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

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 11 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 02 Aug 09:20 AM PDT
Extended Forecast for

6 Miles WSW Fort Jones CA

  • Today

    Today: Sunny, with a high near 88. Light and variable wind becoming north 6 to 11 mph in the afternoon.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 50. North wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Low: 50 °F

    Clear

  • Monday

    Monday: Patchy smoke after noon. Sunny, with a high near 93. Northeast wind 3 to 6 mph.

    High: 93 °F

    Sunny then
    Patchy Smoke

  • Monday Night

    Monday Night: Clear, with a low around 60. North wind 5 to 8 mph becoming east after midnight.

    Low: 60 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 101. Calm wind becoming north around 5 mph in the afternoon.

    High: 101 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

Detailed Forecast

Today
Sunny, with a high near 88. Light and variable wind becoming north 6 to 11 mph in the afternoon.
Tonight
Clear, with a low around 50. North wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Monday
Patchy smoke after noon. Sunny, with a high near 93. Northeast wind 3 to 6 mph.
Monday Night
Clear, with a low around 60. North wind 5 to 8 mph becoming east after midnight.
Tuesday
Sunny and hot, with a high near 101. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 65.
Wednesday
Sunny and hot, with a high near 101.
Wednesday Night
Clear, with a low around 63.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Clear, with a low around 62.
Friday
Sunny and hot, with a high near 98.
Friday Night
Clear, with a low around 60.
Saturday
Sunny and hot, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Fort Jones CA
 41.58°N 122.97°W (Elev. 2946 ft)
Last Update:
4:40 am PDT Aug 2, 2026
Forecast Valid:
9am PDT Aug 2, 2026-6pm PDT Aug 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation