Severe

Significant threat to life or property

Illinois Severe Flood Warning | Effective 06/20/2026 08:55

...The Flood Warning continues for the following rivers in Illinois... Illinois River at La Salle affecting Putnam, La Salle and Bureau Counties. For the Illinois River (Upper)...including La Salle...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River from Starved Rock Lock and Dam downstream to confluence with Big Bureau Creek, including the La Salle gauge. * WHEN...Until Tuesday afternoon. * IMPACTS...At 22.0 feet, Lower parking lot at Starved Rock State

Illinois, Missouri Severe Flood Warning | Effective 06/20/2026 08:59

...The Flood Warning continues on the Mississippi River at the following locations... Mississippi River at Chester. Mississippi River at Louisiana. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Chester. * WHEN...Until Sunday evening. * IMPACTS...At 27.0 feet, Flood Stage. Unprotected farmland on right bank begins to flood. * ADDITIONAL DETAILS...

Illinois, Missouri Severe Flood Warning | Effective 06/20/2026 08:59

...The Flood Warning continues on the Mississippi River at the following locations... Mississippi River at Chester. Mississippi River at Louisiana. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Louisiana. * WHEN...Until Monday morning. * IMPACTS...At 15.0 feet, The first quarter mile of Edison Avenue beyond the railroad tracks begins flooding near this height. * ADDITIONAL DETAILS...

Mississippi Severe Flood Warning | Effective 06/20/2026 08:30

...The Flood Warning continues for the following rivers in Mississippi... Pascagoula At Merrill affecting Greene, George and Jackson Counties. For the Pascagoula River...including Merrill...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pascagoula at Merrill. * WHEN...Until further notice. * IMPACTS...At 24.0 feet, Streets of Merrill will become flooded. At 24 feet the bridge becomes inaccessible by vehicles. * ADDITIONAL DETAILS...

Illinois Severe Flood Warning | Effective 06/20/2026 08:35

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Henry affecting Putnam and Marshall Counties. Illinois River at Peoria affecting Woodford, Peoria and Tazewell Counties. Illinois River at Beardstown affecting Brown, Cass, Schuyler and Morgan Counties. Illinois River near Havana affecting Fulton, Mason and Cass Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation.

Illinois Severe Flood Warning | Effective 06/20/2026 08:35

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Henry affecting Putnam and Marshall Counties. Illinois River at Peoria affecting Woodford, Peoria and Tazewell Counties. Illinois River at Beardstown affecting Brown, Cass, Schuyler and Morgan Counties. Illinois River near Havana affecting Fulton, Mason and Cass Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation.

Illinois Severe Flood Warning | Effective 06/20/2026 08:35

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Henry affecting Putnam and Marshall Counties. Illinois River at Peoria affecting Woodford, Peoria and Tazewell Counties. Illinois River at Beardstown affecting Brown, Cass, Schuyler and Morgan Counties. Illinois River near Havana affecting Fulton, Mason and Cass Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation.

Illinois Severe Flood Warning | Effective 06/20/2026 08:35

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Henry affecting Putnam and Marshall Counties. Illinois River at Peoria affecting Woodford, Peoria and Tazewell Counties. Illinois River at Beardstown affecting Brown, Cass, Schuyler and Morgan Counties. Illinois River near Havana affecting Fulton, Mason and Cass Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation.

Nebraska Severe Severe Thunderstorm Warning | Effective 06/20/2026 08:36

At 1035 AM CDT, a severe thunderstorm was located over Mason City, or 20 miles southeast of Broken Bow, moving southeast at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Ansley, Mason City, Berwyn, Westerville, Buckeye, Block Hill Basin, Burr Oak, Gavin Siding, Intersection of Highway 183 and Cumro Road, and Cumro. This includes the following highways...

Idaho Severe Red Flag Warning | Effective 06/20/2026 08:38

...RED FLAG WARNING FOR LIGHTNING... .An upper trough will continue to develop scattered thunderstorms in southeast Oregon and southwest Idaho today, especially this afternoon. Expect 30 to 50 percent areal coverage of thunderstorms with potential for new fire starts due to lightning. * AFFECTED AREA...In Idaho, Fire Weather Zones 423 Owyhee Mountains and 426 Southern Highlands. * TIMING...Until 6 PM MDT this evening. * THUNDERSTORMS...Scattered coverage with abundant lightning. * OUTFLOW WINDS...Gusty erratic winds up to 40 mph.
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