Critical Fire Weather in the High Plains; Heat Continues in the West
Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. Read More >
Current conditions at
Montague Siskiyou County Airport (KSIY)
Lat: 41.77375°NLon: 122.46817°WElev: 2644.0ft.
Clear
37°F
3°C
| Humidity | 80% |
| Wind Speed | N 5 MPH |
| Barometer | 30.24 in (1024.04 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Wind Chill | 33°F (1°C) |
| Last update | 19 Mar 02:30 AM PDT |
Extended Forecast for
Montague CA
Overnight
Low: 38 °F
Clear
Thursday
High: 82 °F
Sunny
Thursday Night
Low: 41 °F
Mostly Clear
Friday
High: 80 °F
Mostly Sunny
Friday Night
Low: 46 °F
Partly Cloudy
Saturday
High: 68 °F
Partly Sunny
Saturday Night
Low: 30 °F
Partly Cloudy
Sunday
High: 71 °F
Sunny
Sunday Night
Low: 37 °F
Partly Cloudy
Detailed Forecast
Overnight
Clear, with a low around 38. Calm wind.
Thursday
Sunny, with a high near 82. Light and variable wind.
Thursday Night
Mostly clear, with a low around 41. West wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 80. Calm wind.
Friday Night
Partly cloudy, with a low around 46. Northwest wind 3 to 7 mph.
Saturday
Partly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Partly sunny, with a high near 71.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
A slight chance of rain. Partly sunny, with a high near 72.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 62.
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)
1:41 am PDT Mar 19, 2026
2am PDT Mar 19, 2026-6pm PDT Mar 25, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
