Hot Temperatures in the Northwest U.S.; Excessive Rainfall Potential in the Southwest U.S.

Hot to extremely hot daytime temperatures remain in place across coastal southern California and the interior Northwest, with the Northwest carrying the potential for record-breaking high temperatures. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring a marginal to slight risk of excessive rainfall across the southwest U.S. this week. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Rain

72°F

22°C

Humidity 43%
Wind Speed NNE 4 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 03 Sep 01:35 AM PDT
Extended Forecast for

Yreka CA

  • Overnight

    Overnight: A 20 percent chance of showers.  Mostly cloudy, with a low around 64. West wind 3 to 5 mph.

    Low: 64 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm.  Areas of smoke after 2pm. Mostly sunny, with a high near 94. Light and variable wind.  Chance of precipitation is 20%.

    High: 94 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Areas of smoke after 2am. Mostly clear, with a low around 62. North northeast wind around 6 mph becoming calm  after midnight.

    Low: 62 °F

    Partly Cloudy
    then Areas
    Smoke

  • Thursday

    Thursday: Areas of smoke before 8am. Mostly sunny and hot, with a high near 96. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 96 °F

    Areas Smoke
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. Southwest wind around 7 mph becoming west northwest in the evening.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers before 11pm.  Partly cloudy, with a low around 58.

    Low: 58 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 64. West wind 3 to 5 mph.
Wednesday
A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Areas of smoke after 2pm. Mostly sunny, with a high near 94. Light and variable wind. Chance of precipitation is 20%.
Wednesday Night
Areas of smoke after 2am. Mostly clear, with a low around 62. North northeast wind around 6 mph becoming calm after midnight.
Thursday
Areas of smoke before 8am. Mostly sunny and hot, with a high near 96. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 62. Southwest wind around 7 mph becoming west northwest in the evening.
Friday
Sunny, with a high near 91.
Friday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 58.
Saturday
Sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 56.
Monday
A chance of showers. Mostly sunny, with a high near 80.
Monday Night
A chance of showers. Partly cloudy, with a low around 54.
Tuesday
A chance of showers. Partly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Yreka CA
 41.72°N 122.65°W (Elev. 2762 ft)
1:40 am PDT Sep 3, 2025
1am PDT Sep 3, 2025-6pm PDT Sep 9, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database