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

25°F

-4°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 23°F (-5°C)
Visibility 0.13 mi
Last update 18 Jan 03:15 AM MST
Extended Forecast for

Twin Falls ID

Air Stagnation Advisory January 18, 03:33am until January 22, 11:00am
Dense Fog Advisory until January 18, 11:00am
Click here for hazard details and duration
Air Stagnation Advisory
Dense Fog Advisory
  •  
    Air Stagnation Advisory January 18, 03:33am until January 22, 11:00am
    Dense Fog Advisory until January 18, 11:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 23 °F

    Dense Fog

  • Sunday

    Sunday: Widespread dense fog, mainly before 11am. Otherwise, mostly cloudy, with a high near 36. Light and variable wind.

    High: 36 °F

    Dense Fog

  • Sunday Night

    Sunday Night: Patchy fog after 8pm. Otherwise, cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Patchy Fog

  • M.L.King Day

    M.L.King Day: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 36. Light and variable wind.

    High: 36 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. Light and variable wind.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 24 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

Detailed Forecast

Overnight
Widespread dense fog. Otherwise, mostly cloudy, with a low around 23. Calm wind.
Sunday
Widespread dense fog, mainly before 11am. Otherwise, mostly cloudy, with a high near 36. Light and variable wind.
Sunday Night
Patchy fog after 8pm. Otherwise, cloudy, with a low around 24. Calm wind.
M.L.King Day
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 36. Light and variable wind.
Monday Night
Partly cloudy, with a low around 24. Light and variable wind.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Partly sunny, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Partly sunny, with a high near 44.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 42.
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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:
3:29 am MST Jan 18, 2026
Forecast Valid:
3am MST Jan 18, 2026-6pm MST Jan 24, 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