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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

Idaho Falls Regional Airport (KIDA)

Lat: 43.52083°NLon: 112.06611°WElev: 4741.0ft.

Clear

43°F

6°C

Humidity 56%
Wind Speed SW 16 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 17 Mar 07:00 AM MDT
Extended Forecast for

Idaho Falls ID

  • Today

    Today: Mostly sunny, with a high near 67. South southwest wind 10 to 17 mph, with gusts as high as 26 mph.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 41. South southwest wind 8 to 14 mph, with gusts as high as 24 mph.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 75. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. South wind 7 to 17 mph, with gusts as high as 28 mph.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. South southeast wind 6 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 67. South southwest wind 10 to 17 mph, with gusts as high as 26 mph.
Tonight
Partly cloudy, with a low around 41. South southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 75. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 43. South wind 7 to 17 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 75. South southeast wind 6 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph.
Thursday Night
Mostly clear, with a low around 46.
Friday
Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Idaho Falls ID
 43.48°N 112.04°W (Elev. 4701 ft)
Last Update:
5:31 am MDT Mar 17, 2026
Forecast Valid:
7am MDT Mar 17, 2026-6pm MDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation