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Severe · Flood WatchThis alert has expired. It is kept for reference.

Flood Watch issued September 20 at 5:38PM MDT until September 20 at

Affecting Bighorn Mountains West; Bighorn Mountains Southeast; Northeast Johnson County; Southeast Johnson County

In effect until: Sep 21, 2026, 12:45 AM

Bighorn Mountains West; Bighorn Mountains Southeast; Northeast Johnson County; Southeast Johnson County

Possible impact zone; conditions develop through 12:45 AM.

Avoid flooded areas. Move to higher ground if water is rising near you.

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Read the original bulletin (official text)
The Flood Watch will expire for a portion of north central Wyoming,
including the following areas, Bighorn Mountains Southeast, Bighorn
Mountains West, Northeast Johnson County and Southeast Johnson
County.

The flash flooding threat has ended. Therefore, the Flood Watch will
expire at 6 PM MDT this evening.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™