Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Idaho Falls Regional Airport (KIDA)

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

Clear

67°F

19°C

Humidity 23%
Wind Speed SSE 5 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 18 Jun 10:53 PM MDT
Extended Forecast for

4 Miles NNE Basalt ID

Fire Weather Watch June 20, 09:00am until June 20, 09:00pm
Click here for hazard details and duration
Fire Weather Watch
  • Tonight

    Tonight: Mostly cloudy, with a low around 51. South wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 51 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Mostly cloudy, then gradually becoming sunny, with a high near 87. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 87 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Cloudy, with a low around 58. South southeast wind 5 to 8 mph.

    Low: 58 °F

    Cloudy

  • Saturday

    Saturday: A slight chance of rain, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 80. Breezy, with a south wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.  Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and midnight.  Mostly cloudy, with a low around 48. West southwest wind 15 to 20 mph becoming light and variable  after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 51. South wind 5 to 8 mph becoming light and variable after midnight.
Juneteenth
Mostly cloudy, then gradually becoming sunny, with a high near 87. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Cloudy, with a low around 58. South southeast wind 5 to 8 mph.
Saturday
A slight chance of rain, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 80. Breezy, with a south wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 30%.
Saturday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of rain between 9pm and midnight. Mostly cloudy, with a low around 48. West southwest wind 15 to 20 mph becoming light and variable after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 81.
Monday Night
Clear, with a low around 48.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 87.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Basalt ID
 43.36°N 112.14°W (Elev. 4600 ft)
5:31 pm MDT Jun 18, 2026
11pm MDT Jun 18, 2026-6pm MDT Jun 25, 2026
 
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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