Severe

Significant threat to life or property

Ohio Severe Flood Watch | Effective 09/17/2026 10:53

The Flood Watch will expire for portions of central and west central Ohio, including the following areas, in central Ohio, Franklin and Madison. In west central Ohio, Clark, Darke and Miami. The flash flooding threat for this afternoon has ended. Therefore, the Flood Watch will expire at 2 PM EDT this afternoon. People in the watch area should keep an eye on the weather and be prepared for immediate action should heavy rains and flooding occur or a Flash Flood Warning be issued. Avoid low-lying areas and be

Indiana, Kentucky, Ohio Severe Flood Watch | Effective 09/17/2026 10:53

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of Indiana, including the following counties, Dearborn, Fayette, Franklin, Ohio, Ripley, Union and Wayne, northern Kentucky, including the following counties, Boone, Campbell and Kenton, and Ohio, including the following counties, Adams, Brown, Butler, Clermont, Clinton, Fairfield, Fayette, Greene, Hamilton, Highland, Hocking, Montgomery, Pickaway, Pike, Preble, Ross, Scioto and Warren.

Montana, Wyoming Severe Flood Watch | Effective 09/17/2026 11:06

A strong slow moving Fall storm system will impact the region from Friday night through Sunday. Well above normal atmospheric moisture levels combined with the dynamics from this storm system will provide the potential for heavy rainfall during this period. Thunderstorms embedded in the more general rainfall will have the potential to produce flash flooding, particularly over recent burn scars. * WHAT...Flooding caused by excessive rainfall is possible, along with Flash Flooding of recent burn scars.

Indiana Severe Flood Watch | Effective 09/17/2026 11:08

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of central, east central, south central, southeast, and west central Indiana, including the following counties; Bartholomew, Boone, Clinton, Decatur, Hamilton, Hancock, Hendricks, Johnson, Madison, Marion, Morgan, Rush, Shelby, Tipton, Delaware, Henry, Randolph, Brown, Jennings, Montgomery and Putnam. * WHEN...From 10 PM EDT this evening through Friday morning. * IMPACTS...Excessive runoff may result in flooding of rivers,

Utah Severe Flood Watch | Effective 09/17/2026 11:14

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of Utah, including the following areas, Castle Country, Central Mountains, San Rafael Swell and Wasatch Plateau/Book Cliffs. * WHEN...Until midnight MDT tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, dry washes, slot canyons, and other low-lying and flood-prone locations such as slickrock areas and recent burn scars. * ADDITIONAL DETAILS...

New Mexico Severe Flood Watch | Effective 09/17/2026 11:18

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northwestern, north central, and central New Mexico. This includes Farmington, Shiprock, Bloomfield, Aztec, Dulce, Chama, Cuba, Los Alamos, Taos, Espanola, Angel Fire, Red River, Eagle Nest, Santa Fe, Glorieta, Albuquerque, Rio Rancho, Sandia Crest, Sedillo, Belen, Los Lunas, and Socorro. * WHEN...Through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers,

Indiana Severe Flood Warning | Effective 09/17/2026 11:18

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Northeastern Jay County in east central Indiana... Adams County in northeastern Indiana... Huntington County in northeastern Indiana... Wells County in northeastern Indiana... * WHEN...Until 1000 AM EDT Friday. * 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. * ADDITIONAL DETAILS...

Idaho Severe Flash Flood Warning | Effective 09/17/2026 10:32

At 1132 AM MDT, Doppler radar indicated thunderstorms producing moderate to heavy rain over the Big Rock Burn Scar have subsided at the moment. However, there can be a delay between rainfall ending and any ongoing or potential flooding subsiding. Other showers and thunderstorms with rainfall rates exceeding 0.25 inches may impact the burn scar in the next 60 to 90 minutes. Flash flooding is ongoing or expected to begin shortly. This will result in debris

Nevada Severe Red Flag Warning | Effective 09/17/2026 10:40

...RED FLAG WARNING FOR FWZ 426 & 427 THURSDAY... * AFFECTED AREA...Fire weather zones 426 and 427. * WIND...Sustained southerly winds of 20-35 mph with gusts of 40-45 mph. * HUMIDITY...Minimum afternoon values of 10-15% * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. A red flag warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can

Ohio Severe Severe Thunderstorm Warning | Effective 09/17/2026 10:41

SVRILN The National Weather Service in Wilmington has issued a * Severe Thunderstorm Warning for... Northwestern Greene County in west central Ohio... Northeastern Montgomery County in west central Ohio... * Until 215 PM EDT. * At 141 PM EDT, a severe thunderstorm was located over Dayton, moving southeast at 30 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to trees and power lines. * Locations impacted include... Dayton, Kettering, Beavercreek, Huber Heights, Fairborn, Xenia,
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