Event Summary: April 20, 2025 Multiple Tornado Event

Tornadoes

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Radar

West Central Illinois Radar Loop:  7 P.M. - 8:15 P.M. CDT		Northwest Illinois Radar Loop:  8:15 P.M. - 9:55 P.M. CDT

IEM - Event Radar Loop

Storm Reports

SPC Severe Weather Event Review for Sunday April 20, 2025

Preliminary Local Storm Report...Summary
National Weather Service Quad Cities IA IL
727 PM CDT Wed Apr 23 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0710 PM     Tstm Wnd Dmg     1 SSE Beaverdale        40.83N 91.21W
04/20/2025                   Des Moines         IA   NWS Storm Survey

            Snapped power poles and a storage facility
            destroyed. Peak winds 80 to 90 MPH.

0713 PM     Tstm Wnd Dmg     1 N Bowen               40.24N 91.06W
04/20/2025                   Hancock            IL   Emergency Mngr

            Updates previous LSR. One outbuilding
            heavily damaged and one destroyed. Time of
            the event estimated using radar.

0714 PM     Tstm Wnd Gst     1 SE Beaverdale         40.84N 91.21W
04/20/2025  M60 MPH          Des Moines         IA   Trained Spotter

            Estimated wind speeds of 55 to 60 MPH.

0717 PM     Tstm Wnd Gst     Burlington Regional Air 40.79N 91.13W
04/20/2025  M61 MPH          Des Moines         IA   Public

            Measured a 53 knot gust. Also occurred at
            714 PM CDT.

0731 PM     Flash Flood      3 W Cedar Rapids        41.97N 91.73W
04/20/2025                   Linn               IA   Public

            Report from mPING: Street/road flooding;
            Street/road closed; Vehicles stranded.

0736 PM     Tstm Wnd Dmg     4 E Fandon              40.38N 90.70W
04/20/2025                   McDonough          IL   Public

            70 MPH measured wind gust and small branches
            1 inch in diameter broken. Time estimated by
            radar.

0737 PM     Tornado          2 S Blandinsville       40.52N 90.88W
04/20/2025                   McDonough          IL   NWS Storm Survey

            An EF1 tornado started just south of
            Blandinsville and tracked to NE along a 7
            mile path. Tree damage was noted at numerous
            locations with large branches and some trees
            snapped. Power poles in two locations were
            snapped, resulting in an estimated max wind
            speed of 100 MPH.

0745 PM     Tstm Wnd Dmg     Macomb                  40.47N 90.68W
04/20/2025                   McDonough          IL   Emergency Mngr

            Apartment roof heavily damaged. In
            coordination with Emergency Management and
            reviewing photos of the damage and areas
            around it, this was determined to be from
            straight-line winds. Time estimated using
            radar.

0745 PM     Tornado          2 N New Boston          41.20N 91.00W
04/20/2025                   Mercer             IL   NWS Storm Survey

            EF0...Peak Winds 85 MPH...Path Length 0.8
            miles...Path Width 25 yards.

0746 PM     Tstm Wnd Dmg     1 N Macomb              40.47N 90.68W
04/20/2025                   McDonough          IL   Trained Spotter

            Large tree blown down over roof of house
            with siding damage.

0747 PM     Tornado          1 NNE Sciota            40.57N 90.74W
04/20/2025                   McDonough          IL   NWS Storm Survey

            An EF1 tornado occurred just to the NE of
            Sciota. Tree damage was found at the
            beginning of the 3 mile track. The tornado
            then strengthened and snapped power poles
            and eventually destroyed a farm outbuilding,
            with an max estimated speed of 100 MPH.

0750 PM     Tstm Wnd Dmg     3 SE Macomb             40.44N 90.65W
04/20/2025                   McDonough          IL   Trained Spotter

            Several shingles lost from roof of house.
            Time estimated by radar.

0752 PM     Flash Flood      2 SSE Hiawatha          42.02N 91.67W
04/20/2025                   Linn               IA   Trained Spotter

            Report of creek flowing out of its banks
            along Center Point Road and I-380. Photos
            were also submitted showing the flooded
            creek. Total rainfall of 2 to 3 inches was
            reported around Cedar Rapids.

0757 PM     Tornado          Swan Creek              40.67N 90.65W
04/20/2025                   Warren             IL   NWS Storm Survey

            Multiple deputies reported seeing a tornado
            from near Greenbush looking back southwest.
            Linking that with the garage damage by Swan
            Creek would make for a short-lived tornado
            which lines up with radar. No other damage
            reported by Warren County EMA Director. EF0
            with 70 MPH max winds.

0800 PM     Rain             3 W Cedar Rapids        41.97N 91.73W
04/20/2025  M2.40 Inch       Linn               IA   Trained Spotter



0812 PM     Rain             1 WSW Mt Hamill         40.74N 91.64W
04/20/2025  M1.55 Inch       Lee                IA   Trained Spotter

            Storm total rainfall.

