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.

freezing fog

23°F

-5°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.39 in (1029.12 mb)
Dewpoint 21°F (-6°C)
Visibility 0.25 mi
Last update 19 Jan 05:35 AM MST
Extended Forecast for

Twin Falls ID

Air Stagnation Advisory January 19, 05:46am until January 22, 11:00am
Dense Fog Advisory until January 19, 11:00am
Click here for hazard details and duration
Air Stagnation Advisory
Dense Fog Advisory
  •  
    Air Stagnation Advisory January 19, 05:46am until January 22, 11:00am
    Dense Fog Advisory until January 19, 11:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 24 °F

    Areas Dense
    Fog

  • M.L.King Day

    M.L.King Day: Areas of dense fog before 2pm. Otherwise, cloudy, with a high near 30. Calm wind.

    High: 30 °F

    Areas Dense
    Fog

  • Monday Night

    Monday Night: Patchy dense fog after 8pm. Otherwise, cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Areas of dense fog before 11am. Otherwise, mostly cloudy, with a high near 31. Light and variable wind becoming west northwest around 6 mph in the afternoon.

    High: 31 °F

    Areas Dense
    Fog then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22. Light and variable wind.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Overnight
Areas of dense fog. Otherwise, cloudy, with a low around 24. Calm wind.
M.L.King Day
Areas of dense fog before 2pm. Otherwise, cloudy, with a high near 30. Calm wind.
Monday Night
Patchy dense fog after 8pm. Otherwise, cloudy, with a low around 23. Calm wind.
Tuesday
Areas of dense fog before 11am. Otherwise, mostly cloudy, with a high near 31. Light and variable wind becoming west northwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 22. Light and variable wind.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
Partly sunny, with a high near 39.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 40.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Mostly sunny, with a high near 46.
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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:
2:04 am MST Jan 19, 2026
Forecast Valid:
5am MST Jan 19, 2026-6pm MST Jan 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