Severe Weather Across the Center of the Nation; Fire Weather Concerns for Southwest and California; Snow for the Central Rockies

Severe thunderstorms will continue to impact the center of the Nation through today. Very large hail, strong tornadoes, and damaging winds are expected from the Great Lakes into the central/southern Plains; Flash flooding is possible for portions into the mid-Mississippi Valley. Critical fire weather conditions for the Southwest and central valley of California today. Winter hangs on for Rockies. Read More >

Current conditions at

Powell Municipal Airport (KPOY)

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

Mostly Cloudy

34°F

1°C

Humidity 59%
Wind Speed NNW 21 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 18 May 09:15 AM MDT
Extended Forecast for

3 Miles SSW Ralston WY

Winter Weather Advisory May 18, 09:35am until May 18, 06:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory May 18, 09:35am until May 18, 06:00pm

    NOW until 6:00pm Mon

    Winter Weather Advisory

  • Today

    High: 47 °F

    Slight Chance
    Snow Showers
    and Very
    Windy

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Blustery, with a north wind 13 to 18 mph becoming light and variable  after midnight. Winds could gust as high as 25 mph.

    Low: 29 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61. Light and variable wind becoming southeast 5 to 10 mph in the morning.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. East southeast wind 5 to 13 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. Southwest wind 5 to 8 mph becoming east northeast in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 39. Windy, with a north northwest wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 32 mph.  Chance of precipitation is 50%.

    Low: 39 °F

    Chance
    Showers and
    Windy

  • Thursday

    Thursday: A 50 percent chance of showers before noon.  Partly sunny, with a high near 59. Windy, with a north wind 28 to 33 mph decreasing to 14 to 19 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 59 °F

    Windy. Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after midnight.  Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of snow showers before 10am. Mostly cloudy, with a high near 47. Very windy, with a north wind 32 to 37 mph decreasing to 21 to 26 mph in the afternoon. Winds could gust as high as 50 mph.
Tonight
Partly cloudy, with a low around 29. Blustery, with a north wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.
Tuesday
Sunny, with a high near 61. Light and variable wind becoming southeast 5 to 10 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 36. East southeast wind 5 to 13 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Mostly sunny, with a high near 66. Southwest wind 5 to 8 mph becoming east northeast in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 39. Windy, with a north northwest wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 50%.
Thursday
A 50 percent chance of showers before noon. Partly sunny, with a high near 59. Windy, with a north wind 28 to 33 mph decreasing to 14 to 19 mph in the afternoon. Winds could gust as high as 45 mph.
Thursday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 38.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 80.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Ralston WY
 44.73°N 108.92°W (Elev. 4747 ft)
6:02 am MDT May 18, 2026
9am MDT May 18, 2026-6pm MDT May 24, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database