Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

DW7095 Clark (D7095)

Lat: 44.90317°NLon: 109.17183°WElev: 4270.0ft.

NA

58°F

14°C

Humidity 37%
Wind Speed N 30 MPH
Barometer 29.54 in (1000.34 mb)
Dewpoint 32°F (0°C)
Visibility NA
Last update 09 Dec 09:00 AM MST
Extended Forecast for

21 Miles W Ralston WY

Winter Storm Warning December 9, 09:27am until December 10, 05:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 9, 09:27am until December 10, 05:00pm

    NOW until 5:00pm Wed

    Winter Storm Warning

  • Today

    High: 41 °F

    Snow Likely
    and Very
    Windy

  • Tonight

    Tonight: Snow, mainly after 2am.  Low around 30. Windy, with a west southwest wind 16 to 21 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 38 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 30 °F

    Windy. Partly
    Cloudy then
    Snow

  • Wednesday

    Wednesday: Snow likely before 9am, then rain and snow likely between 9am and 11am, then a chance of rain after 11am.  Snow level rising to 8800 feet in the afternoon. Partly sunny, with a high near 43. Windy, with a west wind 31 to 34 mph, with gusts as high as 48 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Windy.
    Rain/Snow
    Likely then
    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 11pm, then a chance of rain and snow.  Snow level 8800 feet lowering to 7700 feet after midnight . Mostly cloudy, with a low around 36. Very windy, with a west wind 40 to 44 mph, with gusts as high as 55 mph.  Chance of precipitation is 30%.

    Low: 36 °F

    Chance
    Rain/Snow and
    Very Windy

  • Thursday

    Thursday: A chance of rain and snow before 11am, then a chance of snow.  Snow level 7400 feet. Partly sunny, with a high near 41. Very windy, with a west wind 36 to 41 mph decreasing to 29 to 34 mph in the afternoon. Winds could gust as high as 55 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance
    Rain/Snow and
    Very Windy
    then Chance
    Snow and
    Windy

  • Thursday Night

    Thursday Night: Snow likely, mainly before 11pm.  Mostly cloudy, with a low around 27. Very windy, with a west northwest wind 32 to 36 mph, with gusts as high as 46 mph.  Chance of precipitation is 60%.

    Low: 27 °F

    Snow Likely
    and Very
    Windy

  • Friday

    Friday: A 40 percent chance of snow, mainly before 11am.  Partly sunny, with a high near 35. Windy, with a west wind 22 to 30 mph, with gusts as high as 39 mph.

    High: 35 °F

    Chance Snow
    and Windy

  • Friday Night

    Friday Night: A 20 percent chance of snow showers after 11pm.  Mostly cloudy, with a low around 27. Very windy.

    Low: 27 °F

    Slight Chance
    Snow Showers
    and Very
    Windy

Detailed Forecast

Today
Snow likely, mainly before 2pm. Mostly sunny, with a temperature falling to around 35 by 5pm. Very windy, with a west northwest wind 35 to 40 mph decreasing to 29 to 34 mph in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, mainly after 2am. Low around 30. Windy, with a west southwest wind 16 to 21 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday
Snow likely before 9am, then rain and snow likely between 9am and 11am, then a chance of rain after 11am. Snow level rising to 8800 feet in the afternoon. Partly sunny, with a high near 43. Windy, with a west wind 31 to 34 mph, with gusts as high as 48 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
A slight chance of rain before 11pm, then a chance of rain and snow. Snow level 8800 feet lowering to 7700 feet after midnight . Mostly cloudy, with a low around 36. Very windy, with a west wind 40 to 44 mph, with gusts as high as 55 mph. Chance of precipitation is 30%.
Thursday
A chance of rain and snow before 11am, then a chance of snow. Snow level 7400 feet. Partly sunny, with a high near 41. Very windy, with a west wind 36 to 41 mph decreasing to 29 to 34 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 27. Very windy, with a west northwest wind 32 to 36 mph, with gusts as high as 46 mph. Chance of precipitation is 60%.
Friday
A 40 percent chance of snow, mainly before 11am. Partly sunny, with a high near 35. Windy, with a west wind 22 to 30 mph, with gusts as high as 39 mph.
Friday Night
A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 27. Very windy.
Saturday
Partly sunny, with a high near 32. Windy.
Saturday Night
Partly cloudy, with a low around 29. Windy.
Sunday
Mostly sunny, with a high near 39. Windy.
Sunday Night
Partly cloudy, with a low around 30. Windy.
Monday
Mostly sunny, with a high near 37. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles W Ralston WY
 44.81°N 109.33°W (Elev. 7398 ft)
9:18 am MST Dec 9, 2025
9am MST Dec 9, 2025-6pm MST Dec 15, 2025
 
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