Severe

Significant threat to life or property

Oklahoma Severe Thunderstorm Warning | Effective 04/18/2026 02:42

Public safety alert, emergency alert, and weather alert Description: SVRTSA The National Weather Service in Tulsa has issued a * Severe Thunderstorm Warning for... Choctaw County in southeastern Oklahoma... * Until 530 AM CDT. * At 442 AM CDT, a severe thunderstorm was located 4 miles west of Boswell, moving east at 45 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.

Illinois Flood Warning | Effective 04/18/2026 02:02

Public safety alert, emergency alert, and weather alert Description: ...The Flood Warning continues for the following rivers in Illinois... Pecatonica River near Shirland affecting Winnebago County. For the Pecatonica River (Lower)...including Shirland...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pecatonica River from Winnebago County line downstream to confluence with the Rock River, including the Shirland gauge. * WHEN...Until further notice.

Colorado, Kansas, Nebraska Red Flag Warning | Effective 04/18/2026 01:58

Public safety alert, emergency alert, and weather alert Description: ...CRITICAL FIRE WEATHER CONDITIONS SATURDAY AFTERNOON... .Today, winds from the northwest gusting around 25-35 are expected in the late morning and early afternoon across the region. Areas in the Warning will see 25-30 MPH gusts continue until around sunset as RH values drop into the low teens. Areas outside of the Warning will see winds weaken to around 15-20 MPH in the afternoon, when RH values reach critical levels.

Illinois Flood Warning | Effective 04/18/2026 01:59

Public safety alert, emergency alert, and weather alert Description: ...The Flood Warning continues for the following rivers in Illinois... Kishwaukee River at Belvidere affecting Winnebago and Boone Counties. * WHAT...The river is currently near minor flood stage. * WHERE...Kishwaukee River from County Line Road downstream to confluence with South Branch Kishwaukee River, including the Belvidere gauge. * WHEN...Until this evening. * IMPACTS...At 8.0 feet, Trails in Belvidere Park threatened.

Nebraska Red Flag Warning | Effective 04/18/2026 00:24

Public safety alert, emergency alert, and weather alert Description: ...CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON... * AFFECTED AREA...Fire Weather Zone 204 Eastern Panhandle/Crescent Lake NWR, Fire Weather Zone 206 Sandhills/Valentine NWR/Nebraska National Forest, Fire Weather Zone 209 Loup Rivers Basin, Fire Weather Zone 210 Frenchman Basin and Fire Weather Zone 219 Loess Plains. * TIMING...Saturday, Noon CT / 11 AM MT to 8 PM CT / 7 PM MT. * WINDS...Northwest 15 to 25 mph with gusts up to 40 mph.

Nebraska Red Flag Warning | Effective 04/18/2026 00:24

Public safety alert, emergency alert, and weather alert Description: ...CRITICAL FIRE WEATHER CONDITIONS THIS AFTERNOON... The National Weather Service in North Platte has issued a Red Flag Warning for low humidity and gusty northwest winds, which is in effect from noon today to 8 PM CDT this evening. * AFFECTED AREA...Fire Weather Zone 208 Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest. * TIMING...Saturday, Noon CT / 11 AM MT to 8 PM CT / 7 PM MT. * WINDS...Northwest 15 to 25 mph with gusts up to 40 mph.

Iowa, Nebraska Red Flag Warning | Effective 04/18/2026 00:33

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...From noon today to 8 PM CDT this evening. * WINDS...Northwest 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

Illinois, Missouri Flood Warning | Effective 04/18/2026 00:43

Public safety alert, emergency alert, and weather alert Description: ...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Canton. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Canton. * WHEN...From this morning until further notice. * IMPACTS...At 16.6 feet, Front Street leading to the campground and Corps park campgrounds flood at this height.

South Dakota Red Flag Warning | Effective 04/18/2026 00:10

Public safety alert, emergency alert, and weather alert Description: ...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 322 AND 326... .Mild and dry today with highs in the 50s and humidities dropping to as low as 15%. Northwest winds will increase through the morning hours with gusts of up to 45 mph through the afternoon hours. The combination of dry and windy conditions along with dry

Missouri Flood Warning | Effective 04/17/2026 23:59

Public safety alert, emergency alert, and weather alert Description: ...The Flood Warning continues for the following rivers in Missouri... Big Creek at Blairstown affecting Cass, Henry and Johnson Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Big Creek at Blairstown. * WHEN...Until early Monday morning. * IMPACTS...At 20.0 feet, The west bank of the creek begins to flood. At 23.0 feet, Flooding occurs at the west approach to the N
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