
Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.
Gusty winds and low relative humidity will bring critical fire weather to the southern High Plains Friday. A winter storm will track across the Great Lakes and Northeast U.S. Friday into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >
Hazardous Weather Conditions
Current conditions at
Montague Siskiyou County Airport (KSIY)
Lat: 41.77375°NLon: 122.46817°WElev: 2644.0ft.
Clear
30°F
-1°C
| Humidity | 74% |
| Wind Speed | N 3 MPH |
| Barometer | 29.83 in (1010.16 mb) |
| Dewpoint | 23°F (-5°C) |
| Visibility | 10.00 mi |
| Last update | 19 Feb 07:53 PM PST |
Extended Forecast for
Montague CA
Cold Weather Advisory February 20, 12:00am until February 20, 09:00am
Tonight

Low: 11 °F
Partly Cloudy
Friday

High: 39 °F
Mostly Sunny
Friday Night

Low: 23 °F
Slight Chance
Snow ShowersSaturday

High: 43 °F
Slight Chance
Rain/SnowSaturday Night
Low: 32 °F
Chance
Rain/Snow
then Showers
LikelySunday

High: 48 °F
Showers and
WindySunday Night

Low: 36 °F
Showers
Monday

High: 50 °F
Showers
Monday Night

Low: 34 °F
Showers
Detailed Forecast
Tonight
Partly cloudy, with a low around 11. Light west wind.
Friday
Mostly sunny, with a high near 39. Calm wind becoming south 5 to 9 mph in the afternoon.
Friday Night
A 20 percent chance of snow showers after 10pm. Partly cloudy, with a low around 23. South wind 9 to 11 mph.
Saturday
A slight chance of snow showers before 10am, then a slight chance of rain and snow showers between 10am and 1pm, then a slight chance of rain showers after 1pm. Snow level rising to 3400 feet in the afternoon. Mostly cloudy, with a high near 43. Southeast wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of rain showers before 7pm, then a slight chance of rain and snow showers between 7pm and 10pm, then rain showers likely after 10pm. Snow level 3700 feet rising to 4300 feet after midnight. Mostly cloudy, with a low around 32. Southeast wind 18 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday
Showers. Snow level 4400 feet rising to 5000 feet in the afternoon. High near 48. Windy. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers. Low around 36. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers. Cloudy, with a high near 50.
Monday Night
Showers. Cloudy, with a low around 34.
Tuesday
Rain likely, possibly mixed with snow showers, becoming all rain after 10am. Mostly cloudy, with a high near 50.
Tuesday Night
A chance of rain and snow showers. Snow level 5200 feet lowering to 4500 feet after midnight . Mostly cloudy, with a low around 30.
Wednesday
A chance of rain and snow showers. Snow level 4000 feet rising to 5000 feet in the afternoon. Partly sunny, with a high near 51.
Wednesday Night
A chance of rain and snow showers. Snow level 4900 feet lowering to 4400 feet after midnight . Mostly cloudy, with a low around 28.
Thursday
A chance of rain and snow showers. Snow level 4100 feet rising to 5200 feet in the afternoon. Partly sunny, with a high near 54.
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ABOUT THIS FORECAST
Point Forecast:
Montague CA
41.72°N 122.53°W (Elev. 2598 ft)
41.72°N 122.53°W (Elev. 2598 ft)
3:42 pm PST Feb 19, 2026
8pm PST Feb 19, 2026-6pm PST Feb 26, 2026



