Active Weather Alerts
Severe Thunderstorm Warning
Issued: 11:58 PM Apr. 27, 2026 – National Weather Service
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR NORTHERN BOND, NORTHWESTERN FAYETTE AND MONTGOMERY COUNTIES IN SOUTH CENTRAL ILLINOIS, SOUTHERN MACOUPIN AND NORTHERN MADISON COUNTIES IN SOUTHWESTERN ILLINOIS AND NORTHEASTERN SAINT CHARLES AND NORTHEASTERN SAINT LOUIS COUNTIES IN EAST CENTRAL MISSOURI... At 658 PM CDT, severe thunderstorms were located along a line from 11 miles northwest of Nokomis to over Spanish Lake, moving east at 40 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Godfrey, Brighton, Hazelwood, Gillespie, Bunker Hill, Alton, Florissant, Litchfield, East Alton, Bethalto, Black Jack, Mount Olive, Wood River, Staunton, Hillsboro, South Roxana, Nokomis and Greenville. This includes the following State Parks... Confluence State Park, Ramsey Lake State Park and Lake Lou Yaeger. This includes Interstate 55 in Illinois between exits 30 and 63. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds and large hail. Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure. A Tornado Watch remains in effect until 900 PM CDT for portions of Illinois and east central Missouri. && TORNADO...POSSIBLE; HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...1.50 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...60 MPH
Severe Thunderstorm Warning
Issued: 11:52 PM Apr. 27, 2026 – National Weather Service
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR SOUTHEASTERN FRANKLIN, NORTHWESTERN JEFFERSON, CENTRAL SAINT CHARLES AND SAINT LOUIS COUNTIES... At 652 PM CDT, a severe thunderstorm was located over Wildwood, moving northeast at 60 mph. HAZARD...Golf ball size hail and 70 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. This severe thunderstorm will be near... Wildwood, Ellisville, Eureka, Pacific, Defiance and Gray Summit around 655 PM CDT. Clarkson Valley, Chesterfield, Ballwin, Spirit of St. Louis Airport, Weldon Spring, Manchester, Winchester, Weldon Spring Heights, O'Fallon and Twin Oaks around 700 PM CDT. Town and Country, Creve Coeur, St. Peters, Westwood, Country Life Acres, Frontenac, Des Peres and Crystal Lake Park around 705 PM CDT. Other locations impacted by the severe thunderstorm include Matson. This includes the following State Parks... Babler Memorial State Park, Route 66 State Park, Castlewood State Park and Robertsville State Park. This includes the following highways... Interstate 70 in Missouri near exit 231. Interstate 44 in Missouri between exits 251 and 277. Interstate 55 in Missouri near exit 191. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm is capable of producing widespread damaging winds and dangerous hail. Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure. A Tornado Watch remains in effect until 900 PM CDT for a portion of east central Missouri. && TORNADO...POSSIBLE; THUNDERSTORM DAMAGE THREAT...CONSIDERABLE; HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...1.75 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...70 MPH
Tornado Watch
Issued: 10:51 PM Apr. 27, 2026 – National Weather Service
TORNADO WATCH 160 REMAINS VALID UNTIL 9 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 15 COUNTIES IN SOUTH CENTRAL ILLINOIS BOND CLINTON FAYETTE MARION MONTGOMERY WASHINGTON IN SOUTHWEST ILLINOIS CALHOUN GREENE JERSEY MACOUPIN MADISON MONROE RANDOLPH SAINT CLAIR IN WEST CENTRAL ILLINOIS PIKE IN MISSOURI THIS WATCH INCLUDES 20 COUNTIES IN CENTRAL MISSOURI CALLAWAY COLE OSAGE IN EAST CENTRAL MISSOURI CRAWFORD FRANKLIN GASCONADE JEFFERSON LINCOLN MONTGOMERY SAINT CHARLES SAINT LOUIS SAINT LOUIS CITY WARREN WASHINGTON IN NORTHEAST MISSOURI PIKE IN SOUTHEAST MISSOURI IRON MADISON REYNOLDS SAINT FRANCOIS SAINTE GENEVIEVE THIS INCLUDES THE CITIES OF ALTON, BELLEVILLE, BOWLING GREEN, CAHOKIA, CENTRALIA, CHESTER, EDWARDSVILLE, FARMINGTON, FULTON, JEFFERSON CITY, LITCHFIELD, PITTSFIELD, SAINT CHARLES, SAINT LOUIS, SALEM, SPARTA, SULLIVAN, UNION, VANDALIA, AND WASHINGTON.
River Flood Warning
Issued: 6:35 PM Apr. 27, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY, MAY 05... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Grafton. * WHEN...Until Tuesday, May 05. * IMPACTS...At 21.5 feet, In Portage des Sioux, MO, Le Sieur Street leading to the Marina and to Our Lady of the River Statue is flooded. * ADDITIONAL DETAILS... - At 1:00 PM CDT Monday the stage was 20.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 1:00 PM CDT Monday was 20.5 feet. - Forecast...The river is expected to rise to a crest of 21.5 feet Thursday evening. It will then fall below flood stage Sunday evening. - Flood stage is 20.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Tue Wed Thu Fri Sat Mississippi River Grafton 20.0 20.5 20.4 20.7 21.2 21.5 21.1 &&
Flood Watch
Issued: 4:18 PM Apr. 27, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT UNTIL 9 PM CDT THIS EVENING... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of Illinois, including the following areas, Bond IL, Calhoun IL, Clinton IL, Fayette IL, Greene IL, Jersey IL, Macoupin IL, Madison IL, Marion IL, Monroe IL, Montgomery IL, Saint Clair IL and Washington IL and Missouri, including the following areas, Audrain MO, Boone MO, Callaway MO, Cole MO, Franklin MO, Gasconade MO, Jefferson MO, Lincoln MO, Moniteau MO, Montgomery MO, Osage MO, Pike MO, Saint Charles MO, Saint Louis City MO, Saint Louis MO and Warren MO. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Thunderstorms producing heavy rainfall moving over the same areas will have the potential to produce flash flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
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