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

61°F

16°C

Humidity 26%
Wind Speed SE 10 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 12 Nov 04:35 PM MST
Extended Forecast for

18 Miles SW Castleford ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. South wind 11 to 17 mph.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 60. Breezy, with a south wind 20 to 23 mph, with gusts as high as 37 mph.

    High: 60 °F

    Mostly Cloudy
    and Breezy

  • Friday Night

    Friday Night: Showers before 3am, then a slight chance of showers after 4am. Low around 41. Breezy, with a south southeast wind 17 to 22 mph becoming west southwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Breezy.
    Cloudy then
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 11am. Snow level 6200 feet lowering to 5600 feet. Partly sunny, with a high near 47. Breezy, with a west wind 16 to 22 mph.

    High: 47 °F

    Breezy.
    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. West northwest wind around 10 mph becoming south after midnight.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers after 11am. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Rain showers likely before 11pm, then a chance of rain and snow showers. Snow level 6800 feet lowering to 6000 feet after midnight . Mostly cloudy, with a low around 33. Chance of precipitation is 60%.

    Low: 33 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 45. South wind 11 to 17 mph.
Friday
Mostly cloudy, with a high near 60. Breezy, with a south wind 20 to 23 mph, with gusts as high as 37 mph.
Friday Night
Showers before 3am, then a slight chance of showers after 4am. Low around 41. Breezy, with a south southeast wind 17 to 22 mph becoming west southwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 20 percent chance of showers before 11am. Snow level 6200 feet lowering to 5600 feet. Partly sunny, with a high near 47. Breezy, with a west wind 16 to 22 mph.
Saturday Night
Mostly clear, with a low around 36. West northwest wind around 10 mph becoming south after midnight.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
A 30 percent chance of showers after 11am. Mostly cloudy, with a high near 48.
Monday Night
Rain showers likely before 11pm, then a chance of rain and snow showers. Snow level 6800 feet lowering to 6000 feet after midnight . Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Tuesday
A chance of rain and snow showers before 2pm, then a chance of rain showers. Snow level 5400 feet. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.
Tuesday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Wednesday
A chance of rain and snow showers. Mostly sunny, with a high near 45. Chance of precipitation is 30%.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Thursday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 42.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
18 Miles SW Castleford ID
 42.36°N 115.14°W (Elev. 5115 ft)
Last Update:
11:32 am MST Nov 12, 2026
Forecast Valid:
4pm MST Nov 12, 2026-6pm MST Nov 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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