Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Joslin Field - Magic Valley Regional Airport (KTWF)

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

Clear

73°F

23°C

Humidity 23%
Wind Speed SSW 12 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 01 Aug 03:35 AM MDT
Extended Forecast for

12 Miles S Castleford ID

  • Overnight

    Overnight: Clear, with a steady temperature around 73. South southwest wind around 11 mph.

    Low: 73 °F

    Clear

  • Saturday

    Saturday: Patchy smoke after 8am. Sunny and hot, with a high near 101. South southwest wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 101 °F

    Patchy Smoke

  • Saturday Night

    Saturday Night: Patchy smoke. Mostly clear, with a low around 63. Northwest wind 8 to 16 mph becoming west southwest after midnight. Winds could gust as high as 28 mph.

    Low: 63 °F

    Patchy Smoke

  • Sunday

    Sunday: Patchy smoke. Sunny, with a high near 87. West southwest wind 13 to 17 mph becoming northwest in the afternoon.

    High: 87 °F

    Patchy Smoke

  • Sunday Night

    Sunday Night: Patchy smoke. Clear, with a low around 55. North northwest wind 10 to 17 mph becoming west southwest after midnight. Winds could gust as high as 26 mph.

    Low: 55 °F

    Patchy Smoke

  • Monday

    Monday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

Detailed Forecast

Overnight
Clear, with a steady temperature around 73. South southwest wind around 11 mph.
Saturday
Patchy smoke after 8am. Sunny and hot, with a high near 101. South southwest wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
Patchy smoke. Mostly clear, with a low around 63. Northwest wind 8 to 16 mph becoming west southwest after midnight. Winds could gust as high as 28 mph.
Sunday
Patchy smoke. Sunny, with a high near 87. West southwest wind 13 to 17 mph becoming northwest in the afternoon.
Sunday Night
Patchy smoke. Clear, with a low around 55. North northwest wind 10 to 17 mph becoming west southwest after midnight. Winds could gust as high as 26 mph.
Monday
Sunny, with a high near 82.
Monday Night
Clear, with a low around 53.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Clear, with a low around 58.
Wednesday
Sunny and hot, with a high near 95.
Wednesday Night
Clear, with a low around 64.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Clear, with a low around 64.
Friday
Sunny and hot, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles S Castleford ID
 42.34°N 114.87°W (Elev. 4659 ft)
12:29 am MDT Aug 1, 2026
3am MDT Aug 1, 2026-6pm MDT Aug 7, 2026
 
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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