National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Powell Municipal Airport (KPOY)

Lat: 44.8672°NLon: 108.7934°WElev: 5092.0ft.

Clear

68°F

20°C

Humidity 18%
Wind Speed SE 13 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 17 Oct 03:10 PM MDT
Extended Forecast for

3 Miles S Ralston WY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 69. East wind 7 to 10 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. East southeast wind 6 to 14 mph becoming west after midnight.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 60. Northwest wind 5 to 9 mph becoming light and variable.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. North northwest wind around 6 mph becoming southwest in the evening.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66. South southwest wind 5 to 11 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. Calm wind becoming southwest around 5 mph after midnight.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67. Southwest wind around 5 mph becoming calm.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 69. East wind 7 to 10 mph.
Tonight
Mostly clear, with a low around 40. East southeast wind 6 to 14 mph becoming west after midnight.
Sunday
Sunny, with a high near 60. Northwest wind 5 to 9 mph becoming light and variable.
Sunday Night
Mostly clear, with a low around 37. North northwest wind around 6 mph becoming southwest in the evening.
Monday
Sunny, with a high near 66. South southwest wind 5 to 11 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 42. Calm wind becoming southwest around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 67. Southwest wind around 5 mph becoming calm.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 70.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 46.
Friday
A chance of showers. Partly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Ralston WY
 44.71°N 108.89°W (Elev. 4606 ft)
Last Update:
3:31 pm MDT Oct 17, 2026
Forecast Valid:
3pm MDT Oct 17, 2026-6pm MDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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