Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

64°F

18°C

Humidity 34%
Wind Speed N 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 18 Oct 12:15 PM PDT
Extended Forecast for

15 Miles ESE Happy Camp CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 61. Southwest wind 3 to 6 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 42. Southwest wind 3 to 6 mph.

    Low: 42 °F

    Increasing
    Clouds

  • Monday

    Monday: A slight chance of rain and snow between 9am and 11am.  Snow level 6500 feet rising to 7000 feet in the afternoon. Mostly cloudy, with a high near 49. Calm wind becoming north northwest around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. Northwest wind around 6 mph becoming light and variable.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. East southeast wind around 7 mph.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain.  Snow level 8800 feet. Partly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A slight chance of rain.  Snow level 8200 feet. Partly sunny, with a high near 49.

    High: 49 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 61. Southwest wind 3 to 6 mph.
Tonight
Increasing clouds, with a low around 42. Southwest wind 3 to 6 mph.
Monday
A slight chance of rain and snow between 9am and 11am. Snow level 6500 feet rising to 7000 feet in the afternoon. Mostly cloudy, with a high near 49. Calm wind becoming north northwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 40. Northwest wind around 6 mph becoming light and variable.
Tuesday
Partly sunny, with a high near 54. East southeast wind around 7 mph.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
A slight chance of rain. Snow level 8800 feet. Partly cloudy, with a low around 43.
Thursday
A slight chance of rain. Snow level 8200 feet. Partly sunny, with a high near 49.
Thursday Night
A slight chance of rain before 11pm. Snow level 7900 feet lowering to 6400 feet after midnight . Partly cloudy, with a low around 34.
Friday
Sunny, with a high near 45.
Friday Night
Mostly clear, with a low around 32.
Saturday
A chance of rain and snow. Snow level 5900 feet rising to 6900 feet in the afternoon. Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ESE Happy Camp CA
 41.74°N 123.07°W (Elev. 5745 ft)
11:26 am PDT Oct 18, 2026
12pm PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
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Additional Resources

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