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

41°F

5°C

Humidity 60%
Wind Speed ESE 13 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 17 Oct 07:50 AM MDT
Extended Forecast for

4 Miles WNW Ralston WY

  • Today

    Today: Mostly sunny, with a high near 69. Breezy, with a south southwest wind 8 to 17 mph, with gusts as high as 26 mph.

    High: 69 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. West wind 6 to 13 mph.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 57. West northwest wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Calm wind becoming south southwest 5 to 9 mph in the evening.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 64. South southwest wind 6 to 13 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. Light and variable wind becoming southwest 5 to 7 mph in the evening.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63. Southwest wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 69. Breezy, with a south southwest wind 8 to 17 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 40. West wind 6 to 13 mph.
Sunday
Mostly sunny, with a high near 57. West northwest wind 5 to 7 mph becoming light and variable in the afternoon.
Sunday Night
Mostly clear, with a low around 36. Calm wind becoming south southwest 5 to 9 mph in the evening.
Monday
Sunny, with a high near 64. South southwest wind 6 to 13 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 42. Light and variable wind becoming southwest 5 to 7 mph in the evening.
Tuesday
Sunny, with a high near 63. Southwest wind 5 to 7 mph becoming light and variable in the afternoon.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 45.
Friday
Showers likely. Mostly cloudy, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Ralston WY
 44.77°N 108.99°W (Elev. 4869 ft)
Last Update:
7:02 am MDT Oct 17, 2026
Forecast Valid:
8am MDT Oct 17, 2026-6pm MDT Oct 23, 2026
 
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