Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Ririe (ITD18)

Lat: 43.6111°NLon: 111.70531°WElev: 5106.0ft.

NA

67°F

19°C

Humidity 54%
Wind Speed ESE 17 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility 1.24 mi
Last update 17 Aug 10:15 PM MDT
Extended Forecast for

5 Miles SSW Swan Valley ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. South southeast wind 7 to 11 mph.

    Low: 59 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 74. South southeast wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

    High: 74 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. West wind 7 to 10 mph becoming south southeast in the evening.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 76. Southeast wind 6 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. West northwest wind 7 to 14 mph becoming east southeast in the evening.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of rain after midnight.  Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 59. South southeast wind 7 to 11 mph.
Tuesday
Partly sunny, with a high near 74. South southeast wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 56. West wind 7 to 10 mph becoming south southeast in the evening.
Wednesday
Sunny, with a high near 76. Southeast wind 6 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 58. West northwest wind 7 to 14 mph becoming east southeast in the evening.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Mostly cloudy, with a low around 61.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82.
Friday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 62.
Saturday
A chance of rain before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 60.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 72.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Swan Valley ID
 43.37°N 111.36°W (Elev. 7402 ft)
5:31 pm MDT Aug 17, 2026
10pm MDT Aug 17, 2026-6pm MDT Aug 24, 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