Severe

Significant threat to life or property

Iowa Severe Flood Watch | Effective 09/30/2026 10:07

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of central, north central, northeast, south central, southeast, southwest, and west central Iowa, including the following counties, in central Iowa, Boone, Dallas, Grundy, Hamilton, Hardin, Jasper, Marshall, Polk, Poweshiek, Story, Tama and Webster. In north central Iowa, Butler, Franklin, Humboldt and Wright. In northeast Iowa, Black Hawk and Bremer. In south central

California Severe Extreme Heat Watch | Effective 09/30/2026 09:46

* WHAT...Dangerously hot conditions with temperatures up to 85 at the coast and 100 in the mountains and Cuyama valley. * WHERE...Cuyama Valley, Santa Barbara County Interior Mountains, Santa Barbara County Southeastern Coast, Santa Barbara County Southwestern Coast, Santa Cruz and Anacapa Islands, Santa Ynez Mountains Eastern Range, and Santa Ynez Mountains Western Range. * WHEN...From Friday morning through Thursday, October 08. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

California Severe Extreme Heat Watch | Effective 09/30/2026 09:46

* WHAT...Dangerously hot conditions with temperatures up to 90 at the coast and 105 in the valleys. * WHERE...Coast and valleys of Los Angeles and Ventura Counties. * WHEN...From Friday morning through Thursday, October 08. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Very hot temperatures are likely to continue into the second week of October, possibly requiring an extension of this product.

Kansas Severe Flood Watch | Effective 09/30/2026 09:52

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of central, south central, southwest, and west central Kansas, including the following counties, in central Kansas, Ellis and Rush. In south central Kansas, Pawnee. In southwest Kansas, Finney, Ford, Grant, Gray, Hamilton, Haskell, Hodgeman, Kearny, Meade, Morton, Seward, Stanton and Stevens. In west central Kansas, Lane, Ness, Scott and Trego. * WHEN...Through Thursday evening.

Iowa, Illinois Severe Flood Watch | Effective 09/30/2026 09:53

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northwest Illinois, including the following areas, Carroll, Henry IL, Mercer, Rock Island and Whiteside and Iowa, including the following areas, Benton, Cedar, Clinton, Des Moines, Henry IA, Iowa, Jackson, Jefferson, Johnson, Jones, Keokuk, Linn, Louisa, Muscatine, Scott, Van Buren and Washington. * WHEN...Through late Thursday night. * IMPACTS...Excessive runoff may result in flooding of rivers,

Iowa Severe Flood Watch | Effective 09/30/2026 09:53

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...A portion of northeast Iowa, including the following counties, Buchanan, Delaware and Dubuque. * WHEN...Through late Thursday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. * ADDITIONAL DETAILS...

Northern Mariana Islands Severe Flood Watch | Effective 09/30/2026 09:57

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Saipan and Tinian. * WHEN...From this evening through late Sunday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Heavy rainfall associated with Tropical Storm 26W will impact Saipan and Tinian late this evening through Sunday night.

Iowa Severe Flood Warning | Effective 09/30/2026 09:59

...The National Weather Service in Des Moines has issued a Flood Warning for the following rivers in Iowa... Raccoon River at Des Moines Fleur Dr affecting Polk County. Raccoon River at Van Meter Hwy R16 affecting Dallas and Polk Counties. Raccoon River at Des Moines IA 28 affecting Polk County. Middle River near Indianola affecting Warren County. * WHAT...Minor flooding is forecast. This approaches or exceeds the flood of record. * WHERE...Middle River near Indianola, or from Clanton Creek near Spring Hill to the Des Moines River.

Iowa Severe Flood Warning | Effective 09/30/2026 09:59

...The National Weather Service in Des Moines has issued a Flood Warning for the following rivers in Iowa... Raccoon River at Des Moines Fleur Dr affecting Polk County. Raccoon River at Van Meter Hwy R16 affecting Dallas and Polk Counties. Raccoon River at Des Moines IA 28 affecting Polk County. Middle River near Indianola affecting Warren County. * WHAT...Minor flooding is forecast. * WHERE...Raccoon River at Des Moines IA 28, or from Walnut Woods State Park to Walnut Creek. * WHEN...From late Thursday night to Friday afternoon.

Iowa Severe Flood Warning | Effective 09/30/2026 09:59

...The National Weather Service in Des Moines has issued a Flood Warning for the following rivers in Iowa... Raccoon River at Des Moines Fleur Dr affecting Polk County. Raccoon River at Van Meter Hwy R16 affecting Dallas and Polk Counties. Raccoon River at Des Moines IA 28 affecting Polk County. Middle River near Indianola affecting Warren County. * WHAT...Minor flooding is forecast. * WHERE...Raccoon River at Van Meter Hwy R16, or from the North and South Raccoon Rivers to Walnut Woods State Park. * WHEN...From Thursday afternoon to Friday morning.
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