Headline:
Flash Flood Warning issued July 16 at 6:32PM MDT until July 16 at 7:30PM MDT by NWS Riverton WY
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
July 16, 2026 - 5:32pm
Expires:
July 16, 2026 - 6:30pm
Description:
At 632 PM MDT, Doppler radar indicated thunderstorms which produced
heavy rain across the warned area. Between 1.5 and 2.5 inches of rain
fell earlier this afternoon on the normally dry washes and gulches
that feed into the Nowood River upstream of Manderson. Flash flooding
may be occurring in the warned area.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar indicated.
IMPACT...Flash flooding of small creeks and streams, as well as other
poor drainage and low-lying areas.
Some locations that will experience flash flooding include...
Mainly rural areas of South Central Big Horn and Northern Washakie
Counties along the Nowood River upstream of Manderson.
This includes the following streams and drainages...
Betonite Ridge Draw, Paint Rock Creek, South Fork Brokenback Creek,
Hidden Dome Draw, Nowood River, Sand Creek, Zeisman Dome Draw, East
Fork McDermotts Gulch, Buffalo Creek, Weintz Draw, Brokenback Creek
and Big Cottonwood Creek.
Instruction:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
In hilly terrain there are hundreds of low spots and normally dry
water crossings which are potentially dangerous in heavy rain. Do not
attempt to cross flooded roads. Find an alternate route.
Area Description:
Big Horn, WY; Washakie, WY
Forcast Office:
NWS Riverton WY
Sender: