Severe

Significant threat to life or property

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

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...Forecast flooding changed from Minor to Moderate severity and<br /> 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<br /> forecasted to occur. * WHERE...Pecatonica River from Winnebago County line downstream to<br /> 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<br /> Description:<br /> ...The Flood Warning continues for the following rivers in<br /> 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<br /> 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<br /> Description:<br /> ...The Flood Warning continues for the following rivers in<br /> 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<br /> IL Counties. * WHAT...Moderate flooding is occurring and major flooding is<br /> 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<br /> Description:<br /> ...The Flood Warning continues for the following rivers in<br /> 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<br /> 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<br /> Description:<br /> ...The Flood Warning continues for the following rivers in<br /> 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<br /> 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<br /> Description:<br /> SVREWX The National Weather Service in Austin San Antonio has issued a * Severe Thunderstorm Warning for...<br /> Central Williamson County in south central Texas... * Until 900 PM CDT. * At 802 PM CDT, a severe thunderstorm was located near Round Rock,<br /> moving northeast at 40 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include...<br /> 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<br /> Description:<br /> * WHAT...Sub-freezing temperatures with lows as cold as the mid-20s. * WHERE...Portions of central, northern, northwest, and southern New<br /> 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<br /> sensitive vegetation. Instruction:<br /> A Freeze Watch means sub-freezing temperatures are possible. These<br />

Michigan Flash Flood Watch | Effective 04/18/2026 18:06

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Potential Flash Flooding caused by high flows from the<br /> Bellaire Dam. * WHERE...Bellaire, Michigan in Antrim County downstream of the<br /> Bellaire Dam. * WHEN...Through Sunday morning. * IMPACTS...Increased flows from the Bellaire Dam may result in<br /> flash flooding of low-lying areas below the dam. Flooding may<br /> occur in poor drainage and urban areas. * ADDITIONAL DETAILS...<br /> - http://www.weather.gov/safety/flood Instruction:<br />

Iowa Flood Warning | Effective 04/18/2026 18:06

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning continues for the following rivers in Iowa... Cedar River near Conesville affecting Muscatine and Louisa<br /> Counties. Iowa River at Oakville affecting Louisa County. Iowa River at Marengo affecting Benton and Iowa Counties. ...The Flood Warning is cancelled for the following rivers in Iowa... Iowa River at Wapello affecting Louisa County. * WHAT...Minor flooding is forecast. * WHERE...Iowa River at Oakville. * WHEN...Until late tomorrow morning.

Iowa Flood Warning | Effective 04/18/2026 18:06

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning continues for the following rivers in Iowa... Cedar River near Conesville affecting Muscatine and Louisa<br /> Counties. Iowa River at Oakville affecting Louisa County. Iowa River at Marengo affecting Benton and Iowa Counties. ...The Flood Warning is cancelled for the following rivers in Iowa... Iowa River at Wapello affecting Louisa County. * WHAT...Minor flooding is forecast. * WHERE...Cedar River near Conesville. * WHEN...From late Sunday night to Wednesday morning.
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