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

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Joslin Field - Magic Valley Regional Airport (KTWF)

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

Clear

86°F

30°C

Humidity 28%
Wind Speed E 10 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 50°F (10°C)
Visibility 9.00 mi
Heat Index84°F (29°C)
Last update 29 Jul 06:53 PM MDT
Extended Forecast for

14 Miles WSW Hollister ID

Red Flag Warning until July 29, 09:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning until July 29, 09:00pm

    NOW until 9:00pm Wed

    Red Flag Warning

  • Tonight

    Low: 61 °F

    Mostly Clear
    then Patchy
    Smoke

  • Thursday

    Thursday: Patchy smoke. Sunny and hot, with a high near 96. South wind 5 to 9 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 96 °F

    Patchy Smoke

  • Thursday Night

    Thursday Night: Patchy smoke. Mostly clear, with a low around 61. North wind 7 to 9 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.

    Low: 61 °F

    Patchy Smoke

  • Friday

    Friday: Patchy smoke. Sunny and hot, with a high near 96. West southwest wind around 9 mph becoming north in the afternoon.

    High: 96 °F

    Patchy Smoke

  • Friday Night

    Friday Night: Clear, with a low around 62. North northeast wind around 9 mph becoming southwest after midnight.

    Low: 62 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86. Breezy.

    High: 86 °F

    Sunny and
    Breezy then
    Sunny

Detailed Forecast

Tonight
Patchy smoke before 1am, then patchy smoke after 2am. Mostly clear, with a low around 61. East southeast wind 8 to 15 mph becoming south after midnight.
Thursday
Patchy smoke. Sunny and hot, with a high near 96. South wind 5 to 9 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Patchy smoke. Mostly clear, with a low around 61. North wind 7 to 9 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.
Friday
Patchy smoke. Sunny and hot, with a high near 96. West southwest wind around 9 mph becoming north in the afternoon.
Friday Night
Clear, with a low around 62. North northeast wind around 9 mph becoming southwest after midnight.
Saturday
Sunny and hot, with a high near 99.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny, with a high near 86. Breezy.
Sunday Night
Clear, with a low around 54.
Monday
Sunny, with a high near 84.
Monday Night
Clear, with a low around 56.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Clear, with a low around 59.
Wednesday
Sunny and hot, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles WSW Hollister ID
 42.3°N 114.86°W (Elev. 4993 ft)
Last Update:
12:28 pm MDT Jul 29, 2026
Forecast Valid:
7pm MDT Jul 29, 2026-6pm MDT Aug 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation