An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >
Radar estimated rainfall (8am-8am)
County-by-County Listing
(only locations with an inch or more in our forecast area)
Public Information Statement
Spotter Reports
National Weather Service Baltimore MD/Washington DC
1017 AM EDT Wed Sep 17 2025
The following are unofficial observations taken during the past 24
hours for the storm that has been affecting our region. Appreciation
is extended to cooperative and CoCoRaHS observers, Skywarn spotters
and media for these reports. This summary also is available on our
home page at weather.gov/baltimore
***********24 HOUR RAINFALL (AT LEAST 1.00 INCH)************
LOCATION 24 HOUR TIME/DATE COMMENTS
RAINFALL MEASURED
(inches)
DISTRICT OF COLUMBIA
...District of Columbia...
Washington 1.24 819 AM 9/17 Mesonet
US Capitol 1.10 820 AM 9/17 Mesonet
National Arboretum 1.06 800 AM 9/17 Co-Op Observer
MARYLAND
...Anne Arundel County...
Benfield 1 SSE 1.15 825 AM 9/17 Mesonet
Crofton 1 SSE 1.13 510 AM 9/17 CoCoRaHS
Annapolis 1.12 815 AM 9/17 Mesonet
CROFTON 1.10 815 AM 9/17 Mesonet
GLEN BURNIE 1.00 819 AM 9/17 Mesonet
...Baltimore County...
Pikesville 1 SW 1.79 800 AM 9/17 ALERT
Woodlawn 1 SE 1.71 800 AM 9/17 UCOOP
Catonsville 3 NNW 1.42 710 AM 9/17 CoCoRaHS
Timonium 1.40 815 AM 9/17 Mesonet
Owings Mills 1.35 815 AM 9/17 Mesonet
Owings Mills 3 NE 1.29 824 AM 9/17 Mesonet
Catonsville 1 NW 1.26 736 AM 9/17 CoCoRaHS
Towson 1 SW 1.10 830 AM 9/17 CoCoRaHS
Towson 1.02 808 AM 9/17 Mesonet
Pikesville 2 SW 1.00 600 AM 9/17 CoCoRaHS
...Baltimore City...
Catonsville 2 NE 1.79 800 AM 9/17 IFLOWS
Towson 2 SW 1.20 800 AM 9/17 IFLOWS
...Calvert County...
Lusby 1.43 815 AM 9/17 Mesonet
Prince Frederick 3 S 1.34 500 AM 9/17 CoCoRaHS
Prince Frederick 1 W 1.30 830 AM 9/17 CoCoRaHS
...Carroll County...
Eldersburg 2.11 818 AM 9/17 Mesonet
Mount Airy SE 1.87 730 AM 9/17 CoCoRaHS
Eldersburg 1 E 1.63 700 AM 9/17 CoCoRaHS
Sykesville 2 N 1.57 800 AM 9/17 ALERT
Sykesville 1.13 815 AM 9/17 Mesonet
...Charles County...
Cobb Island 1.29 800 AM 9/17 Mesonet
CHARLOTTE HALL 1.08 820 AM 9/17 Mesonet
...Frederick County...
Green Valley 2 SW 1.29 825 AM 9/17 Mesonet
Adamstown 1 ESE 1.24 700 AM 9/17 CoCoRaHS
Walkersville SSW 1.19 951 AM 9/17 CoCoRaHS
Park Mills 3 ENE 1.11 825 AM 9/17 Mesonet
MIDDL 1.10 815 AM 9/17 Mesonet
...Howard County...
Lisbon 1 W 1.98 700 AM 9/17 UCOOP
Sykesville 2 SSE 1.84 700 AM 9/17 CoCoRaHS
Woodbine 5 SSW 1.83 815 AM 9/17 CoCoRaHS
Lisbon 1.82 815 AM 9/17 Mesonet
Mount Airy 5 SE 1.63 700 AM 9/17 CoCoRaHS
Sykesville 3 SE 1.54 700 AM 9/17 CoCoRaHS
Columbia 2 NW 1.44 825 AM 9/17 Mesonet
Ellicott City 2 E 1.34 700 AM 9/17 ALERT
Ellicott City 1.30 815 AM 9/17 Mesonet
Woodstock 1.28 815 AM 9/17 Mesonet
GLENELG 1.24 820 AM 9/17 Mesonet
Dayton 1.19 820 AM 9/17 Mesonet
ELLICOTT CITY 1.19 816 AM 9/17 Mesonet
Columbia 2 NNW 1.16 735 AM 9/17 CoCoRaHS
Ellicott City 2 S 1.06 810 AM 9/17 ALERT
Glenwood 1 NNE 1.04 825 AM 9/17 Mesonet
Columbia 2 N 1.00 700 AM 9/17 CoCoRaHS
...Montgomery County...
