532 
WGUS85 KRIW 181951
FLSRIW

Flood Advisory
National Weather Service Riverton WY
151 PM MDT Fri Sep 18 2026

WYC013-182045-
/O.NEW.KRIW.FA.Y.0046.260918T1951Z-260918T2045Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fremont WY-
151 PM MDT Fri Sep 18 2026

...FLOOD ADVISORY IN EFFECT UNTIL 245 PM MDT THIS AFTERNOON...

* WHAT...Urban area and small stream flooding caused by excessive
  rainfall is expected.

* WHERE...Southwestern Fremont County in central Wyoming...

* WHEN...Until 245 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 151 PM MDT, trained weather spotters reported heavy rain in
    the advisory area due to thunderstorms. This  will cause urban
    and small stream flooding. Between 0.2 and 0.8 inches of rain
    have fallen.
  - Additional rainfall amounts up to 0.2 inches are expected over
    the area. This additional rain will result in minor flooding.
  - Some locations that will experience flooding include...
    Lander.
  - 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 4283 10875 4285 10872 4285 10869 4282 10872


$$

Rowe

428 
WGUS85 KRIW 182021
FLSRIW

Flood Advisory
National Weather Service Riverton WY
221 PM MDT Fri Sep 18 2026

WYC013-182045-
/O.CON.KRIW.FA.Y.0046.000000T0000Z-260918T2045Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fremont WY-
221 PM MDT Fri Sep 18 2026

...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 245 PM MDT THIS
AFTERNOON...

* WHAT...Urban area and small stream flooding caused by excessive
  rainfall continues.

* WHERE...Southwestern Fremont County in central Wyoming...

* WHEN...Until 245 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 221 PM MDT, trained weather spotters reported heavy rain in
    the advisory area due to thunderstorms. This  will cause urban
    and small stream flooding. Between 0.2 and 0.8 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...
    Lander.
  - 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 4283 10875 4285 10872 4285 10869 4282 10872


$$

Rowe

837 
WGUS85 KRIW 182038
FLSRIW

Flood Advisory
National Weather Service Riverton WY
238 PM MDT Fri Sep 18 2026

WYC013-182048-
/O.EXP.KRIW.FA.Y.0046.000000T0000Z-260918T2045Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fremont WY-
238 PM MDT Fri Sep 18 2026

...FLOOD ADVISORY WILL EXPIRE AT 245 PM MDT THIS AFTERNOON...

The Flood Advisory will expire at 245 PM MDT this afternoon for a
portion of central Wyoming, including the following area, Fremont.

The heavy rain has ended. Urban area and small stream flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.

&&

LAT...LON 4283 10875 4285 10872 4285 10869 4282 10872


$$

Rowe