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Home Return to list Areal Flood Advisory 0047 Issued by the Riverton Forecast Office
Action: New Issued At: 2026-09-18 14:56:08
589
WGUS85 KRIW 181955
FLSRIW
Flood Advisory
National Weather Service Riverton WY
155 PM MDT Fri Sep 18 2026
WYC013-182300-
/O.NEW.KRIW.FA.Y.0047.260918T1955Z-260918T2300Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fremont WY-
155 PM MDT Fri Sep 18 2026
...FLOOD ADVISORY IN EFFECT UNTIL 5 PM MDT THIS AFTERNOON...
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Southeastern Fremont County in central Wyoming...
* WHEN...Until 500 PM MDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Overflowing poor drainage areas. Ponding of water in urban or other
areas is occurring or is imminent.
* ADDITIONAL DETAILS...
- At 155 PM MDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 0.3 and 1.5 inches of rain
have fallen.
- Additional rainfall amounts of 0.5 to 2 inches are expected over
the area. This additional rain will result in minor flooding.
- Some locations that will experience flooding include...
Riverton, Arapahoe, Hudson, Arapahoe Elementary School, St
Stephens and Fremont County Fairgrounds.
- 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.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 4282 10863 4292 10858 4308 10839 4304 10828
4289 10842 4277 10852
$$
Rowe
Action: Continued Issued At: 2026-09-18 16:20:56
183
WGUS85 KRIW 182120
FLSRIW
Flood Advisory
National Weather Service Riverton WY
320 PM MDT Fri Sep 18 2026
WYC013-182300-
/O.CON.KRIW.FA.Y.0047.000000T0000Z-260918T2300Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fremont WY-
320 PM MDT Fri Sep 18 2026
...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 5 PM MDT THIS AFTERNOON...
* WHAT...Flooding caused by excessive rainfall continues.
* WHERE...Southeastern Fremont County in central Wyoming...
* WHEN...Until 500 PM MDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Overflowing poor drainage areas. Ponding of water in urban or other
areas is occurring or is imminent.
* ADDITIONAL DETAILS...
- At 320 PM MDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 0.3 and 2 inches of rain
have fallen.
- Additional rainfall amounts up to 0.1 inches are expected over
the area. This additional rain will result in minor flooding.
- Some locations that will experience flooding include...
Riverton, Arapahoe, Hudson, Arapahoe Elementary School, St
Stephens and Fremont County Fairgrounds.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 4282 10863 4292 10858 4308 10839 4304 10828
4289 10842 4277 10852
$$
Rowe
Action: Expired Issued At: 2026-09-18 17:55:29
734
WGUS85 KRIW 182255
FLSRIW
Flood Advisory
National Weather Service Riverton WY
455 PM MDT Fri Sep 18 2026
WYC013-182305-
/O.EXP.KRIW.FA.Y.0047.000000T0000Z-260918T2300Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fremont WY-
455 PM MDT Fri Sep 18 2026
...FLOOD ADVISORY WILL EXPIRE AT 5 PM MDT THIS AFTERNOON...
The Flood Advisory will expire at 5 PM MDT this afternoon for a
portion of central Wyoming, including the following area, Fremont.
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
&&
LAT...LON 4282 10863 4292 10858 4308 10839 4304 10828
4289 10842 4277 10852
$$
Rowe
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