Poolesville 5 W 1.95 730 AM 9/17 CoCoRaHS
Damascus 1 S 1.91 700 AM 9/17 CoCoRaHS
Dickerson 7 SW 1.85 730 AM 9/17 CoCoRaHS
Laytonsville 5 NNW 1.61 700 AM 9/17 CoCoRaHS
Clarksburg 1 W 1.51 815 AM 9/17 Mesonet
Garrett Park SSW 1.40 915 AM 9/17 CoCoRaHS
Potomac 1.23 815 AM 9/17 Mesonet
Clarksburg 1 SE 1.20 824 AM 9/17 Mesonet
Aspen Hill 2 SE 1.17 810 AM 9/17 Mesonet
Rockville 1 WSW 1.16 823 AM 9/17 Mesonet
North Bethesda 1.10 819 AM 9/17 Mesonet
Germantown 2 SSW 1.10 824 AM 9/17 Mesonet
Montgomery Village 1 1.07 630 AM 9/17 CoCoRaHS
OLNEY 1.07 817 AM 9/17 Mesonet
Montgomery Village 1 1.06 700 AM 9/17 CoCoRaHS
Rockville 1 SE 1.05 700 AM 9/17 CoCoRaHS
Damascus 1.04 824 AM 9/17 Mesonet
Gaithersburg 3 NE 1.01 700 AM 9/17 CoCoRaHS
KENSINGTON 1.00 818 AM 9/17 Mesonet
...Prince Georges County...
Beltsville 1 NE 1.42 400 AM 9/17 ALERT
Suitland 2 SE 1.33 700 AM 9/17 CoCoRaHS
Calverton 1 E 1.33 800 AM 9/17 IFLOWS
Largo 3 S 1.31 800 AM 9/17 ALERT
Kettering 1 NW 1.26 400 AM 9/17 ALERT
Cedarville 1.20 819 AM 9/17 Mesonet
Riverdale 1.13 815 AM 9/17 Mesonet
Patuxent 1.10 819 AM 9/17 Mesonet
Andrews AFB 1.08 609 AM 9/17 AWOS
Fort Washington 1.06 815 AM 9/17 Mesonet
New Carrollton 1 W 1.03 700 AM 9/17 IFLOWS
Fort Washington 1 SS 1.03 700 AM 9/17 CoCoRaHS
Baden 3 ENE 1.02 820 AM 9/17 Mesonet
...St. Marys County...
Great Mills 4 S 1.84 700 AM 9/17 CoCoRaHS
CALIFORNIA 1.80 737 AM 9/17 Mesonet
Leonardtown 1 NE 1.66 600 AM 9/17 CoCoRaHS
HOLLYWOOD 1.55 814 AM 9/17 Mesonet
Ridge 1 N 1.50 700 AM 9/17 CoCoRaHS
Leonardtown 1.45 825 AM 9/17 Mesonet
Patuxent River NAS 1.39 752 AM 9/17 AWOS
Mechanicsville 1.35 815 AM 9/17 Mesonet
Oakley 1 NNW 1.32 820 AM 9/17 Mesonet
Bushwood 1.27 810 AM 9/17 Mesonet
Charlotte Hall 4 ENE 1.26 700 AM 9/17 CoCoRaHS
Mechanicsville 5 NE 1.26 700 AM 9/17 Co-Op Observer
Lexington Park 1.19 814 AM 9/17 Mesonet
Chaptico 1.12 824 AM 9/17 Mesonet
Mechanicsville 4 N 1.11 555 AM 9/17 CoCoRaHS
VIRGINIA
...Arlington County...
Westover 1.09 825 AM 9/17 Mesonet
Arlington 1.07 819 AM 9/17 Mesonet
...City of Alexandria...
ALEXANDRIA 1.23 817 AM 9/17 Mesonet
Alexandria 2 W 1.20 700 AM 9/17 CoCoRaHS
Alexandria 1 S 1.18 700 AM 9/17 CoCoRaHS
...City of Fairfax...
FAIRFAX 1.07 820 AM 9/17 Mesonet
...City of Falls Church...
Falls Church 1.00 800 AM 9/17 CoCoRaHS
...City of Fredericksburg...
FREDERICKSBURG 1.03 815 AM 9/17 Mesonet
...City of Manassas...
Manassas 2 N 1.02 900 AM 9/17 CoCoRaHS
...Clarke County...
Bluemont 1.67 815 AM 9/17 Mesonet
...Fairfax County...
