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

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

57°F

14°C

Humidity 58%
Wind Speed N 0 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 23 Aug 08:00 AM PDT
Extended Forecast for

10 Miles NW Weed CA

  • Today

    Today: Sunny, with a high near 90. Light and variable wind.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Calm wind becoming north around 5 mph after midnight.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92. Light and variable wind becoming south 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. South southeast wind 8 to 17 mph, with gusts as high as 26 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90. Light south wind increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 90 °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. Light and variable wind.
Tonight
Mostly clear, with a low around 55. Calm wind becoming north around 5 mph after midnight.
Monday
Sunny, with a high near 92. Light and variable wind becoming south 12 to 17 mph in the afternoon. Winds could gust as high as 26 mph.
Monday Night
Mostly clear, with a low around 57. South southeast wind 8 to 17 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 90. Light south wind increasing to 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 53.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NW Weed CA
 41.54°N 122.51°W (Elev. 2799 ft)
Last Update:
4:40 am PDT Aug 23, 2026
Forecast Valid:
8am PDT Aug 23, 2026-6pm PDT Aug 29, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation