National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Joslin Field - Magic Valley Regional Airport (KTWF)

Lat: 42.4785°NLon: 114.47739°WElev: 4163.0ft.

Clear

48°F

9°C

Humidity 57%
Wind Speed SW 11 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 15 Oct 12:35 AM MDT
Extended Forecast for

Castleford ID

  • Overnight

    Overnight: Clear, with a low around 39. Southwest wind around 8 mph.

    Low: 39 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 64. Light and variable wind becoming east 6 to 11 mph in the afternoon.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. East wind 5 to 7 mph becoming south southeast in the evening.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Friday

    Friday: Areas of frost before 7am. Otherwise, sunny, with a high near 71. East wind 6 to 13 mph.

    High: 71 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. East wind 5 to 9 mph becoming south southeast after midnight.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 39. Southwest wind around 8 mph.
Thursday
Sunny, with a high near 64. Light and variable wind becoming east 6 to 11 mph in the afternoon.
Thursday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. East wind 5 to 7 mph becoming south southeast in the evening.
Friday
Areas of frost before 7am. Otherwise, sunny, with a high near 71. East wind 6 to 13 mph.
Friday Night
Mostly clear, with a low around 40. East wind 5 to 9 mph becoming south southeast after midnight.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 62.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 41.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 60.
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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:
12:29 am MDT Oct 15, 2026
Forecast Valid:
12am MDT Oct 15, 2026-6pm MDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation