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Heavy Rain in the Southern Appalachians; Heat Continues in the West; Monitoring Tropical Storm Erin

Heavy to excessive rain falling over the southern Appalachians may bring areas of flooding into Wednesday. Hot temperatures are in place through Wednesday across parts of the western U.S. and New England. Tropical Storm Erin is forecast to become a Hurricane by late this week as it moves westward across the central Atlantic Ocean. Monitor forecasts for any Puerto Rico or U.S. East Coast impacts. Read More >

Current conditions at

Joslin Field - Magic Valley Regional Airport (KTWF)

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

Clear

71°F

22°C

Humidity 27%
Wind Speed S 13 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 13 Aug 04:53 AM MDT
Extended Forecast for

Twin Falls ID

  • Today

    Today: Sunny and hot, with a high near 96. South southeast wind 5 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 96 °F

    Hot

  • Tonight

    Tonight: Increasing clouds, with a low around 65. West northwest wind 5 to 10 mph becoming south southwest in the evening. Winds could gust as high as 21 mph.

    Low: 65 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Sunny and hot, with a high near 91. Southwest wind 6 to 11 mph becoming west northwest in the afternoon.

    High: 91 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. West northwest wind 5 to 7 mph becoming southwest after midnight.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89. South southwest wind 7 to 10 mph becoming northwest in the afternoon.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon. Sunny and hot, with a high near 91.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 96. South southeast wind 5 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.
Tonight
Increasing clouds, with a low around 65. West northwest wind 5 to 10 mph becoming south southwest in the evening. Winds could gust as high as 21 mph.
Thursday
Sunny and hot, with a high near 91. Southwest wind 6 to 11 mph becoming west northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 61. West northwest wind 5 to 7 mph becoming southwest after midnight.
Friday
Sunny, with a high near 89. South southwest wind 7 to 10 mph becoming northwest in the afternoon.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny and hot, with a high near 91.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Sunny and hot, with a high near 91.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny and hot, with a high near 92.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny and hot, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Twin Falls ID
 42.56°N 114.47°W (Elev. 3698 ft)
Last Update:
3:04 am MDT Aug 13, 2025
Forecast Valid:
5am MDT Aug 13, 2025-6pm MDT Aug 19, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation