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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

39°F

4°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 17 Mar 08:35 AM PDT
Extended Forecast for

5 Miles W Fort Jones CA

  • Today

    Today: Sunny, with a high near 76. Calm wind.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. Southeast wind around 6 mph becoming calm after midnight.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 43. South southwest wind 5 to 8 mph.

    Low: 43 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 77. South southwest wind around 5 mph becoming calm.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 76. Calm wind.
Tonight
Mostly clear, with a low around 44. Southeast wind around 6 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 76. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Wednesday Night
Clear, with a low around 43. South southwest wind 5 to 8 mph.
Thursday
Sunny, with a high near 77. South southwest wind around 5 mph becoming calm.
Thursday Night
Mostly clear, with a low around 47.
Friday
Mostly sunny, with a high near 74.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
Partly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Fort Jones CA
 41.61°N 122.94°W (Elev. 2999 ft)
Last Update:
6:56 am PDT Mar 17, 2026
Forecast Valid:
8am PDT Mar 17, 2026-6pm PDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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