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

Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Current conditions at

Idaho Falls Regional Airport (KIDA)

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

Clear

64°F

18°C

Humidity 22%
Wind Speed S 11 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 20 May 06:53 PM MDT
Extended Forecast for

Idaho Falls ID

  • Tonight

    Tonight: A chance of showers and thunderstorms, then rain after midnight. Low around 40. West southwest wind 5 to 13 mph becoming north northeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%.

    Low: 40 °F

    Chance
    Showers then
    Rain

  • Thursday

    Thursday: A 40 percent chance of rain, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 61. Light north wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 61 °F

    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34. North wind 5 to 13 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 67. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. South southwest wind around 7 mph becoming southeast after midnight.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Saturday Night

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

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then rain after midnight. Low around 40. West southwest wind 5 to 13 mph becoming north northeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%.
Thursday
A 40 percent chance of rain, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 61. Light north wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 34. North wind 5 to 13 mph, with gusts as high as 23 mph.
Friday
Mostly sunny, with a high near 67. Light and variable wind becoming west around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 39. South southwest wind around 7 mph becoming southeast after midnight.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 47.
Memorial Day
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 41.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Idaho Falls ID
 43.48°N 112.04°W (Elev. 4701 ft)
Last Update:
5:30 pm MDT May 20, 2026
Forecast Valid:
7pm MDT May 20, 2026-6pm MDT May 27, 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