Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Joslin Field - Magic Valley Regional Airport (KTWF)

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

Mostly Cloudy

86°F

30°C

Humidity 28%
Wind Speed WNW 18 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 22 Aug 01:00 PM MDT
Extended Forecast for

4 Miles S Hollister ID

Red Flag Warning until August 23, 12:00am
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until August 23, 12:00am

    NOW until 12:00am Sun

    Red Flag Warning

  • This Afternoon

    High: 91 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 9pm.  Patchy blowing dust before midnight. Mostly cloudy, with a low around 63. South wind 9 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 40%.

    Low: 63 °F

    Scattered
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Isolated showers and thunderstorms between 11am and 2pm.  Mostly sunny, with a high near 87. South wind 6 to 9 mph becoming north in the afternoon.  Chance of precipitation is 20%.

    High: 87 °F

    Isolated
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57. Light and variable wind becoming south 5 to 7 mph after midnight.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly after 9am.  Mostly cloudy, with a high near 89. South southeast wind 5 to 8 mph becoming north northeast in the afternoon.

    High: 89 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 10pm.  Mostly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 90.

    High: 90 °F

    Hot

  • Tuesday Night

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

    Low: 61 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Mostly cloudy and hot, with a high near 91. Southwest wind 11 to 13 mph becoming east southeast. Winds could gust as high as 24 mph. Chance of precipitation is 50%.
Tonight
Scattered showers and thunderstorms, mainly before 9pm. Patchy blowing dust before midnight. Mostly cloudy, with a low around 63. South wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Sunday
Isolated showers and thunderstorms between 11am and 2pm. Mostly sunny, with a high near 87. South wind 6 to 9 mph becoming north in the afternoon. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 57. Light and variable wind becoming south 5 to 7 mph after midnight.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 9am. Mostly cloudy, with a high near 89. South southeast wind 5 to 8 mph becoming north northeast in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 59.
Tuesday
Mostly sunny and hot, with a high near 90.
Tuesday Night
Mostly cloudy, with a low around 61.
Wednesday
Mostly sunny and hot, with a high near 91.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 88.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Hollister ID
 42.29°N 114.59°W (Elev. 4695 ft)
12:30 pm MDT Aug 22, 2026
1pm MDT Aug 22, 2026-6pm MDT Aug 28, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database