Montana Minor Flood Advisory | Effective 07/22/2026 16:43

Headline: 
Flood Advisory issued July 22 at 5:43PM MDT until July 22 at 8:45PM MDT by NWS Great Falls MT
Event: 
Flood Advisory
Urgency: 
Expected
Effective: 
July 22, 2026 - 4:43pm
Expires: 
July 22, 2026 - 7:45pm
Description: 
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Central Madison County in southwestern Montana... * WHEN...Until 845 PM MDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 542 PM MDT, Doppler radar indicated heavy rain with rainfall rates in excess of 1 inch per hour due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. - Some locations that will experience flooding include... Sheridan, Alder and Laurin. - http://www.weather.gov/safety/flood
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Area Description: 
Madison, MT
Forcast Office: 
NWS Great Falls MT