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

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

71°F

22°C

Humidity 21%
Wind Speed SW 18 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility 1.24 mi
Last update 19 Mar 02:00 PM MDT
Extended Forecast for

2 Miles WNW Irwin ID

  • This Afternoon

    This Afternoon: Sunny, with a high near 71. West southwest wind around 10 mph, with gusts as high as 18 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. West southwest wind 6 to 9 mph becoming east southeast in the evening.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73. Southeast wind around 8 mph becoming southwest in the afternoon.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46. South southwest wind 6 to 8 mph becoming southeast after midnight.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 69. Southeast wind 7 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 26 mph.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 71. West southwest wind around 10 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 43. West southwest wind 6 to 9 mph becoming east southeast in the evening.
Friday
Sunny, with a high near 73. Southeast wind around 8 mph becoming southwest in the afternoon.
Friday Night
Mostly clear, with a low around 46. South southwest wind 6 to 8 mph becoming southeast after midnight.
Saturday
Mostly sunny, with a high near 69. Southeast wind 7 to 16 mph becoming west southwest in the afternoon. Winds could gust as high as 26 mph.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 60.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Irwin ID
 43.42°N 111.31°W (Elev. 5397 ft)
Last Update:
12:31 pm MDT Mar 19, 2026
Forecast Valid:
2pm MDT Mar 19, 2026-6pm MDT Mar 25, 2026
 
Forecast Discussion
 
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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