National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Joslin Field - Magic Valley Regional Airport (KTWF)

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

Clear

67°F

19°C

Humidity 18%
Wind Speed NNW 5 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 21 May 03:53 PM MDT
Extended Forecast for

Twin Falls ID

  • Tonight

    Tonight: Increasing clouds, with a low around 43. West northwest wind 5 to 7 mph becoming east southeast after midnight.

    Low: 43 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Light and variable wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 76 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45. Northwest wind 5 to 7 mph becoming south southeast after midnight.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. West wind 5 to 9 mph becoming south southeast in the evening.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 43. West northwest wind 5 to 7 mph becoming east southeast after midnight.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 76. Light and variable wind becoming north northwest 5 to 8 mph in the afternoon.
Friday Night
Mostly clear, with a low around 45. Northwest wind 5 to 7 mph becoming south southeast after midnight.
Saturday
Sunny, with a high near 84. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 54. West wind 5 to 9 mph becoming south southeast in the evening.
Sunday
Sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 53.
Memorial Day
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 70.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 42. Breezy.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 71.
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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:
12:29 pm MDT May 21, 2026
Forecast Valid:
4pm MDT May 21, 2026-6pm MDT May 28, 2026
 
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