Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Joslin Field - Magic Valley Regional Airport (KTWF)

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

Clear

89°F

32°C

Humidity 16%
Wind Speed NW 12 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 27 Aug 01:53 PM MDT
Extended Forecast for

Hollister ID

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 91. North northwest wind around 9 mph.

    High: 91 °F

    Hot

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 3am.  Increasing clouds, with a low around 66. North wind 6 to 14 mph becoming south in the evening.

    Low: 66 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly cloudy, with a high near 81. Southwest wind 8 to 15 mph becoming northwest in the afternoon.

    High: 81 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 56. West wind 9 to 13 mph becoming south after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after noon.  Patchy smoke before 7am. Partly sunny, with a high near 79. South wind 7 to 11 mph.  Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Partly cloudy, with a low around 52. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers after noon.  Mostly sunny, with a high near 82.

    High: 82 °F

    Sunny then
    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 91. North northwest wind around 9 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 66. North wind 6 to 14 mph becoming south in the evening.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 81. Southwest wind 8 to 15 mph becoming northwest in the afternoon.
Friday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 56. West wind 9 to 13 mph becoming south after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers, with thunderstorms also possible after noon. Patchy smoke before 7am. Partly sunny, with a high near 79. South wind 7 to 11 mph. Chance of precipitation is 40%.
Saturday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 52. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 50.
Monday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Hollister ID
 42.35°N 114.58°W (Elev. 4511 ft)
12:29 pm MDT Aug 27, 2026
2pm MDT Aug 27, 2026-6pm MDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

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National Digital Forecast Database