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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Ririe (ITD18)

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

NA

28°F

-2°C

Humidity 54%
Wind Speed ESE 18 MPH
Barometer NA
Dewpoint 13°F (-11°C)
Visibility 1.24 mi
Wind Chill15°F (-9°C)
Last update 27 Jan 10:30 PM MST
Extended Forecast for

11 Miles S Irwin ID

  • Tonight

    Tonight: Partly cloudy, with a low around 17. South wind around 14 mph.

    Low: 17 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow after 11am. High near 24. South wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 24 °F

    Snow

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 16. Southwest wind 8 to 14 mph, with gusts as high as 18 mph. New snow accumulation of less than one inch possible.

    Low: 16 °F

    Chance Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 11am. Partly sunny, with a high near 24. Southwest wind 8 to 10 mph.

    High: 24 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 20. South southwest wind around 9 mph.

    Low: 20 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 27.

    High: 27 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Saturday Night

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

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 17. South wind around 14 mph.
Wednesday
Snow after 11am. High near 24. South wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 16. Southwest wind 8 to 14 mph, with gusts as high as 18 mph. New snow accumulation of less than one inch possible.
Thursday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 24. Southwest wind 8 to 10 mph.
Thursday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 20. South southwest wind around 9 mph.
Friday
A 20 percent chance of snow after 11am. Mostly cloudy, with a high near 27.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 32.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 22.
Tuesday
A 20 percent chance of snow. Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles S Irwin ID
 43.24°N 111.28°W (Elev. 8734 ft)
Last Update:
10:31 pm MST Jan 27, 2026
Forecast Valid:
10pm MST Jan 27, 2026-6pm MST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation