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

Montague Siskiyou County Airport (KSIY)

Lat: 41.77375°NLon: 122.46817°WElev: 2644.0ft.

Clear

66°F

19°C

Humidity 52%
Wind Speed N 8 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 01 Aug 02:35 AM PDT
Extended Forecast for

3 Miles SSW Fort Jones CA

  • Overnight

    Overnight: Mostly clear, with a low around 56. Light north northeast wind.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90. Light and variable wind becoming north northwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49. North northwest wind 5 to 14 mph becoming east in the evening. Winds could gust as high as 21 mph.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 51. Northwest wind 5 to 13 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.

    Low: 51 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 56. Light north northeast wind.
Saturday
Sunny, with a high near 90. Light and variable wind becoming north northwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Mostly clear, with a low around 49. North northwest wind 5 to 14 mph becoming east in the evening. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 88. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.
Sunday Night
Clear, with a low around 51. Northwest wind 5 to 13 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 93.
Monday Night
Clear, with a low around 57.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Clear, with a low around 61.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
Clear, with a low around 60.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Clear, with a low around 59.
Friday
Sunny and hot, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Fort Jones CA
 41.56°N 122.84°W (Elev. 2733 ft)
1:56 am PDT Aug 1, 2026
2am PDT Aug 1, 2026-6pm PDT Aug 7, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database