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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

50°F

10°C

Humidity 46%
Wind Speed NNW 13 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 21 Mar 10:00 PM PDT
Extended Forecast for

13 Miles NW Fort Jones CA

  • Tonight

    Tonight: Partly cloudy, with a low around 37. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 71. South wind around 5 mph becoming calm in the morning.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42. Light and variable wind.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 72. Calm wind becoming west around 5 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 46. West wind 5 to 8 mph becoming light and variable in the evening.

    Low: 46 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am. Mostly sunny, with a high near 69.

    High: 69 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain before 11am. Partly sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 37. Calm wind becoming south southeast around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 71. South wind around 5 mph becoming calm in the morning.
Sunday Night
Mostly cloudy, with a low around 42. Light and variable wind.
Monday
Mostly sunny, with a high near 72. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 46. West wind 5 to 8 mph becoming light and variable in the evening.
Tuesday
A 20 percent chance of rain after 11am. Mostly sunny, with a high near 69.
Tuesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 45.
Wednesday
A slight chance of rain before 11am. Partly sunny, with a high near 66.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NW Fort Jones CA
 41.75°N 123.01°W (Elev. 1850 ft)
Last Update:
4:40 pm PDT Mar 21, 2026
Forecast Valid:
10pm PDT Mar 21, 2026-6pm PDT Mar 28, 2026
 
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Additional Resources

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Chance of Precipitation