Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. 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 27%
Wind Speed N 6 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 22 Jun 12:20 AM PDT
Extended Forecast for

5 Miles NNE Montague CA

Heat Advisory June 22, 11:00am until June 23, 11:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Clear, with a low around 52. North northwest wind 3 to 7 mph.

    Low: 52 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 95. Calm wind becoming north around 5 mph in the afternoon.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 57. North northwest wind 8 to 13 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.

    Low: 57 °F

    Clear

  • Tuesday

    Tuesday: A slight chance of thunderstorms after 5pm.  Sunny, with a high near 93. Light and variable wind.  Chance of precipitation is 10%.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of thunderstorms before 8pm.  Mostly clear, with a low around 56. North wind 6 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    T-storms then
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 52. North northwest wind 3 to 7 mph.
Monday
Sunny, with a high near 95. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Clear, with a low around 57. North northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Tuesday
A slight chance of thunderstorms after 5pm. Sunny, with a high near 93. Light and variable wind. Chance of precipitation is 10%.
Tuesday Night
A slight chance of thunderstorms before 8pm. Mostly clear, with a low around 56. North wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 52.
Friday
A slight chance of rain before 11am. Mostly sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 74.
Saturday Night
Clear, with a low around 42. Breezy.
Sunday
Sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Montague CA
 41.79°N 122.49°W (Elev. 2598 ft)
12:06 am PDT Jun 22, 2026
12am PDT Jun 22, 2026-6pm PDT Jun 28, 2026
 
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