Montana Severe Flash Flood Warning | Effective 07/15/2026 14:01

Headline: 
Flash Flood Warning issued July 15 at 3:01PM MDT until July 15 at 6:00PM MDT by NWS Billings MT
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
July 15, 2026 - 2:01pm
Expires: 
July 15, 2026 - 5:00pm
Description: 
FFWBYZ The National Weather Service in Billings has issued a * Flash Flood Warning for... Southwestern Stillwater County in south central Montana... * Until 600 PM MDT. * At 301 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3.5 inches of rain have fallen. The expected rainfall rate is 2.5 to 3.5 inches in 1 hour. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Dean.
Instruction: 
In hilly terrain there are low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks.
Area Description: 
Stillwater, MT
Forcast Office: 
NWS Billings MT