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

Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Big Piney - Marbleton Airport (KBPI)

Lat: 42.57805°NLon: 110.10972°WElev: 6946.0ft.

Overcast

28°F

-2°C

Humidity 74%
Wind Speed ESE 4 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 09 Dec 05:20 AM MST
Extended Forecast for

Big Piney/Marbleton Airport WY

  • Overnight

    Overnight: A 20 percent chance of snow. Mostly cloudy, with a steady temperature around 30. East southeast wind around 8 mph.

    Low: 30 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: A chance of rain and snow before 2pm, then a chance of rain between 2pm and 4pm, then a chance of rain and snow after 4pm. Mostly sunny, with a high near 45. Breezy, with a south wind 11 to 16 mph becoming west northwest 17 to 22 mph in the morning. Winds could gust as high as 36 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 45 °F

    Chance
    Rain/Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 31. North northwest wind 7 to 13 mph becoming southeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Wednesday

    Wednesday: A slight chance of rain and snow before 8am, then a slight chance of rain between 8am and 9am. Partly sunny, with a high near 48. Breezy, with an east southeast wind 5 to 10 mph becoming west northwest 15 to 20 mph in the morning. Winds could gust as high as 31 mph. Chance of precipitation is 20%.

    High: 48 °F

    Breezy.
    Slight Chance
    Rain/Snow
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. West northwest wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 46. West northwest wind 7 to 13 mph, with gusts as high as 23 mph.

    High: 46 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21. West northwest wind 6 to 8 mph.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow. Mostly cloudy, with a steady temperature around 30. East southeast wind around 8 mph.
Tuesday
A chance of rain and snow before 2pm, then a chance of rain between 2pm and 4pm, then a chance of rain and snow after 4pm. Mostly sunny, with a high near 45. Breezy, with a south wind 11 to 16 mph becoming west northwest 17 to 22 mph in the morning. Winds could gust as high as 36 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday Night
A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 31. North northwest wind 7 to 13 mph becoming southeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday
A slight chance of rain and snow before 8am, then a slight chance of rain between 8am and 9am. Partly sunny, with a high near 48. Breezy, with an east southeast wind 5 to 10 mph becoming west northwest 15 to 20 mph in the morning. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 25. West northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 46. West northwest wind 7 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 21. West northwest wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 19.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 13.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 15.
Monday
Mostly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Big Piney/Marbleton Airport WY
 42.58°N 110.07°W (Elev. 6870 ft)
Last Update:
5:01 am MST Dec 9, 2025
Forecast Valid:
5am MST Dec 9, 2025-6pm MST Dec 15, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation