Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

Ririe (ITD18)

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

NA

73°F

23°C

Humidity 19%
Wind Speed WSW 25 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility 1.24 mi
Last update 19 Mar 04:45 PM MDT
Extended Forecast for

11 Miles S Irwin ID

  • Tonight

    Tonight: Mostly clear, with a low around 39. West southwest wind 14 to 20 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57. Southwest wind 13 to 16 mph, with gusts as high as 21 mph.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41. Southwest wind 15 to 17 mph becoming southeast after midnight. Winds could gust as high as 21 mph.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 55. Breezy, with a south southeast wind 16 to 24 mph becoming west southwest in the afternoon. Winds could gust as high as 33 mph.

    High: 55 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32. Breezy, with a west southwest wind 24 to 29 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 37 mph.

    Low: 32 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 39. West southwest wind 14 to 20 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 57. Southwest wind 13 to 16 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 41. Southwest wind 15 to 17 mph becoming southeast after midnight. Winds could gust as high as 21 mph.
Saturday
Mostly sunny, with a high near 55. Breezy, with a south southeast wind 16 to 24 mph becoming west southwest in the afternoon. Winds could gust as high as 33 mph.
Saturday Night
Mostly cloudy, with a low around 32. Breezy, with a west southwest wind 24 to 29 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 37 mph.
Sunday
Sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
A 20 percent chance of rain. Snow level 9800 feet lowering to 9300 feet in the afternoon . Mostly sunny, with a high near 49. Breezy.
Wednesday Night
Partly cloudy, with a low around 28. Breezy.
Thursday
Sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles S Irwin ID
 43.24°N 111.28°W (Elev. 8734 ft)
12:31 pm MDT Mar 19, 2026
5pm MDT Mar 19, 2026-6pm MDT Mar 26, 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