Headline:
Flash Flood Warning issued September 17 at 11:32AM MDT until September 17 at 1:00PM MDT by NWS Pocatello ID
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
September 17, 2026 - 10:32am
Expires:
September 17, 2026 - 12:00pm
Description:
At 1132 AM MDT, Doppler radar indicated thunderstorms producing
moderate to heavy rain over the Big Rock Burn Scar have subsided at
the moment. However, there can be a delay between rainfall ending and
any ongoing or potential flooding subsiding. Other showers and
thunderstorms with rainfall rates exceeding 0.25 inches may impact
the burn scar in the next 60 to 90 minutes. Flash flooding is
ongoing or expected to begin shortly. This will result in debris
flows consisting of rock, mud, vegetation and other loose materials.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding in and around the Big Rock Burn Scar.
SOURCE...Radar indicated.
IMPACT...Life threatening flash flooding of areas in and around the
Big Rock Burn Scar.
Some locations that will experience flash flooding include...
Heise.
Instruction:
This is a life threatening situation. Heavy rainfall will cause
extensive and severe flash flooding of creeks...streams...and ditches
in the Big Rock Burn Scar. Severe debris flows can also be
anticipated across roads. Roads and driveways may be washed away in
places. If you encounter flood waters...climb to safety.
Area Description:
Jefferson, ID; Madison, ID
Forcast Office:
NWS Pocatello ID
Sender:
w-nws.webmaster@noaa.gov