SNOW 3 ENE ROCK FALLS 41.80N 89.64W
12/11/2017 M1.8 INCH WHITESIDE IL TRAINED SPOTTER
0722 PM SNOW 7 NNW MOUNT CARROLL 42.19N 90.03W
12/11/2017 M3.9 INCH CARROLL IL COCORAHS
STORM TOTAL.
0729 PM SNOW 1 N MOUNT CARROLL 42.11N 89.98W
12/11/2017 E5.0 INCH CARROLL IL TRAINED SPOTTER
STORM TOTAL SNOWFALL.
0731 PM SNOW 4 ENE FREEPORT 42.32N 89.57W
12/11/2017 M1.5 INCH STEPHENSON IL TRAINED SPOTTER
STORM TOTAL SNOWFALL.
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