Severe

Significant threat to life or property

Ohio Freeze Watch | Effective 04/18/2026 12:51

Public safety alert, emergency alert, and weather alert Description: * WHAT...Sub-freezing temperatures as low as 30 possible. * WHERE...Delaware, Fairfield, Licking, Madison, Union, Champaign, Clark, Hardin, and Logan Counties. * WHEN...From late Sunday night through Monday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Instruction: Be prepared to take steps to protect tender plants from the cold.

Missouri Flood Warning | Effective 04/18/2026 12:59

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 Missouri... Petite Saline Creek near Boonville affecting Cooper County. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Petite Saline Creek near Boonville. * WHEN...Until tomorrow evening. * IMPACTS...At 16.0 feet, Low lying woodlands and fields near the creek flood.

Colorado Freeze Watch | Effective 04/18/2026 12:15

Public safety alert, emergency alert, and weather alert Description: * WHAT...For the Freeze Warning, sub-freezing temperatures in the low to mid 20s. For the Freeze Watch, sub-freezing temperatures possible. * WHERE...Central Yampa River Basin and Central Colorado River Basin. * WHEN...For the Freeze Warning, from 10 PM this evening to 9 AM MDT Sunday. For the Freeze Watch, from Sunday evening through Monday morning. * IMPACTS...Frost and freeze conditions could kill crops, other

Illinois Flood Warning | Effective 04/18/2026 12:20

Public safety alert, emergency alert, and weather alert Description: * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of northeast Illinois, including the following counties, Lake IL and McHenry. * WHEN...Until 100 PM CDT Saturday Apr 25. * IMPACTS...Numerous roads, yards, structures, and park land are expected to flood along the Fox River Chain of Lakes. * ADDITIONAL DETAILS... - At 145 PM CDT, River gauges along the Fox River Chain of

Illinois Flood Watch | Effective 04/18/2026 11:45

Public safety alert, emergency alert, and weather alert Description: ...The National Weather Service in Chicago IL has issued a Flood Watch for the following rivers in Illinois... Rock River at Dixon affecting Lee and Ogle Counties. For the Rock River...including Dixon...flooding is possible. * WHAT...Flooding is possible. * WHERE...Rock River from Castle Rock State Park near Oregon downstream to Lee County line, including the Dixon gauge. * WHEN...From late Sunday night until further notice.

Illinois Freeze Watch | Effective 04/18/2026 11:48

Public safety alert, emergency alert, and weather alert Description: * WHAT...For the Frost Advisory, temperatures as low as 34 will result in frost formation. For the Freeze Watch, sub-freezing temperatures as low as 30 possible. * WHERE...Portions of central, east central, and west central Illinois. * WHEN...For the Frost Advisory, from 1 AM to 8 AM CDT Sunday. For the Freeze Watch, from late Sunday night through Monday morning. * IMPACTS...Frost and freeze conditions could kill crops, other

Indiana, Ohio Freeze Watch | Effective 04/18/2026 11:54

Public safety alert, emergency alert, and weather alert Description: * WHAT...Sub-freezing temperatures as low as 30 possible. * WHERE...Portions of east central Indiana and central and west central Ohio. * WHEN...From late Sunday night through Monday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Instruction: Be prepared to take steps to protect tender plants from the cold.

Oklahoma Flood Warning | Effective 04/18/2026 11:58

Public safety alert, emergency alert, and weather alert Description: ...The Flood Warning continues for the following rivers in Oklahoma... Neosho River near Commerce affecting Ottawa County. ...The Flood Warning is cancelled for the following rivers in Oklahoma... Spring River near Quapaw affecting Ottawa County. * WHAT...Moderate flooding is forecast. * WHERE...Neosho River near Commerce. * WHEN...Until early Tuesday afternoon. * IMPACTS...At 18.0 feet, moderate agricultural flooding occurs with

Illinois, Indiana Freeze Watch | Effective 04/18/2026 11:29

Public safety alert, emergency alert, and weather alert Description: * WHAT...For the Frost Advisory, temperatures as low as 33 will result in frost formation. For the Freeze Watch, sub-freezing temperatures as low as 28 possible. * WHERE...Portions of central, east central, north central, and northeast Illinois and northwest Indiana. * WHEN...For the Frost Advisory, from midnight CDT /1 AM EDT/ tonight to 9 AM CDT /10 AM EDT/ Sunday. For the Freeze Watch, from late Sunday night through Monday morning.

Illinois Freeze Watch | Effective 04/18/2026 11:29

Public safety alert, emergency alert, and weather alert Description: * WHAT...Sub-freezing temperatures as low as 30 possible. * WHERE...Northern Cook and Southern Cook Counties. * WHEN...From late Sunday night through Monday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Instruction: Take steps now to protect tender plants from the cold.
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