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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

Afton WY (KAFO)

Lat: 42.71133°NLon: 110.94217°WElev: 6201.0ft.

Overcast

34°F

1°C

Humidity 80%
Wind Speed E 3 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 08 Dec 03:50 AM MST
Extended Forecast for

Afton WY

  • Overnight

    Overnight: A 30 percent chance of snow. Patchy fog after 5am. Otherwise, cloudy, with a low around 26. South wind around 6 mph.

    Low: 26 °F

    Chance Snow
    and Patchy
    Fog

  • Monday

    Monday: A 40 percent chance of snow. Mostly cloudy, with a high near 35. Southeast wind 6 to 8 mph becoming northwest in the morning. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow

  • Monday Night

    Monday Night: Snow likely, mainly after 2am. Mostly cloudy, with a low around 27. Southwest wind around 7 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow Likely

  • Tuesday

    Tuesday: Rain and snow. High near 37. Breezy, with a west southwest wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Rain/Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain, possibly mixed with snow. Low around 34. West southwest wind around 10 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain. High near 42. West southwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 42 °F

    Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 32. West wind 7 to 13 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain. Partly sunny, with a high near 45.

    High: 45 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of snow. Patchy fog after 5am. Otherwise, cloudy, with a low around 26. South wind around 6 mph.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 35. Southeast wind 6 to 8 mph becoming northwest in the morning. New snow accumulation of less than a half inch possible.
Monday Night
Snow likely, mainly after 2am. Mostly cloudy, with a low around 27. Southwest wind around 7 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
Rain and snow. High near 37. Breezy, with a west southwest wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain, possibly mixed with snow. Low around 34. West southwest wind around 10 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
Rain. High near 42. West southwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Wednesday Night
A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 32. West wind 7 to 13 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 45.
Thursday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 21.
Sunday
A slight chance of snow. Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Afton WY
 42.71°N 110.92°W (Elev. 6827 ft)
Last Update:
2:51 am MST Dec 8, 2025
Forecast Valid:
4am MST Dec 8, 2025-6pm MST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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