Heavy Rain in the Southern U.S.; Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast

A storm system stretching from the Tennessee Valley to the Gulf Coast will bring a variety of hazards to the Eastern U.S. through Tuesday. On the south side of the system, heavy rain and thunderstorms will persist across the Southern U.S. Further north, a wintry precipitation mix is expected from the Central Appalachians to the interior Northeast through Tuesday. Read More >

Current conditions at

Ririe (ITD18)

Lat: 43.6111°NLon: 111.70531°WElev: 5106.0ft.

NA

31°F

-1°C

Humidity 68%
Wind Speed SE 12 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility 1.24 mi
Wind Chill22°F (-6°C)
Last update 02 Dec 01:00 AM MST
Extended Forecast for

Swan Valley ID

  • Overnight

    Overnight: Snow likely, mainly after 3am.  Cloudy, with a low around 22. Southeast wind around 7 mph.  Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.

    Low: 22 °F

    Snow Likely

  • Tuesday

    Tuesday: Snow.  High near 33. South southeast wind 5 to 10 mph becoming light southeast  in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 33 °F

    Snow

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow before 11pm.  Cloudy, then gradually becoming partly cloudy, with a low around 16. Calm wind.  New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 33. Calm wind becoming east northeast around 5 mph.

    High: 33 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 14. Light and variable wind.

    Low: 14 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after 11am.  Cloudy, with a high near 31. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly after 11pm.  Mostly cloudy, with a low around 24. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Snow Likely

  • Friday

    Friday: Snow.  High near 36. Chance of precipitation is 80%.

    High: 36 °F

    Snow

  • Friday Night

    Friday Night: Snow before 8pm, then rain, possibly mixed with snow.  Snow level rising to 5800 feet after midnight. Low around 29. Chance of precipitation is 80%.

    Low: 29 °F

    Rain/Snow

Detailed Forecast

Overnight
Snow likely, mainly after 3am. Cloudy, with a low around 22. Southeast wind around 7 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.
Tuesday
Snow. High near 33. South southeast wind 5 to 10 mph becoming light southeast in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
A 50 percent chance of snow before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 16. Calm wind. New snow accumulation of less than a half inch possible.
Wednesday
Sunny, with a high near 33. Calm wind becoming east northeast around 5 mph.
Wednesday Night
Partly cloudy, with a low around 14. Light and variable wind.
Thursday
A 30 percent chance of snow, mainly after 11am. Cloudy, with a high near 31. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 24. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow. High near 36. Chance of precipitation is 80%.
Friday Night
Snow before 8pm, then rain, possibly mixed with snow. Snow level rising to 5800 feet after midnight. Low around 29. Chance of precipitation is 80%.
Saturday
Rain, possibly mixed with snow, mainly before 5pm. Snow level 5900 feet. High near 38. Chance of precipitation is 80%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 38.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 26.
Monday
A 30 percent chance of snow. Mostly cloudy, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
Swan Valley ID
 43.44°N 111.31°W (Elev. 5479 ft)
10:31 pm MST Dec 1, 2025
1am MST Dec 2, 2025-6pm MST Dec 8, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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