Severe

Significant threat to life or property

Georgia Red Flag Warning | Effective 04/18/2026 17:56

Public safety alert, emergency alert, and weather alert Description: The National Weather Service in Greenville-Spartanburg has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon to 8 PM EDT Sunday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Rabun and Habersham Counties in northeast Georgia. * TIMING...From noon to 8 PM EDT Sunday. * WINDS...North 10 to 15 mph with gusts up to 35 mph. * HUMIDITY...20 to 25 percent.

Illinois Flood Warning | Effective 04/18/2026 17:57

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... Kishwaukee River at Belvidere affecting Boone and Winnebago Counties. * WHAT...Minor flooding is occurring and moderate flooding is forecasted to occur. * WHERE...Kishwaukee River from County Line Road downstream to confluence with South Branch Kishwaukee River, including the Belvidere gauge.

Illinois Flood Warning | Effective 04/18/2026 17:57

Public safety alert, emergency alert, and weather alert Description: ...The Flood Warning continues for the following rivers in Illinois... Kishwaukee River near Perryville affecting Winnebago County. * WHAT...Minor flooding is occurring and expected to continue. * WHERE...Kishwaukee River from Confluence with South Branch Kishwaukee River downstream to the Rock River, including the Perryville gauge. * WHEN...Until early Tuesday afternoon. * IMPACTS...At 13.0 feet, Roadways threatened at Blackhawk Valley

Michigan Flash Flood Watch | Effective 04/18/2026 16:24

Public safety alert, emergency alert, and weather alert Description: * WHAT...Flash Flooding caused by a potential dam or levee failure continues to be possible at the Hesperia Dam. * WHERE...A portion of west central Michigan, including the following county, Oceana. * WHEN...Through Monday morning. * IMPACTS...Dam failure may result in flash flooding of low-lying areas below the dam. * ADDITIONAL DETAILS... - Another round of heavy rain fell last night across the White

Missouri Flood Warning | Effective 04/18/2026 16:15

Public safety alert, emergency alert, and weather alert Description: ...The Flood Warning continues for the following rivers in Missouri... Roubidoux Creek Near Waynesville affecting Pulaski County. For the Roubidoux Creek...including Waynesville...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Roubidoux Creek near Waynesville. * WHEN...Until tomorrow morning. * IMPACTS...At 8.0 feet, low parts of Spring Road south of Business 66 in Waynesville flood.

Missouri Flood Warning | Effective 04/18/2026 15:05

Public safety alert, emergency alert, and weather alert Description: ...The National Weather Service in St Louis has issued a Flood Warning for the following river in Missouri... Black River near Annapolis. 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...Black River near Annapolis. * WHEN...From this afternoon to Monday afternoon. * IMPACTS...At 9.0 feet, County Road 372 will begin flooding near

Missouri Flood Warning | Effective 04/18/2026 14:43

Public safety alert, emergency alert, and weather alert Description: ...The Flood Warning continues for the following rivers in Missouri... Roubidoux Creek Near Waynesville affecting Pulaski County. For the Roubidoux Creek...including Waynesville...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Roubidoux Creek near Waynesville. * WHEN...Until tomorrow morning. * IMPACTS...At 8.0 feet, low parts of Spring Road south of Business 66 in Waynesville flood. * ADDITIONAL DETAILS...

Puerto Rico Flood Warning | Effective 04/18/2026 14:04

Public safety alert, emergency alert, and weather alert Description: * WHAT...Flooding caused by excess runoff is expected. * WHERE...Areas along Rio Culebrina and tributaries in Aguada, Aguadilla, and Moca. * WHEN...Until 630 AM AST Sunday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Numerous roads remain closed due to flooding. Streams continue to rise due to excess runoff from earlier rainfall. Low-water crossings are

Wisconsin Flash Flood Watch | Effective 04/18/2026 13:49

Public safety alert, emergency alert, and weather alert Description: * WHAT...Flash flooding due to the potential compromise of the Caledonia-Lewiston Levee. The Wisconsin Department of Natural Resources has indicated that the Calendonia-Lewiston Levee along the Wisconsin River may become compromised as the river levels rise. If this takes place, a rapid inundation of water is expected along the south and west side of the river. The City of Portage is

Wisconsin Flood Watch | Effective 04/18/2026 13:52

Public safety alert, emergency alert, and weather alert Description: ...The Flood Watch continues for the following river in Wisconsin... Fox River At Princeton affecting Green Lake County. * WHAT...Flooding is possible. * WHERE...Fox River at Princeton. * WHEN...From late Sunday night to early Thursday afternoon. * IMPACTS...At 9.5 feet, Floodwaters are in the back yards of some homes along South Farmer, Jefferson, North Mechanic and West Water Streets in Princeton. There is general minor flooding in the Princeton area.
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