Oakton 1.31 813 AM 9/17 Mesonet
Hybla Valley 1.25 824 AM 9/17 Mesonet
Vienna 1.22 818 AM 9/17 Mesonet
Oakton 2 SW 1.20 830 AM 9/17 CoCoRaHS
MCLEAN 1.18 819 AM 9/17 Mesonet
Vienna 3 N 1.17 800 AM 9/17 CoCoRaHS
ALEXANDRIA 1.17 815 AM 9/17 Mesonet
Burke 1 NNE 1.15 700 AM 9/17 CoCoRaHS
Vienna 1 S 1.13 700 AM 9/17 CoCoRaHS
Alexandria 7 WNW 1.12 705 AM 9/17 CoCoRaHS
Falls Church 1.10 823 AM 9/17 Mesonet
Great Falls 1.10 815 AM 9/17 Mesonet
Falls Church 1 WNW 1.10 824 AM 9/17 Mesonet
Springfield 2 SW 1.08 845 AM 9/17 CoCoRaHS
Springfield 1.08 818 AM 9/17 Mesonet
Fairfax 3 SSE 1.08 700 AM 9/17 CoCoRaHS
RESTON 1.07 820 AM 9/17 Mesonet
Falls Church 1 NNW 1.04 700 AM 9/17 CoCoRaHS
Alexandria 3 S 1.03 800 AM 9/17 CoCoRaHS
Falls Church 2 W 1.01 700 AM 9/17 CoCoRaHS
Alexandria 6 SSW 1.01 700 AM 9/17 CoCoRaHS
Springfield NW 1.01 700 AM 9/17 CoCoRaHS
Centreville 1.01 815 AM 9/17 Mesonet
Oakton E 1.00 800 AM 9/17 CoCoRaHS
...Fauquier County...
Delaplane 1.39 815 AM 9/17 Mesonet
Warrenton 2 WNW 1.13 900 AM 9/17 CoCoRaHS
HUME 1.09 820 AM 9/17 Mesonet
Marshall 1.02 815 AM 9/17 Mesonet
Garrisonville 1.01 817 AM 9/17 Mesonet
...King George County...
King George 1.28 825 AM 9/17 Mesonet
...Loudoun County...
PHILOMONT 2.40 815 AM 9/17 Mesonet
Round Hill 1 SE 2.27 820 AM 9/17 Mesonet
Purcellville 1 SE 2.08 820 AM 9/17 Mesonet
Purcellville 1.93 800 AM 9/17 Mesonet
Middleburg 1.85 815 AM 9/17 Mesonet
Leesburg 4 N 1.83 750 AM 9/17 Mesonet
Hughesville 2 N 1.80 820 AM 9/17 Mesonet
Lucketts 1.56 823 AM 9/17 Mesonet
Lovettsville 1.53 818 AM 9/17 Mesonet
Lovettsville 1 S 1.50 750 AM 9/17 Mesonet
Philomont 1.38 820 AM 9/17 Mesonet
Leesburg 4 W 1.34 800 AM 9/17 CoCoRaHS
Leesburg 2 NNE 1.30 603 AM 9/17 CoCoRaHS
Ashburn N 1.20 700 AM 9/17 CoCoRaHS
Leesburg 1.18 815 AM 9/17 Mesonet
Potomac Falls 1.15 820 AM 9/17 Mesonet
ASHBURN 1.13 820 AM 9/17 Mesonet
...Nelson County...
Sherando 4 S 1.02 824 AM 9/17 Mesonet
...Page County...
NPS Headquarters 1.08 746 AM 9/17 Mesonet
Luray 1.00 810 AM 9/17 Mesonet
...Prince William County...
Bull Run Mountain 1.32 815 AM 9/17 Mesonet
Sudley 1.18 815 AM 9/17 Mesonet
Haymarket 1.11 813 AM 9/17 Mesonet
Woodbridge 1.10 816 AM 9/17 Mesonet
Haymarket 6 N 1.08 700 AM 9/17 CoCoRaHS
Independent Hill 1 N 1.02 824 AM 9/17 Mesonet
Gainesville 1.01 815 AM 9/17 Mesonet
Bristow 1.01 819 AM 9/17 Mesonet
...Spotsylvania County...
Chesapeake 1.39 815 AM 9/17 Mesonet
Fredericksburg 8 SSW 1.25 700 AM 9/17 CoCoRaHS
Spotsylvania Courtho 1.24 830 AM 9/17 CoCoRaHS
Fredericksburg 3 SW 1.06 700 AM 9/17 CoCoRaHS
...Stafford County...
Stafford Regnl 1.89 815 AM 9/17 AWOS
STAFFORD 1.34 815 AM 9/17 Mesonet
Falmouth 1.20 815 AM 9/17 Mesonet
Stafford 6 WNW 1.12 700 AM 9/17 CoCoRaHS
Fredericksburg 8 ESE 1.04 700 AM 9/17 CoCoRaHS
...Warren County...
White Post 1.91 815 AM 9/17 Mesonet
Front Royal 1.19 600 AM 9/17 Co-Op Observer
Front Royal Airport 1.16 815 AM 9/17 AWOS
WEST VIRGINIA
...Jefferson County...
Harpers Ferry 13 SSW 1.00 700 AM 9/17 CoCoRaHS
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