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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

36°F

2°C

Humidity 51%
Wind Speed SSW 3 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 17 Oct 05:05 AM PDT
Extended Forecast for

13 Miles E Happy Camp CA

  • Today

    Today: Sunny, with a high near 78. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 44. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 44 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 76. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. West southwest wind around 7 mph.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 62. West wind 3 to 7 mph.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 78. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 44. North northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Sunny, with a high near 76. Light and variable wind becoming west around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 42. West southwest wind around 7 mph.
Monday
Mostly sunny, with a high near 62. West wind 3 to 7 mph.
Monday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 66.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 36.
Friday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles E Happy Camp CA
 41.8°N 123.12°W (Elev. 2047 ft)
Last Update:
4:40 am PDT Oct 17, 2026
Forecast Valid:
5am PDT Oct 17, 2026-6pm PDT Oct 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation