Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Current conditions at

Joslin Field - Magic Valley Regional Airport (KTWF)

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

haze

72°F

22°C

Humidity 28%
Wind Speed WSW 10 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 37°F (3°C)
Visibility 6.00 mi
Last update 29 Jul 08:00 AM MDT
Extended Forecast for

2 Miles NNW Twin Falls ID

Red Flag Warning July 29, 02:00pm until July 29, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  • Today

    Today: Isolated showers and thunderstorms before noon, then scattered showers and thunderstorms after 3pm.  Widespread smoke, mainly before 9am. Mostly sunny and hot, with a high near 93. West southwest wind 6 to 11 mph becoming southwest 13 to 18 mph in the afternoon. Winds could gust as high as 36 mph.  Chance of precipitation is 30%.

    High: 93 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 9pm.  Patchy smoke before 7pm, then patchy smoke after 2am. Mostly clear, with a low around 63. East wind 6 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    Low: 63 °F

    Isolated
    T-storms then
    Patchy Smoke

  • Thursday

    Thursday: Patchy smoke. Sunny and hot, with a high near 98. East wind 5 to 7 mph becoming west northwest in the afternoon.

    High: 98 °F

    Patchy Smoke

  • Thursday Night

    Thursday Night: Patchy smoke. Mostly clear, with a low around 63. North northwest wind around 6 mph becoming calm.

    Low: 63 °F

    Patchy Smoke

  • Friday

    Friday: Patchy smoke. Sunny and hot, with a high near 98. Light and variable wind becoming southwest around 6 mph in the morning.

    High: 98 °F

    Patchy Smoke

  • Friday Night

    Friday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

Today
Isolated showers and thunderstorms before noon, then scattered showers and thunderstorms after 3pm. Widespread smoke, mainly before 9am. Mostly sunny and hot, with a high near 93. West southwest wind 6 to 11 mph becoming southwest 13 to 18 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 30%.
Tonight
Isolated showers and thunderstorms before 9pm. Patchy smoke before 7pm, then patchy smoke after 2am. Mostly clear, with a low around 63. East wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday
Patchy smoke. Sunny and hot, with a high near 98. East wind 5 to 7 mph becoming west northwest in the afternoon.
Thursday Night
Patchy smoke. Mostly clear, with a low around 63. North northwest wind around 6 mph becoming calm.
Friday
Patchy smoke. Sunny and hot, with a high near 98. Light and variable wind becoming southwest around 6 mph in the morning.
Friday Night
Clear, with a low around 63.
Saturday
Sunny and hot, with a high near 102.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 88.
Sunday Night
Clear, with a low around 61.
Monday
Sunny and hot, with a high near 91.
Monday Night
Clear, with a low around 61.
Tuesday
Sunny and hot, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Twin Falls ID
 42.58°N 114.47°W (Elev. 3625 ft)
7:39 am MDT Jul 29, 2026
8am MDT Jul 29, 2026-6pm MDT Aug 4, 2026
 
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Additional Resources

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National Digital Forecast Database