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 >
Hazardous Weather Conditions
Current conditions at
Montague Siskiyou County Airport (KSIY)
Lat: 41.77375°NLon: 122.46817°WElev: 2644.0ft.
Clear
68°F
20°C
| Humidity | 34% |
| Wind Speed | NNW 3 MPH |
| Barometer | 30.06 in (1017.95 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 21 Aug 08:15 AM PDT |
Extended Forecast for
13 Miles NNE Yreka CA
Red Flag Warning August 21, 02:00pm until August 21, 09:00pm
Today
High: 93 °F
Mostly Cloudy
Tonight
Low: 58 °F
Mostly Clear
Saturday
High: 90 °F
Sunny
Saturday Night
Low: 55 °F
Clear
Sunday
High: 92 °F
Sunny
Sunday Night
Low: 58 °F
Mostly Clear
Monday
High: 95 °F
Sunny
Monday Night
Low: 59 °F
Mostly Clear
Tuesday
High: 93 °F
Sunny
Detailed Forecast
Today
Mostly cloudy, with a high near 93. Light and variable wind becoming south 10 to 15 mph in the afternoon. Winds could gust as high as 22 mph.
Tonight
Mostly clear, with a low around 58. South southeast wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Saturday
Sunny, with a high near 90. Calm wind becoming west 5 to 8 mph in the afternoon.
Saturday Night
Clear, with a low around 55. West northwest wind 11 to 16 mph becoming light north northwest in the evening. Winds could gust as high as 24 mph.
Sunday
Sunny, with a high near 92. Light and variable wind.
Sunday Night
Mostly clear, with a low around 58.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 90.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
13 Miles NNE Yreka CA
41.91°N 122.55°W (Elev. 2198 ft)
41.91°N 122.55°W (Elev. 2198 ft)
4:40 am PDT Aug 21, 2026
8am PDT Aug 21, 2026-6pm PDT Aug 27, 2026
Additional Resources
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Hourly Weather Forecast