0816 PM     Flash Flood      1 NW Marion             42.05N 91.60W
04/20/2025                   Linn               IA   Public

            Report from mPING: Street/road flooding;
            Street/road closed; Vehicles stranded.

0827 PM     Flash Flood      2 S Hiawatha            42.02N 91.69W
04/20/2025                   Linn               IA   Public

            Report from mPING: Street/road flooding;
            Street/road closed; Vehicles stranded.

0830 PM     Tstm Wnd Dmg     1 N Credit Island       41.52N 90.61W
04/20/2025                   Scott              IA   911 Call Center

            911 dispatch relayed a report of a tree that
            fell on a parked vehicle. Time estimated by
            radar.

0834 PM     Tstm Wnd Dmg     2 NW Sherrard           41.34N 90.54W
04/20/2025                   Rock Island        IL   NWS Storm Survey

            Barn partially damaged and some branches
            down. Isolated to this one property. Time
            estimated using radar.

0836 PM     Tstm Wnd Dmg     2 N New Windsor         41.24N 90.44W
04/20/2025                   Henry              IL   Trained Spotter

            Spotter has an anemometer reading of 65 MPH
            with a 4 inch tree limb down.

0841 PM     Flash Flood      2 W Marion              42.02N 91.62W
04/20/2025                   Linn               IA   Public

            Report from mPING: Street/road flooding;
            Street/road closed; Vehicles stranded.

0845 PM     Rain             Cantril                 40.64N 92.07W
04/20/2025  M1.89 Inch       Van Buren          IA   Trained Spotter



0847 PM     Rain             3 ENE Charlie Heath Mem 40.59N 91.84W
04/20/2025  M2.10 Inch       Clark              MO   Trained Spotter

            Rainfall total.

0850 PM     Tstm Wnd Dmg     Galva                   41.16N 90.03W
04/20/2025                   Henry              IL   Emergency Mngr

            Pine tree top blown off. Time estimated from
            radar data.

0854 PM     Tstm Wnd Dmg     1 SSW Le Claire         41.59N 90.37W
04/20/2025                   Scott              IA   NWS Storm Survey

            Corrects previous tstm wnd dmg report from 1
            SSW Le Claire. Tree uprooted at this
            location.

0857 PM     Tornado          4 W Kewanee             41.24N 89.99W
04/20/2025                   Henry              IL   NWS Storm Survey

            Brief tornado caused damage to a door on an
            outbuilding. The tornado then caused branch
            damage before ending shortly. EF0 with 80
            MPH max winds.

0858 PM     Tornado          4 SSE Osborn            41.46N 90.24W
04/20/2025                   Henry              IL   NWS Storm Survey

            A brief tornado caused damage to trees. EF0
            with 80 MPH max winds.

0858 PM     Tornado          4 E Morristown          41.41N 90.23W
04/20/2025                   Henry              IL   NWS Storm Survey

            A tornadic debris signature was seen on the
            KDVN Doppler Radar up to 2,900 ft. Corn
            stubble and leaves were found along the
            beginning of the path. As the tornado
            approached the Hennepin Canal, tree damage
            was found with snapped hardwood trees and
            other branches. Additional branches were
            found just southwest of Shady Beach.

0858 PM     Tornado          1 SSW German Corner     41.29N 90.04W
04/20/2025                   Henry              IL   NWS Storm Survey

            An EF1 tornado formed to the NE of Kewanee
            and tracked to the north and ended just
            south of Atkinson. Trees along the 7 mile
            path were snapped at the trunk. Some
            branches were downed as well. At the end of
            the path a structure was destroyed by max
            winds estimated to be 95 MPH.

0907 PM     Rain             1 NE Marion             42.04N 91.58W
04/20/2025  M2.32 Inch       Linn               IA   Trained Spotter

            Total rainfall since 9 AM this morning.

0909 PM     Tstm Wnd Dmg     4 SSE Osborn            41.47N 90.23W
04/20/2025                   Henry              IL   Trained Spotter

            Trees down over train tracks. Probable
            tornado damage.

0912 PM     Tstm Wnd Dmg     3 SSE Milo              41.16N 89.56W
04/20/2025                   Bureau             IL   Trained Spotter

            6 inch diameter tree branches down. Time
            estimated from radar data.

0915 PM     Tstm Wnd Dmg     Cordova                 41.68N 90.31W
04/20/2025                   Rock Island        IL   Public

            Multiple trees downed at cemetery. Time
            estimated using radar.

