Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Idaho Falls Regional Airport (KIDA)

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

Clear

57°F

14°C

Humidity 62%
Wind Speed S 10 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 19 Sep 11:20 AM MDT
Extended Forecast for

Idaho Falls ID

  • Today

    Today: A slight chance of rain before noon, then a slight chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 63. West southwest wind 6 to 8 mph.  Chance of precipitation is 20%.

    High: 63 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 42. West wind around 6 mph becoming calm  in the evening.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 68. Light and variable wind.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. Light and variable wind.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74. Light and variable wind becoming east northeast around 5 mph in the morning.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of rain before noon, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 63. West southwest wind 6 to 8 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 42. West wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 68. Light and variable wind.
Sunday Night
Mostly clear, with a low around 42. Light and variable wind.
Monday
Sunny, with a high near 74. Light and variable wind becoming east northeast around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 49.
Friday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Idaho Falls ID
 43.48°N 112.04°W (Elev. 4701 ft)
11:31 am MDT Sep 19, 2026
11am MDT Sep 19, 2026-6pm MDT Sep 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database