Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence 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

27°F

-3°C

Humidity 91%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility 1.24 mi
Last update 29 Jan 10:30 AM MST
Extended Forecast for

11 Miles S Irwin ID

  • Today

    Today: A 20 percent chance of snow after 4pm.  Partly sunny, with a high near 23. West southwest wind around 9 mph.

    High: 23 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Tonight

    Tonight: A 20 percent chance of snow before 8pm.  Mostly cloudy, with a low around 18. Southwest wind around 9 mph.

    Low: 18 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 26. Southwest wind around 8 mph.

    High: 26 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. South wind 9 to 11 mph.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 31. South southeast wind 8 to 11 mph becoming southwest in the afternoon.

    High: 31 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of snow after 11am.  Partly sunny, with a high near 30.

    High: 30 °F

    Slight Chance
    Snow

Detailed Forecast

Today
A 20 percent chance of snow after 4pm. Partly sunny, with a high near 23. West southwest wind around 9 mph.
Tonight
A 20 percent chance of snow before 8pm. Mostly cloudy, with a low around 18. Southwest wind around 9 mph.
Friday
Partly sunny, with a high near 26. Southwest wind around 8 mph.
Friday Night
Mostly cloudy, with a low around 20. South wind 9 to 11 mph.
Saturday
Mostly sunny, with a high near 31. South southeast wind 8 to 11 mph becoming southwest in the afternoon.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Partly sunny, with a high near 34.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 30.
Monday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
Partly cloudy, with a low around 15.
Wednesday
Sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles S Irwin ID
 43.24°N 111.28°W (Elev. 8734 ft)
10:31 am MST Jan 29, 2026
10am 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