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Record Warmth Lingers; Fire Weather Concerns; Unsettled Pacific Northwest

More record warm temperatures are forecast this week from California, Southwest, Plains then into the Mississippi Valley and Southeast. The warmth combining with dry conditions may result in elevated to locally critical fire weather conditions. Meanwhile, another Pacific system will move across the Pacific Northwest with lower elevation rain and mountain snows. For Hawaii, conditions improving. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

54°F

12°C

Humidity 62%
Wind Speed ESE 3 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 22 Mar 07:35 PM PDT
Extended Forecast for

11 Miles NNW Yreka CA

  • Tonight

    Tonight: Areas of frost after 5am. Otherwise, mostly cloudy, with a low around 41. Light and variable wind.

    Low: 41 °F

    Mostly Cloudy
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 75 °F

    Areas Frost
    then Sunny

  • Monday Night

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

    Low: 46 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. Light south wind becoming southwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 46. West southwest wind 6 to 11 mph becoming light in the evening.

    Low: 46 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Areas of frost after 5am. Otherwise, mostly cloudy, with a low around 41. Light and variable wind.
Monday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming west southwest around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 46. West wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 75. Light south wind becoming southwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 46. West southwest wind 6 to 11 mph becoming light in the evening.
Wednesday
Partly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNW Yreka CA
 41.86°N 122.75°W (Elev. 2001 ft)
Last Update:
4:40 pm PDT Mar 22, 2026
Forecast Valid:
7pm PDT Mar 22, 2026-6pm PDT Mar 29, 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