Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

50°F

10°C

Humidity 61%
Wind Speed NE 3 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 23 Aug 04:35 AM PDT
Extended Forecast for

8 Miles SE Montague CA

  • Today

    Today: Sunny, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. North wind around 6 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93. Light and variable wind becoming south 10 to 15 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. South wind 11 to 16 mph becoming light southeast. Winds could gust as high as 24 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91. Light and variable wind becoming south 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 91 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly 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

Detailed Forecast

Today
Sunny, with a high near 90. Calm wind becoming northwest around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 55. North wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 93. Light and variable wind becoming south 10 to 15 mph in the afternoon. Winds could gust as high as 23 mph.
Monday Night
Mostly clear, with a low around 57. South wind 11 to 16 mph becoming light southeast. Winds could gust as high as 24 mph.
Tuesday
Mostly sunny, with a high near 91. Light and variable wind becoming south 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 55.
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
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SE Montague CA
 41.67°N 122.39°W (Elev. 2799 ft)
4:40 am PDT Aug 23, 2026
4am PDT Aug 23, 2026-6pm PDT Aug 29, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database