Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Joslin Field - Magic Valley Regional Airport (KTWF)

Lat: 42.4785°NLon: 114.47739°WElev: 4163.0ft.

Clear

78°F

26°C

Humidity 21%
Wind Speed WSW 4 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 Aug 09:53 AM MDT
Extended Forecast for

16 Miles ESE Hollister ID

  • Today

    Today: Mostly sunny, with a high near 84. Light north wind increasing to 5 to 9 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. North wind 8 to 14 mph becoming south southeast after midnight. Winds could gust as high as 24 mph.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon.  Increasing clouds, with a high near 89. South wind 9 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 61. North northwest wind 9 to 14 mph becoming south after midnight.

    Low: 61 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 89. Southeast wind around 11 mph, with gusts as high as 20 mph.

    High: 89 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 60. Breezy.

    Low: 60 °F

    Chance
    Showers then
    Slight Chance
    T-storms and
    Breezy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 80. Breezy.

    High: 80 °F

    Partly Sunny
    and Breezy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 57. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 84. Light north wind increasing to 5 to 9 mph in the afternoon.
Tonight
Mostly clear, with a low around 60. North wind 8 to 14 mph becoming south southeast after midnight. Winds could gust as high as 24 mph.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 89. South wind 9 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61. North northwest wind 9 to 14 mph becoming south after midnight.
Friday
Mostly sunny, with a high near 89. Southeast wind around 11 mph, with gusts as high as 20 mph.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 60. Breezy.
Saturday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 80. Breezy.
Saturday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 76.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles ESE Hollister ID
 42.23°N 114.31°W (Elev. 6998 ft)
3:53 am MDT Aug 19, 2026
10am MDT Aug 19, 2026-6pm MDT Aug 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