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

Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

Ririe (ITD18)

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

NA

30°F

-1°C

Humidity 89%
Wind Speed WSW 10 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility 1.24 mi
Wind Chill21°F (-6°C)
Last update 29 Jan 03:00 AM MST
Extended Forecast for

2 Miles WNW Swan Valley ID

  • Overnight

    Overnight: Patchy fog. Otherwise, cloudy, with a steady temperature around 24. Calm wind.

    Low: 24 °F

    Patchy Fog

  • Thursday

    Thursday: A 20 percent chance of snow after 4pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 34. South southeast wind 3 to 5 mph.

    High: 34 °F

    Patchy Fog
    then Slight
    Chance Snow
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 8pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Slight Chance
    Snow and
    Patchy Fog
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 37. Light and variable wind becoming south around 5 mph.

    High: 37 °F

    Patchy Fog

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23. South southeast wind 3 to 6 mph.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, cloudy, with a steady temperature around 24. Calm wind.
Thursday
A 20 percent chance of snow after 4pm. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 34. South southeast wind 3 to 5 mph.
Thursday Night
A 20 percent chance of snow before 8pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 23. Calm wind.
Friday
Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 37. Light and variable wind becoming south around 5 mph.
Friday Night
Mostly cloudy, with a low around 23. South southeast wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
A slight chance of snow after 11am, mixing with rain after 2pm. Snow level 5500 feet. Partly sunny, with a high near 41. Chance of precipitation is 20%.
Monday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 23. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
Partly cloudy, with a low around 17.
Wednesday
Sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Swan Valley ID
 43.46°N 111.34°W (Elev. 5509 ft)
Last Update:
1:35 am MST Jan 29, 2026
Forecast Valid:
3am MST Jan 29, 2026-6pm MST Feb 4, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation