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 3 MPH
Barometer 30.4 in (1029.46 mb)
Dewpoint 21°F (-6°C)
Visibility 0.25 mi
Last update 19 Jan 06:35 AM MST
Extended Forecast for

6 Miles S Twin Falls ID

Air Stagnation Advisory January 19, 06:46am until January 22, 11:00am
Dense Fog Advisory until January 19, 11:00am
Click here for hazard details and duration
Air Stagnation Advisory
...
  •  
    Air Stagnation Advisory January 19, 06:46am until January 22, 11:00am
    Dense Fog Advisory until January 19, 11:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • M.L.King Day

    High: 30 °F

    Areas Dense
    Fog

  • Tonight

    Tonight: Patchy dense fog after 8pm. Otherwise, cloudy, with a low around 22. Calm wind becoming southwest around 6 mph after midnight.

    Low: 22 °F

    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Areas of dense fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 32. Southwest wind 6 to 8 mph becoming west northwest in the afternoon.

    High: 32 °F

    Areas Dense
    Fog then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20. North northwest wind around 5 mph becoming light and variable.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. South southwest wind around 6 mph becoming north in the morning.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

M.L.King Day
Areas of dense fog before 2pm. Otherwise, cloudy, with a high near 30. Calm wind becoming north northeast around 5 mph.
Tonight
Patchy dense fog after 8pm. Otherwise, cloudy, with a low around 22. Calm wind becoming southwest around 6 mph after midnight.
Tuesday
Areas of dense fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 32. Southwest wind 6 to 8 mph becoming west northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 20. North northwest wind around 5 mph becoming light and variable.
Wednesday
Mostly sunny, with a high near 35. South southwest wind around 6 mph becoming north in the morning.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 39.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 40.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Sunny, with a high near 41.
Saturday Night
Mostly clear, with a low around 23.
Sunday
Mostly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Twin Falls ID
 42.47°N 114.48°W (Elev. 4180 ft)
Last Update:
2:04 am MST Jan 19, 2026
Forecast Valid:
6am 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