< Wyoming Flash Flood Warning - Severe | Effective 05/30/2026 21:35

Wyoming Flash Flood Warning - Severe | Effective 05/30/2026 21:35

Headline: 
Flash Flood Warning issued May 30 at 10:35PM MDT until May 31 at 1:30AM MDT by NWS Billings MT
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
May 30, 2026 - 9:35pm
Expires: 
May 31, 2026 - 12:30am
Description: 
FFWBYZ The National Weather Service in Billings has issued a * Flash Flood Warning for... The Northern Elk Burn Area in... Northwestern Sheridan County in north central Wyoming... * Until 130 AM MDT. * At 1035 PM MDT, Doppler radar indicated thunderstorms producing heavy rain over the Northern Elk Burn Area. Between 0.7 and 1.2 inches of rain have fallen a few miles west of Parkman. Additional rainfall is occurring. Flash flooding and debris flow is expected to begin shortly. HAZARD...Flash flooding and debris flow caused by thunderstorms in and around the Northern Elk Burn Area. SOURCE...Radar indicated. IMPACT...Flooding of areas in and downstream of the Northern Elk Burn Area...mainly on northeast side of burn area. * Some locations that will experience flash flooding include... Parkman.
Instruction: 
Life threatening flooding of creeks, roads, and normally dry coulees in and downstream of the Northern Elk burn area is likely. In addition to the flash flooding, the heavy rains may trigger rockslides, mudslides, and debris flows in steep terrain. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Area Description: 
Sheridan, WY
Forcast Office: 
NWS Billings MT