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 N 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 17 Oct 06:15 AM PDT
Extended Forecast for

16 Miles E Happy Camp CA

  • Today

    Today: Sunny, with a high near 81. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 43. Northwest wind 5 to 7 mph.

    Low: 43 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 79. North northeast wind around 6 mph becoming calm in the morning.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. West wind 5 to 7 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 65. West wind 3 to 6 mph.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67.

    High: 67 °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 73.

    High: 73 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 81. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 43. Northwest wind 5 to 7 mph.
Sunday
Sunny, with a high near 79. North northeast wind around 6 mph becoming calm in the morning.
Sunday Night
Mostly clear, with a low around 42. West wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 65. West wind 3 to 6 mph.
Monday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 68.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 36.
Friday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles E Happy Camp CA
 41.79°N 123.06°W (Elev. 1601 ft)
Last Update:
4:40 am PDT Oct 17, 2026
Forecast Valid:
6am PDT Oct 17, 2026-6pm PDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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