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

25°F

-4°C

Humidity 62%
Wind Speed WNW 3 MPH
Barometer 30.53 in (1033.86 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 28 Dec 05:53 PM MST
Extended Forecast for

Castleford ID

Air Stagnation Advisory until January 1, 10:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory until January 1, 10:00am

    NOW until 10:00am Thu

    Air Stagnation Advisory

  • Tonight

    Low: 16 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 38. Light and variable wind becoming east around 6 mph in the morning.

    High: 38 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 18. Southeast wind 3 to 5 mph.

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 42. Light and variable wind becoming east northeast around 6 mph in the afternoon.

    High: 42 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. Light and variable wind.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 30 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 16. Light and variable wind.
Monday
Sunny, with a high near 38. Light and variable wind becoming east around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 18. Southeast wind 3 to 5 mph.
Tuesday
Sunny, with a high near 42. Light and variable wind becoming east northeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 21. Light and variable wind.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 27.
New Year's Day
A 30 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 44.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 32.
Friday
A 30 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 50.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 32.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 48.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Sunday
A slight chance of rain and snow. Partly sunny, with a high near 48. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castleford ID
 42.52°N 114.88°W (Elev. 3898 ft)
Last Update:
2:04 pm MST Dec 28, 2025
Forecast Valid:
6pm MST Dec 28, 2025-6pm MST Jan 4, 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