Critical Fire Weather in the High Plains and Midwest; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Current conditions at

Ririe (ITD18)

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

light snow

25°F

-4°C

Humidity 81%
Wind Speed SW 27 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility 1.24 mi
Wind Chill9°F (-13°C)
Last update 18 Feb 05:15 PM MST
Extended Forecast for

16 Miles ESE Rigby ID

Winter Weather Advisory February 18, 05:36pm until February 19, 05:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 18, 05:36pm until February 19, 05:00am

    NOW until 5:00am Thu

    Winter Weather Advisory

  • This Afternoon

    High: 23 °F

    Heavy Snow
    and Breezy

  • Tonight

    Tonight: Snow likely. The snow could be heavy at times.  Mostly cloudy, with a low around 12. Wind chill values as low as -2. Breezy, with a southwest wind 16 to 22 mph, with gusts as high as 31 mph.  Chance of precipitation is 70%. New snow accumulation of 3 to 7 inches possible.

    Low: 12 °F

    Heavy Snow
    and Breezy

  • Thursday

    Thursday: A 50 percent chance of snow between 11am and noon.  Mostly cloudy, with a high near 23. Wind chill values as low as -4. South southwest wind 7 to 15 mph, with gusts as high as 24 mph.  New snow accumulation of less than one inch possible.

    High: 23 °F

    Chance Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 7. Wind chill values as low as -6. Southwest wind 7 to 10 mph becoming east southeast in the evening.

    Low: 7 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of snow after 11am.  Partly sunny, with a high near 23. East southeast wind 8 to 10 mph becoming west in the afternoon.

    High: 23 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow. The snow could be heavy at times. Steady temperature around 23. Breezy, with a west southwest wind around 22 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 3 to 7 inches possible.
Tonight
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 12. Wind chill values as low as -2. Breezy, with a southwest wind 16 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 7 inches possible.
Thursday
A 50 percent chance of snow between 11am and noon. Mostly cloudy, with a high near 23. Wind chill values as low as -4. South southwest wind 7 to 15 mph, with gusts as high as 24 mph. New snow accumulation of less than one inch possible.
Thursday Night
Mostly cloudy, with a low around 7. Wind chill values as low as -6. Southwest wind 7 to 10 mph becoming east southeast in the evening.
Friday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 23. East southeast wind 8 to 10 mph becoming west in the afternoon.
Friday Night
Mostly cloudy, with a low around 10.
Saturday
Mostly sunny, with a high near 29.
Saturday Night
Mostly cloudy, with a low around 14.
Sunday
Partly sunny, with a high near 38.
Sunday Night
Mostly clear, with a low around 21.
Monday
Mostly sunny, with a high near 42.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 28.
Tuesday
Snow likely. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 25.
Wednesday
A 50 percent chance of snow. Partly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles ESE Rigby ID
 43.63°N 111.61°W (Elev. 6601 ft)
4:31 pm MST Feb 18, 2026
5pm MST Feb 18, 2026-6pm MST Feb 25, 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