Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest
Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >
Current conditions at
Montague Siskiyou County Airport (KSIY)
Lat: 41.77375°NLon: 122.46817°WElev: 2644.0ft.
Clear
86°F
30°C
| Humidity | 22% |
| Wind Speed | N 0 MPH |
| Barometer | 30.1 in (1019.3 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 18 Aug 12:35 PM PDT |
Extended Forecast for
Montague CA
This Afternoon
High: 95 °F
Sunny
Tonight
Low: 58 °F
Mostly Clear
Wednesday
High: 97 °F
Hot
Wednesday Night
Low: 59 °F
Mostly Clear
Thursday
High: 97 °F
Hot
Thursday Night
Low: 60 °F
Partly Cloudy
Friday
High: 93 °F
Mostly Sunny
Friday Night
Low: 54 °F
Mostly Clear
Saturday
High: 89 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 95. Light west northwest wind.
Tonight
Mostly clear, with a low around 58. North wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Wednesday
Sunny and hot, with a high near 97. Calm wind becoming east northeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 59. North wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 97. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 89.
Saturday Night
Clear, with a low around 52.
Sunday
Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 93.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Montague CA
41.72°N 122.53°W (Elev. 2598 ft)
41.72°N 122.53°W (Elev. 2598 ft)
12:26 pm PDT Aug 18, 2026
12pm PDT Aug 18, 2026-6pm PDT Aug 24, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
