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

Dangerous Heat to Continue through the Holiday Weekend; Severe Storms on Friday from the Plains to the Mid-Atlantic

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing across the eastern U.S. through the Independence Day holiday weekend. Peak heat indices of up to 115 degrees are possible. Isolated to scattered severe thunderstorms are possible from the northern/central Plains into the Midwest, Ohio Valley, and Mid-Atlantic Friday. 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 45%
Wind Speed NNW 10 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 03 Jul 12:00 AM PDT
Extended Forecast for

15 Miles NNE Montague CA

  • Overnight

    Overnight: Clear, with a low around 50. North wind around 5 mph becoming calm.

    Low: 50 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 90. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 54. North northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.

    Low: 54 °F

    Clear

  • Independence Day

    Independence Day: Sunny, with a high near 93. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 56. North northwest wind 9 to 14 mph becoming light north northeast after midnight. Winds could gust as high as 22 mph.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 50. North wind around 5 mph becoming calm.
Friday
Sunny, with a high near 90. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Clear, with a low around 54. North northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Independence Day
Sunny, with a high near 93. Calm wind becoming west northwest around 6 mph in the afternoon.
Saturday Night
Clear, with a low around 56. North northwest wind 9 to 14 mph becoming light north northeast after midnight. Winds could gust as high as 22 mph.
Sunday
Sunny, with a high near 94.
Sunday Night
Partly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 90.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NNE Montague CA
 41.91°N 122.4°W (Elev. 2615 ft)
Last Update:
11:36 pm PDT Jul 2, 2026
Forecast Valid:
12am PDT Jul 3, 2026-6pm PDT Jul 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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