Headline:
Flash Flood Warning issued July 17 at 3:55PM MDT until July 17 at 5:15PM MDT by NWS Billings MT
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
July 17, 2026 - 2:55pm
Expires:
July 17, 2026 - 4:15pm
Description:
At 355 PM MDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 1.5 and 2.5 inches of rain have
fallen. Additional rainfall amounts up to 0.5 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, including the
Boulder River south of Mc Leod, as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Mainly rural areas of Central Park and West Central Sweet Grass
Counties.
Instruction:
In hilly and mountainous terrain there are hundreds of low water
crossings which are potentially dangerous in heavy rain. Do not
attempt to cross flooded roads. Turn around, don't drown when
encountering flooded roads. Most flood deaths occur in vehicles.
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:
Park, MT; Sweet Grass, MT
Forcast Office:
NWS Billings MT
Sender: