Severe

Significant threat to life or property

Illinois Flood Warning | Effective 04/18/2026 18:43

Public safety alert, emergency alert, and weather alert Description: ...The Flood Warning continues for the following rivers in Illinois... Illinois River at La Salle affecting La Salle, Putnam and Bureau Counties. * WHAT...Minor flooding is occurring and forecasted to continue. * WHERE...Illinois River from Starved Rock Lock and Dam downstream to confluence with Big Bureau Creek, including the La Salle gauge. * WHEN...Until further notice. * IMPACTS...At 22.0 feet, Lower parking lot at Starved Rock State

Illinois Flood Warning | Effective 04/18/2026 18:44

Public safety alert, emergency alert, and weather alert Description: ...The Flood Warning continues for the following rivers in Illinois... Illinois River at Beardstown affecting Morgan, Cass, Schuyler and Brown Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Beardstown. * WHEN...Until further notice.

Illinois Flood Warning | Effective 04/18/2026 18:45

Public safety alert, emergency alert, and weather alert Description: ...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Cass, Mason and Fulton Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River near Havana. * WHEN...Until further notice. * ADDITIONAL DETAILS...

Illinois Flood Warning | Effective 04/18/2026 17:59

Public safety alert, emergency alert, and weather alert Description: ...Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Illinois... Pecatonica River near Shirland affecting Winnebago County. * WHAT...Minor flooding is occurring and moderate flooding is forecasted to occur. * WHERE...Pecatonica River from Winnebago County line downstream to confluence with the Rock River, including the Shirland gauge. * WHEN...Until further notice.

Illinois Flood Warning | Effective 04/18/2026 18:01

Public safety alert, emergency alert, and weather alert Description: ...The Flood Warning continues for the following rivers in Illinois... Pecatonica River at Freeport affecting Stephenson County. Rock River at Como affecting Whiteside County. Rock River at Moline affecting Rock Island and Henry IL Counties. Rock River near Joslin affecting Whiteside, Rock Island and Henry IL Counties. * WHAT...Minor flooding is occurring and major flooding is forecast. * WHERE...Rock River at Moline. * WHEN...Until further notice.

Illinois Flood Warning | Effective 04/18/2026 18:01

Public safety alert, emergency alert, and weather alert Description: ...The Flood Warning continues for the following rivers in Illinois... Pecatonica River at Freeport affecting Stephenson County. Rock River at Como affecting Whiteside County. Rock River at Moline affecting Rock Island and Henry IL Counties. Rock River near Joslin affecting Whiteside, Rock Island and Henry IL Counties. * WHAT...Moderate flooding is occurring and major flooding is forecast. * WHERE...Rock River near Joslin. * WHEN...Until further notice.

Illinois Flood Warning | Effective 04/18/2026 18:01

Public safety alert, emergency alert, and weather alert Description: ...The Flood Warning continues for the following rivers in Illinois... Pecatonica River at Freeport affecting Stephenson County. Rock River at Como affecting Whiteside County. Rock River at Moline affecting Rock Island and Henry IL Counties. Rock River near Joslin affecting Whiteside, Rock Island and Henry IL Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pecatonica River at Freeport. * WHEN...Until early Wednesday morning.

Illinois Flood Warning | Effective 04/18/2026 18:01

Public safety alert, emergency alert, and weather alert Description: ...The Flood Warning continues for the following rivers in Illinois... Pecatonica River at Freeport affecting Stephenson County. Rock River at Como affecting Whiteside County. Rock River at Moline affecting Rock Island and Henry IL Counties. Rock River near Joslin affecting Whiteside, Rock Island and Henry IL Counties. * WHAT...Minor flooding is forecast. * WHERE...Rock River at Como. * WHEN...Until Saturday, April 25.

Texas Severe Thunderstorm Warning | Effective 04/18/2026 18:02

Public safety alert, emergency alert, and weather alert Description: SVREWX The National Weather Service in Austin San Antonio has issued a * Severe Thunderstorm Warning for... Central Williamson County in south central Texas... * Until 900 PM CDT. * At 802 PM CDT, a severe thunderstorm was located near Round Rock, moving northeast at 40 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Round Rock, Georgetown, Taylor, Granger, Hutto, Weir, and Jonah.

New Jersey, Pennsylvania Freeze Watch | Effective 04/18/2026 18:05

Public safety alert, emergency alert, and weather alert Description: * WHAT...Sub-freezing temperatures with lows as cold as the mid-20s. * WHERE...Portions of central, northern, northwest, and southern New Jersey and east central, northeast, and southeast Pennsylvania. * WHEN...From late Monday night through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops and other sensitive vegetation. Instruction: A Freeze Watch means sub-freezing temperatures are possible. These
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