0916 PM     Rain             Belle Plaine            41.90N 92.28W
04/20/2025  M1.50 Inch       Benton             IA   Trained Spotter



0916 PM     Rain             Shellsburg              42.09N 91.87W
04/20/2025  M1.50 Inch       Benton             IA   Public

            Storm total rainfall.

0926 PM     Tornado          2 E Yorktown            41.57N 89.81W
04/20/2025                   Bureau             IL   NWS Storm Survey

            Corrects previous tornado report from 2 E
            Yorktown. One power pole was snapped at the
            beginning of the path. Three other power
            poles were replaced as well. This tornado
            then tracked north and led to tree damage
            just across county border into Whiteside
            County. EF1 tornado with max winds of 100
            MPH.

1011 PM     Rain             2 NW Marion             42.06N 91.61W
04/20/2025  M2.17 Inch       Linn               IA   Trained Spotter



1015 PM     Rain             2 NW Cedar Rapids       41.99N 91.70W
04/20/2025  M2.70 Inch       Linn               IA   Trained Spotter



1035 PM     Rain             5 W South Gorin         40.38N 92.11W
04/20/2025  M1.95 Inch       Scotland           MO   Trained Spotter

Rain Reports

Isolated flash flooding occurred in the Cedar Rapids metro. Officially, Cedar Rapids logged 2.34" of rain, making it the wettest calendar day in Cedar Rapids in nearly three years (2.99" on June 25, 2022).

