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.

Partly Cloudy

84°F

29°C

Humidity 30%
Wind Speed WNW 16 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 22 Aug 01:35 PM MDT
Extended Forecast for

3 Miles NNE Twin Falls 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: 86 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 7pm.  Patchy blowing dust before 9pm. Mostly cloudy, with a low around 63. Southeast wind 5 to 10 mph.  Chance of precipitation is 30%.

    Low: 63 °F

    Scattered
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 88. South southeast wind 5 to 9 mph becoming northwest in the afternoon.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. West northwest wind around 5 mph becoming calm  after midnight.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly between 11am and 2pm.  Mostly cloudy and hot, with a high near 90. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 90 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 9pm.  Mostly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a steady temperature around 86. South southwest wind 9 to 11 mph becoming west northwest. Chance of precipitation is 40%.
Tonight
Scattered showers and thunderstorms, mainly before 7pm. Patchy blowing dust before 9pm. Mostly cloudy, with a low around 63. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 88. South southeast wind 5 to 9 mph becoming northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 58. West northwest wind around 5 mph becoming calm after midnight.
Monday
A 30 percent chance of showers and thunderstorms, mainly between 11am and 2pm. Mostly cloudy and hot, with a high near 90. Calm wind becoming north northwest around 6 mph in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 59.
Tuesday
Sunny and hot, with a high near 92.
Tuesday Night
Mostly cloudy, with a low around 62.
Wednesday
Partly sunny and hot, with a high near 92.
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
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Twin Falls ID
 42.59°N 114.41°W (Elev. 3668 ft)
12:30 pm MDT Aug 22, 2026
1pm MDT Aug 22, 2026-6pm MDT Aug 28, 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