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

88°F

31°C

Humidity 11%
Wind Speed W 11 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 27 Aug 11:20 AM MDT
Extended Forecast for

6 Miles SSW Twin Falls ID

  • Today

    Today: Isolated showers and thunderstorms before noon.  Patchy smoke before 1pm. Sunny and hot, with a high near 90. West northwest wind 6 to 8 mph becoming north in the afternoon.  Chance of precipitation is 20%.

    High: 90 °F

    Isolated
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after midnight.  Increasing clouds, with a low around 68. Light and variable wind becoming south southwest 8 to 13 mph in the evening. Winds could gust as high as 28 mph.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a steady temperature around 72. West southwest wind 5 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 60%.

    High: 72 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 58. Northwest wind around 8 mph becoming south in the evening.

    Low: 58 °F

    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 78. West southwest wind 5 to 9 mph.

    High: 78 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 80.

    High: 80 °F

    Sunny then
    Slight Chance
    Showers

Detailed Forecast

Today
Isolated showers and thunderstorms before noon. Patchy smoke before 1pm. Sunny and hot, with a high near 90. West northwest wind 6 to 8 mph becoming north in the afternoon. Chance of precipitation is 20%.
Tonight
A 20 percent chance of showers and thunderstorms after midnight. Increasing clouds, with a low around 68. Light and variable wind becoming south southwest 8 to 13 mph in the evening. Winds could gust as high as 28 mph.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a steady temperature around 72. West southwest wind 5 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Northwest wind around 8 mph becoming south in the evening.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. West southwest wind 5 to 9 mph.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 49.
Monday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 80.
Monday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 54.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Twin Falls ID
 42.47°N 114.48°W (Elev. 4180 ft)
7:52 am MDT Aug 27, 2026
11am MDT Aug 27, 2026-6pm MDT Sep 2, 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