24 hour precipitation reports (in Inches), for eastern Iowa, northwest and west central Illinois, and northeast Missouri. Reported between Midnight and 9 AM, Monday April 21, 2025.
....IOWA.... Cedar Rapids 2.1 NW 2.77 Manchester 2.61 Marion 1.7 NNW 2.40 Robins 0.8 SE 2.38 Cedar Rapids Arpt 2.34 Cedar Rapids 5.8 N 2.33 Fairfield 5.7 NNE 2.32 Marion 0.4 NNW 2.29 Fairfield 2.27 Marion 0.9 NE 2.24 Cedar Rapids 2.7 NE 2.21 Wellman 4.0 E 2.10 Elkader 6SSW 2.00 Ely 2.0 N 1.98 Ely 0.5 SE 1.97 Strawberry Point 1.97 Ainsworth 7.4 N 1.96 Independence 0.6 ESE 1.96 Keokuk LD19 1.95 Farmington 3.5 W 1.94 Farmington 2.4 W 1.93 Farmington 0.3 NW 1.92 Farmington 0.4 NNW 1.91 Donnellson 1.91 Marshalltown 1.90 Independence 0.9 WNW 1.89 Solon 0.4 WNW 1.86 Waterloo ASOS 1.83 Hopkinton 5.4 WSW 1.82 North Liberty 0.7 SSW 1.78 Coralville 1.4 S 1.76 Mt Pleasant 1.76 Coralville 1.3 SE 1.75 Iowa City 1.75 Iowa City 2.0 WSW 1.74 Iowa City 3.7 E 1.71 Iowa City 2.7 E 1.71 Guttenberg Dam 10 1.71 Salem 3.1 ESE 1.70 Mount Auburn 2.2 NNW 1.70 Fayette 1.70 Washington 1.70 Iowa City 2.3 E 1.68 Marengo 2.6 SSW 1.68 Salem 1S 1.68 Hillsboro 5.8 SE 1.67 Sigourney 1.67 Iowa City 2.8 WSW 1.66 Van Horne 2.1 NNW 1.65 Dundee 1.4 NNE 1.64 Stanley 1.63 Belle Plaine 1.63 Solon 0.3 ESE 1.62 Williamsburg 1.62 Parnell 0.1 SSW 1.60 Center Point 0.5 N 1.60 Hampton 1.60 Iowa City Arpt 1.59 Iowa City 1.4 NNE 1.56 Fairfax 4.0 NW 1.56 Marshalltown ASOS 1.55 Danville 2.9 W 1.54 Shellsburg 2.9 S 1.53 Burlington 6.5 SSW 1.51 Mount Pleasant 3.1 WNW 1.49 Nichols 2.5 NNW 1.49 Hayesville 0.2 SW 1.45 Anamosa 3 SSW 1.43 Burlington 0.8 SSE 1.40 Burlington Arpt 1.37 Monticello 1.36 Yarmouth 1.9 SW 1.35 Wapello 5.4 SE 1.34 Grinnell 1.34 West Branch 2.0 NNW 1.32 Mason City 1.30 West Branch 2.3 SSW 1.25 Oskaloosa 1.24 Bettendorf 1.2 WNW 1.23 Tipton 0.7 N 1.22 Muscatine 1.4 N 1.20 Ames US 30 1.20 Muscatine 1.7 N 1.19 Tipton 6.9 SSW 1.19 Grinnell AWOS 1.19 Bloomfield 1.18 Fort Madison 4.5 NNW 1.17 Muscatine 2N 1.16 Lowden 1.11 Davenport 0.9 WNW 1.07 Calamus 2.0 NE 1.07 Keokuk 3.4 NW 1.06 Tipton 0.3 ESE 1.06 Holy Cross 1.8 E 1.05 Pella AWOS 1.05 Riverdale 0.5 N 1.04 Clarence 3.9 S 1.04 Pella 1.04 NWS Johnston* 1.03 Mason City ASOS 1.00 Center Junction 2.6 W 0.98 Boone 0.98 Bettendorf 2.4 ENE 0.97 Bellevue 12.2 NW 0.93 Davenport 4.3 NE 0.92 Ottumwa ASOS 0.92 Oskaloosa AWOS 0.90 Peosta 2.9 E 0.87 Perry 0.81 Park View 0.2 WSW 0.80 Oelwein 1E 0.79 Dubuque #3 0.79 Dubuque Arpt 0.79 Clinton 1.7 NNW 0.78 Camanche 1.2 W 0.76 Dubuque 1.0 SE 0.74 Eldridge 0.7 SSW 0.73 Dubuque LD11 0.73 Charlotte 1.9 WNW 0.72 Dubuque 1.4 WNW 0.72 De Witt 0.70 Eldridge 0.6 S 0.67 Davenport Arpt 0.67 De Witt 5.4 ENE 0.60 Bellevue LD12 0.50 Oelwein AWOS 0.00    ....ILLINOIS.... Peoria Arpt 1.28 La Harpe 1.23 Gladstone LD18 1.20 Bentley 1.14 Aledo 1.11 Stronghurst 0.4 SSW 1.07 Illinois City 6.7 SW 1.05 Taylor Ridge 1.1 N 1.03 Quincy Arpt 1.03 New Boston LD17 1.00 Ill. City LD16 1.00 Galva 2.7 NE 0.96 Moline 0.7 NNE 0.95 Quad City Arpt 0.90 Colona 0.5 ESE 0.85 McNabb 1.4 NW 0.83 Woodhull 0.3 ESE 0.83 Alpha 2.3 N 0.82 New Windsor 2.0 N 0.80 Monmouth 0.4 SE 0.78 Macomb 3.8 NW 0.75 Ottawa 0.75 Colchester 3.5 NE 0.73 Galena 0.8 WSW 0.72 East Dubuque 1.7 SE 0.71 Jacksonville Arpt 0.71 Geneseo 2.0 NW 0.69 Mendota 0.68 Bloomington Airport 0.67 Fulton LD13 0.64 Decatur Airport 0.61 Romeoville 0.60 Rock Falls 3.1 S 0.58 Prophetstown 0.2 SW 0.50 Mount Carroll 6.8 NNW 0.48 Joliet Arpt 0.39 Sterling 5.9 NNE 0.38 Steward 0.38 Elizabeth 0.35 Rochelle Arpt 0.34 Stockton 5.9 WNW 0.31 Hanover 0.2 NW 0.31 Lanark 4.2 NNW 0.29 Stockton 3.4 NNE 0.25 Lena 0.3 SSE 0.24 Stockton 4.5 N 0.23 Lanark 0.3 SSW 0.22 Stockton 4.6 NW 0.22 Morrison 3.2 E 0.18 Freeport 4.3 W 0.15 Freeport 2.9 WSW 0.14 Freeport 0.14 St Anne 0.13 Davis 0.5 N 0.11 Shannon 2.7 E 0.10 ....MISSOURI.... Memphis 0.1 S 1.36 Columbia Arpt 1.18 ....WISCONSIN.... La Crosse WFO 1.93 Viroqua 1.58 Prairie du Chien AWOS 1.43 Steuben 4SE 1.11 Darlington 0.35 Beloit-College 0.30 Watertown-Arpt 0.25 Madison Arpt 0.23 Whitewater 0.21 Brodhead 0.12 ....MINNESOTA.... Grand Meadow 1.80 Theilman 1SSW 1.42

Environment
 

Storm Prediction Center Outlooks

SPC Day 1 2000z Outlook	Tornado Risk Probabilities	Severe Wind Risk Probabilities	Severe Hail Risk Probabilities

Watches and Mesoscale Discussions

Tornado Watch #155	Mesoscale Discussion #502	Mesoscale Discussion #506

Davenport, IA Soundings

04/20/2025 - 7:00 am		04/20/2025 - 7:00 pm

Synoptic Environment

500 mb Chart at 5pm	700 mb Chart at 5pm	850 mb Chart at 5pm	Surface Chart at 5pm

Mesoscale Environment

0-6 km Wind Shear Favorable for Organized Convection	0-3 km Wind Shear Favorable for Mesovortex Development	Most Unstable CAPE Instability	Precipitable Water Favorable for Heavy Rain