Areas of Dangerous Heat and Heavy Rainfall Today

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley today. Heat Advisories remain in effect. Heavy to excessive rainfall today could bring areas of flooding to parts of the northern High Plains and Midwest into the Ohio Valley. Flood Watches remain in effect. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

82°F

28°C

Humidity 20%
Wind Speed SSW 3 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 20 Sep 02:20 PM PDT
Extended Forecast for

17 Miles NNE Weed CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 77. Calm wind.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 48. Calm wind becoming east around 5 mph after midnight.

    Low: 48 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 76. Northeast wind around 6 mph becoming calm.

    High: 76 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 45. Light and variable wind.

    Low: 45 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 72. Light and variable wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 77. Calm wind.
Tonight
Increasing clouds, with a low around 48. Calm wind becoming east around 5 mph after midnight.
Monday
Partly sunny, with a high near 76. Northeast wind around 6 mph becoming calm.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 45. Light and variable wind.
Tuesday
Sunny, with a high near 72. Light and variable wind becoming west northwest 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 41.
Friday
A slight chance of rain. Mostly sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles NNE Weed CA
 41.61°N 122.2°W (Elev. 4941 ft)
1:36 pm PDT Sep 20, 2026
2pm PDT Sep 20, 2026-6pm PDT Sep 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database