Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

59°F

15°C

Humidity 51%
Wind Speed NNW 5 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 30 Jun 09:00 AM PDT
Extended Forecast for

17 Miles NNE Weed CA

  • Today

    Today: Sunny, with a high near 68. West wind 6 to 10 mph.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. West northwest wind 5 to 10 mph becoming light and variable.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Areas of frost before 7am.  Otherwise, sunny, with a high near 70. Light and variable wind becoming west 5 to 9 mph in the afternoon.

    High: 70 °F

    Areas Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. West northwest wind 8 to 13 mph becoming light and variable  in the evening. Winds could gust as high as 20 mph.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Independence Day

    Independence Day: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 68. West wind 6 to 10 mph.
Tonight
Mostly clear, with a low around 37. West northwest wind 5 to 10 mph becoming light and variable.
Wednesday
Areas of frost before 7am. Otherwise, sunny, with a high near 70. Light and variable wind becoming west 5 to 9 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 40. West northwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 74. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 77.
Friday Night
Clear, with a low around 46.
Independence Day
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles NNE Weed CA
 41.61°N 122.2°W (Elev. 4941 ft)
4:40 am PDT Jun 30, 2026
9am PDT Jun 30, 2026-6pm PDT Jul 6, 2026
 
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Additional Resources

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Hourly Weather Forecast

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