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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Hazardous Weather Conditions

Current conditions at

Idaho Falls Regional Airport (KIDA)

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

Clear

81°F

27°C

Humidity 18%
Wind Speed S 25 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Jun 06:20 PM MDT
Extended Forecast for

18 Miles E Atomic City ID

Red Flag Warning until June 17, 09:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning until June 17, 09:00pm

    NOW until 9:00pm Wed

    Red Flag Warning

  • Tonight

    Low: 48 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 81. South wind 5 to 10 mph becoming southwest 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around 51. Southwest wind 12 to 17 mph becoming north 6 to 11 mph after midnight. Winds could gust as high as 25 mph.

    Low: 51 °F

    Decreasing
    Clouds

  • Juneteenth

    Juneteenth: Sunny, with a high near 87. North northeast wind 5 to 11 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 58. West southwest wind 9 to 13 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 78. Breezy. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 47. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    T-storms then
    Slight Chance
    Rain

  • Sunday

    Sunday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 48. Breezy, with a west wind 17 to 22 mph becoming north 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Thursday
Sunny, with a high near 81. South wind 5 to 10 mph becoming southwest 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 51. Southwest wind 12 to 17 mph becoming north 6 to 11 mph after midnight. Winds could gust as high as 25 mph.
Juneteenth
Sunny, with a high near 87. North northeast wind 5 to 11 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 58. West southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Saturday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 78. Breezy. Chance of precipitation is 30%.
Saturday Night
A slight chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 47. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
18 Miles E Atomic City ID
 43.49°N 112.46°W (Elev. 5246 ft)
Last Update:
5:30 pm MDT Jun 17, 2026
Forecast Valid:
6pm MDT Jun 17, 2026-6pm MDT Jun 24, 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