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Home Return to list Areal Flood Advisory 0048 Issued by the Riverton Forecast Office
Action: New Issued At: 2026-09-18 15:32:25
756
WGUS85 KRIW 182032
FLSRIW
Flood Advisory
National Weather Service Riverton WY
232 PM MDT Fri Sep 18 2026
WYC013-037-182230-
/O.NEW.KRIW.FA.Y.0048.260918T2032Z-260918T2230Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fremont WY-Sweetwater WY-
232 PM MDT Fri Sep 18 2026
...FLOOD ADVISORY IN EFFECT UNTIL 430 PM MDT THIS AFTERNOON...
* WHAT...Arroyo and small stream flooding caused by excessive
rainfall is expected.
* WHERE...Southeastern Fremont County in central Wyoming...
Northeastern Sweetwater County in south central Wyoming...
* WHEN...Until 430 PM MDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Rises in small streams and normally dry arroyos. Overflowing poor
drainage areas.
* ADDITIONAL DETAILS...
- At 232 PM MDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause arroyo and small stream flooding.
Up to 0.5 inches of rain have fallen.
- Additional rainfall amounts of 0.1 to 0.8 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Bairoil and Green Mountain.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
Remain alert for flooding even in locations not receiving rain.
Arroyos, streams, and rivers can become raging killer currents in a
matter of minutes, even from distant rainfall.
&&
LAT...LON 4220 10776 4237 10752 4212 10752 4213 10780
$$
Rowe
Action: Expired Issued At: 2026-09-18 17:38:28 308 WGUS85 KRIW 182238 FLSRIW Flood Advisory National Weather Service Riverton WY 438 PM MDT Fri Sep 18 2026 WYC013-037-182248- /O.EXP.KRIW.FA.Y.0048.000000T0000Z-260918T2230Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Fremont WY-Sweetwater WY- 438 PM MDT Fri Sep 18 2026 ...FLOOD ADVISORY HAS EXPIRED... The Flood Advisory has expired for portions of central and south central Wyoming, including the following areas, in central Wyoming, Fremont. In south central Wyoming, Sweetwater. The heavy rain has ended. Arroyo and small stream flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. && LAT...LON 4220 10776 4237 10752 4212 10752 4213 10780 $$ Rowe | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||