Expected

Responsive action SHOULD be taken soon (within next hour)

Guam, Northern Mariana Islands Rip Current Statement | Effective 04/18/2026 10:58

Public safety alert, emergency alert, and weather alert Description: * WHAT...Large breaking waves of 9 to 14 feet and dangerous rip currents. * WHERE...South, west and north facing reefs of Guam and Rota. * WHEN...Until 5 AM ChST Monday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...As Tropical Storm Sinlaku continues to move

Colorado Freeze Warning | Effective 04/18/2026 10:23

Public safety alert, emergency alert, and weather alert Description: * WHAT...Sub-freezing temperatures in the mid to upper 20s late tonight into Sunday morning. * WHERE...All of the southeast Colorado Plains. * WHEN...From 11 PM this evening to 8 AM MDT Sunday. * IMPACTS...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.

North Carolina, Virginia Wind Advisory | Effective 04/18/2026 10:26

Public safety alert, emergency alert, and weather alert Description: * WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph expected, especially along the higher ridges. * WHERE...In North Carolina, Alleghany NC, Ashe, and Watauga Counties. In Virginia, Carroll, Floyd, and Grayson Counties. * WHEN...From 6 AM to 4 PM EDT Sunday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Instruction:

Wisconsin Flood Warning | Effective 04/18/2026 10:33

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 Wisconsin... Fox River Lower At Waukesha affecting Waukesha County. * WHAT...Minor flooding is occurring and moderate flooding is forecast. This approaches the flood of record. * WHERE...Fox River Lower at Waukesha. * WHEN...Until Wednesday morning. * IMPACTS...At 8.0 feet, Parts of Corrina Blvd, Buckley St, and

Illinois Flood Warning | Effective 04/18/2026 10:41

Public safety alert, emergency alert, and weather alert Description: ...The National Weather Service in Chicago IL has issued a Flood Warning for the following rivers in Illinois... Fox River at Dayton affecting La Salle County. For the Fox River (Illinois)...including Dayton...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Fox River from Millington downstream to confluence with the Illinois River, including the Dayton gauge. * WHEN...Until Tuesday morning.

Iowa, Nebraska Red Flag Warning | Effective 04/18/2026 10:42

Public safety alert, emergency alert, and weather alert Description: * AFFECTED AREA...Knox, Cedar, Thurston, Antelope, Pierce, Wayne, Boone, Madison, Stanton, Cuming, Burt, Platte, Monona, Colfax, Dodge, Washington, Butler, Saunders, and Seward Counties. * TIMING...Until 8 PM CDT this evening. * WINDS...Northwest 20 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 16 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. Instruction:

Ohio Special Weather Statement | Effective 04/18/2026 10:44

Public safety alert, emergency alert, and weather alert Description: At 144 PM EDT, Doppler radar was tracking a strong thunderstorm near Bremen, or 7 miles west of Somerset, moving northeast at 50 mph. HAZARD...Wind gusts up to 40 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Somerset, Perry State Forest, and Glenford. Instruction:

Kentucky Special Weather Statement | Effective 04/18/2026 10:01

Public safety alert, emergency alert, and weather alert Description: At 100 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Lewisburg to Pebble to Jeffersonville. Movement was northeast at 45 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Morehead, Flemingsburg, Owingsville, Marshall, Jeffersonville, Salt

Illinois, Missouri Flood Warning | Effective 04/18/2026 10:05

Public safety alert, emergency alert, and weather alert Description: ...The National Weather Service in St Louis has issued a Flood Warning for the following rivers in Missouri...Illinois... Mississippi River at Lock & Dam 21. Mississippi River at Quincy. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Lock & Dam 21. * WHEN...From this afternoon until further notice.

Illinois, Missouri Flood Warning | Effective 04/18/2026 10:05

Public safety alert, emergency alert, and weather alert Description: ...The National Weather Service in St Louis has issued a Flood Warning for the following rivers in Missouri...Illinois... Mississippi River at Lock & Dam 21. Mississippi River at Quincy. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Quincy. * WHEN...From this evening until further notice.
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