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

19°F

-7°C

Humidity 92%
Wind Speed E 5 MPH
Barometer 30.51 in (1033.19 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 30 Dec 01:35 AM MST
Extended Forecast for

Castleford ID

Air Stagnation Advisory December 30, 01:59am until January 1, 10:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory December 30, 01:59am until January 1, 10:00am

    NOW until 10:00am Thu

    Air Stagnation Advisory

  • Overnight

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 41. Light and variable wind becoming east northeast 5 to 7 mph in the morning.

    High: 41 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20. Southeast wind around 5 mph.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 44. East wind around 6 mph.

    High: 44 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28. Southeast wind 3 to 5 mph.

    Low: 28 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 50 percent chance of rain. Cloudy, with a high near 44.

    High: 44 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

  • Friday

    Friday: A 20 percent chance of rain before 11am. Partly sunny, with a high near 53.

    High: 53 °F

    Slight Chance
    Rain then
    Partly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 18. Light east wind.
Tuesday
Sunny, with a high near 41. Light and variable wind becoming east northeast 5 to 7 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 20. Southeast wind around 5 mph.
Wednesday
Partly sunny, with a high near 44. East wind around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 28. Southeast wind 3 to 5 mph.
New Year's Day
A 50 percent chance of rain. Cloudy, with a high near 44.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 33.
Friday
A 20 percent chance of rain before 11am. Partly sunny, with a high near 53.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 35.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 50.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 31.
Sunday
A chance of rain and snow. Partly sunny, with a high near 48. Chance of precipitation is 30%.
Sunday Night
A 20 percent chance of rain. Partly cloudy, with a low around 28.
Monday
A slight chance of rain and snow. Partly sunny, with a high near 46. 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 29, 2025
Forecast Valid:
1am MST Dec 30, 2025-6pm MST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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