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

Hazardous Weather Conditions

Current conditions at

Joslin Field - Magic Valley Regional Airport (KTWF)

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

Clear

17°C

63°F

Humidity 33%
Wind Speed SSW 11 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 1°C (34°F)
Visibility 16 km
Last update 19 Aug 06:20 AM MDT
Extended Forecast for

Twin Falls ID

Heat Advisory August 20, 12:00pm until August 21, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Mostly sunny and hot, with a high near 34. Light and variable wind becoming north northwest 6 to 11 km/h in the morning.

    High: 34 °C

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 17. North northwest wind 5 to 13 km/h becoming south southeast after midnight.

    Low: 17 °C

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 37. Southeast wind 10 to 13 km/h becoming northwest in the afternoon.

    High: 37 °C

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19. West northwest wind 8 to 16 km/h becoming south southeast in the evening.

    Low: 19 °C

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 38. South southeast wind 8 to 14 km/h becoming east in the afternoon.

    High: 38 °C

    Hot

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 21.

    Low: 21 °C

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Partly sunny and hot, with a high near 33.

    High: 33 °C

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18.

    Low: 18 °C

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 31.

    High: 31 °C

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny and hot, with a high near 34. Light and variable wind becoming north northwest 6 to 11 km/h in the morning.
Tonight
Mostly clear, with a low around 17. North northwest wind 5 to 13 km/h becoming south southeast after midnight.
Thursday
Mostly sunny and hot, with a high near 37. Southeast wind 10 to 13 km/h becoming northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 19. West northwest wind 8 to 16 km/h becoming south southeast in the evening.
Friday
Mostly sunny and hot, with a high near 38. South southeast wind 8 to 14 km/h becoming east in the afternoon.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 21.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny and hot, with a high near 33.
Saturday Night
Mostly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 17.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny and hot, with a high near 32.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 17.
Tuesday
Mostly sunny and hot, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Twin Falls ID
 42.56°N 114.47°W (Elev. 3698 m)
Last Update:
3:53 am MDT Aug 19, 2026
Forecast Valid:
6am MDT Aug 19, 2026-6pm MDT Aug 25, 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