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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Hazardous Weather Conditions

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Overcast

47°F

8°C

Humidity 65%
Wind Speed N 12 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 10 Oct 06:53 AM PDT
Extended Forecast for

Yreka CA

Freeze Watch October 12, 02:00am until October 12, 09:00am
Freeze Warning October 11, 02:00am until October 11, 08:00am
Click here for hazard details and duration
Freeze Watch
Freeze Warning

  • Today

    Today: Sunny, with a high near 64. Light northeast wind becoming north northeast 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. North northwest wind 5 to 8 mph becoming calm.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. Northeast wind 8 to 15 mph, with gusts as high as 23 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 33. Northeast wind 9 to 15 mph, with gusts as high as 23 mph.

    Low: 33 °F

    Clear

  • Columbus Day

    Columbus Day: Widespread frost between 8am and 9am. Otherwise, sunny, with a high near 64. Northeast wind 3 to 5 mph.

    High: 64 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 35.

    Low: 35 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 64. Light northeast wind becoming north northeast 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 34. North northwest wind 5 to 8 mph becoming calm.
Sunday
Sunny, with a high near 64. Northeast wind 8 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Clear, with a low around 33. Northeast wind 9 to 15 mph, with gusts as high as 23 mph.
Columbus Day
Widespread frost between 8am and 9am. Otherwise, sunny, with a high near 64. Northeast wind 3 to 5 mph.
Monday Night
Clear, with a low around 35.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Yreka CA
 41.72°N 122.65°W (Elev. 2762 ft)
Last Update:
4:40 am PDT Oct 10, 2026
Forecast Valid:
7am PDT Oct 10, 2026-6pm PDT Oct 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation