Future

Responsive action SHOULD be taken in the near future

Idaho, Wyoming, Montana Severe Flood Watch | Effective 09/18/2026 12:10

* WHAT...Flash flooding caused by moderate to heavy rainfall is possible, especially in terrain and poor drainage areas. * WHERE...Northwest Wyoming, including Yellowstone National Park. * WHEN...Through Sunday afternoon. * IMPACTS...Heavy rainfall may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage areas and around steep terrain. * ADDITIONAL DETAILS... - A slow moving weather system will move across Wyoming today

Illinois, Indiana Severe Flood Watch | Effective 09/18/2026 11:47

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of Illinois, including the following areas, Cook, De Kalb, DuPage, Kane, Kendall, Lake, Lee, and Northern Will and northwest Indiana, including the following areas, Lake and Porter. * WHEN...From late tonight through Saturday morning. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. * ADDITIONAL DETAILS...

Illinois Severe Flood Watch | Effective 09/18/2026 11:47

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of north central and northeast Illinois, including the following counties, in north central Illinois, Boone, Ogle and Winnebago. In northeast Illinois, McHenry. * WHEN...From 1 AM CDT Saturday through Saturday morning. * IMPACTS...Creeks and streams may rise out of their banks. Roads and streets may be flooded. * ADDITIONAL DETAILS... - Showers and thunderstorms overnight into Saturday morning may

Iowa, Illinois Severe Flood Watch | Effective 09/18/2026 11:56

* WHAT...Flooding and flash flooding caused by excessive rainfall is possible. * WHERE...Portions of northwest Illinois, including the following county, Whiteside and east central Iowa, including the following counties, Clinton and Jones. * WHEN...From 1 AM CDT Saturday through Saturday evening. * 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...

Iowa, Illinois Severe Flood Watch | Effective 09/18/2026 11:56

* WHAT...Flooding and flash flooding caused by excessive rainfall is possible. * WHERE...Portions of northwest Illinois, including the following counties, Carroll, Jo Daviess and Stephenson and Iowa, including the following counties, Buchanan, Delaware, Dubuque and Jackson. * WHEN...From 1 AM CDT Saturday through Saturday evening. * 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.

Wisconsin Severe Flood Watch | Effective 09/18/2026 11:37

* WHAT...Flooding and flash flooding caused by excessive rainfall are possible. * WHERE...Portions of east central, south central, and southeast Wisconsin, including the following counties, in east central Wisconsin, Fond du Lac and Sheboygan. In south central Wisconsin, Green Lake and Marquette. In southeast Wisconsin, Dodge, Jefferson, Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington and Waukesha. * WHEN...From 1 AM CDT Saturday through Saturday afternoon.

Wisconsin Severe Flood Watch | Effective 09/18/2026 11:37

* WHAT...Flooding and flash flooding caused by excessive rainfall are possible. * WHERE...A portion of south central Wisconsin, including the following counties, Columbia, Dane, Green, Iowa, Lafayette, Rock and Sauk. * WHEN...From 1 AM CDT Saturday through Saturday afternoon. * 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. Storm drains and ditches may become clogged with debris.

Michigan Severe Flood Watch | Effective 09/18/2026 11:42

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of south central and southwest Michigan, including the following counties, in south central Michigan, Calhoun. In southwest Michigan, Allegan, Barry, Kalamazoo and Van Buren. * WHEN...From 2 AM EDT Saturday through Sunday morning. * 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...

Iowa Severe Flood Watch | Effective 09/18/2026 11:22

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of north central and northeast Iowa, including the following counties, in north central Iowa, Butler, Cerro Gordo and Worth. In northeast Iowa, Black Hawk and Bremer. * WHEN...From 7 PM CDT this evening through Saturday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Training storms and heavy rainfall may lead to an increased

New Mexico Severe Flood Watch | Effective 09/18/2026 10:52

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of west central and northwest New Mexico as well as the South Central Mountains and Eastern Lincoln County. This includes the Ruidoso area burn scars. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Soils are very saturated from days of soaking rainfall. Rainfall
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