Overview
During the afternoon and early evening of April 2, 2025, numerous strong to severe thunderstorms impacted southeast and east-central Missouri as well as south-central Illinois. Large hail, damaging wind, and a few tornadoes were observed. This activity occurred on the northwest extent of a significant tornado outbreak later that evening across the Ohio River Valley. Below is a summary of the severe weather that occurred that day, along with details on the two tornado surveyed by NWS St. Louis. KLSX Base reflectivity and warnings from the afternoon and evening of April 2, 2025. |
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A home destroyed by the Greenville tornado. Photo courtesy of NWS Storm Survey team. | A home destroyed by the Potosi tornado. Photo courtesy of NWS Storm Survey team. | Trees sheared off by the Potosi tornado. Photo courtesy of NWS Storm Survey team. |
Tornadoes
Tornado - Potosi, MO
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Tornado - Greenville
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The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:
EF0 Weak 65-85 mph |
EF1 Moderate 86-110 mph |
EF2 Significant 111-135 mph |
EF3 Severe 136-165 mph |
EF4 Extreme 166-200 mph |
EF5 Catastrophic 200+ mph |
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Storm Reports
Below is a list of observed wind gusts and hail sizes from across the region. This list may not be comprehensive and is considered preliminary. Thank you for all of the reports!
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Preliminary Local Storm Report...Summary National Weather Service St Louis MO 1108 AM CDT Fri Apr 4 2025 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0432 PM Tstm Wnd Gst 1 ENE Cahokia 38.57N 90.16W 04/02/2025 M64 MPH St. Clair IL ASOS REPORTED AT CPS. 0443 PM Tstm Wnd Gst 1 NE Farmington 37.79N 90.41W 04/02/2025 M60 MPH St. Francois MO Amateur Radio 0440 PM Tstm Wnd Gst 3 WNW Belleville 38.55N 90.05W 04/02/2025 E60 MPH St. Clair IL Public 0444 PM Hail 2 N O'Fallon 38.62N 89.92W 04/02/2025 M1.75 Inch St. Clair IL Public Report from mPING: Golf Ball (1.75 in.). 0438 PM Hail 1 W Fairview Heights 38.60N 90.03W 04/02/2025 E1.25 Inch St. Clair IL Public Report from mPING: Half Dollar (1.25 in.). 0421 PM Hail 2 NE Oakville 38.47N 90.30W 04/02/2025 E1.00 Inch St. Louis MO Public Report from mPING: Quarter (1.00 in.). 0422 PM Hail 1 SE Oakville 38.43N 90.31W 04/02/2025 M1.00 Inch St. Louis MO Public Report from mPING: Quarter (1.00 in.). 0420 PM Hail 1 SW Oakville 38.44N 90.33W 04/02/2025 M0.88 Inch St. Louis MO Public 0455 PM Hail Saint Jacob 38.72N 89.77W 04/02/2025 E0.70 Inch Madison IL Trained Spotter 0355 PM Tstm Wnd Dmg 4 WNW Lesterville 37.48N 90.89W 04/02/2025 Reynolds MO Law Enforcement Trees down over Highway N at Highway 21 near Lesterville. 0313 PM Tornado 5 NNE Davisville 37.87N 91.13W 04/02/2025 Crawford MO NWS Storm Survey NWS Survey Team found that an EF-3 tornado formed in rural east-central Crawford County and track northeastward into Washington County, dissipating just east of Highway 21 north of Potosi. 0425 PM Tstm Wnd Dmg Dupo 38.51N 90.21W 04/02/2025 St. Clair IL Emergency Mngr A few powerlines down on main street in Dupo. 0416 PM Funnel Cloud 1 ENE Fountain 38.36N 90.28W 04/02/2025 Monroe IL Emergency Mngr 0600 PM Tstm Wnd Dmg Salem 38.63N 88.95W 04/02/2025 Marion IL Law Enforcement Reports of sporadic tree damage throughout the county, as well as a few downed powerlines near Salem. 0537 PM Tstm Wnd Dmg Ramsey 39.14N 89.11W 04/02/2025 Fayette IL Law Enforcement Minor roof damage to a home. 0512 PM Tstm Wnd Dmg Albers 38.54N 89.62W 04/02/2025 Clinton IL Law Enforcement Trees down. 0521 PM Tstm Wnd Dmg Bartelso 38.54N 89.47W 04/02/2025 Clinton IL Law Enforcement Trees down. 0522 PM Tstm Wnd Dmg Beckemeyer 38.61N 89.43W 04/02/2025 Clinton IL Law Enforcement Trees down. 0505 PM Tornado 1 ENE Pierron 38.79N 89.54W 04/02/2025 Bond IL NWS Storm Survey *** 1 INJ *** NWS survey team found that an EF-2 tornado formed in southwestern Bond County and generally tracked along I-70 northeastward into Fayette County.
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