Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.
Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >
Current conditions at
Montague Siskiyou County Airport (KSIY)
Lat: 41.77375°NLon: 122.46817°WElev: 2644.0ft.
Clear
50°F
10°C
| Humidity | 46% |
| Wind Speed | NNW 9 MPH |
| Barometer | 30.16 in (1021.34 mb) |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 46°F (8°C) |
| Last update | 18 May 11:00 PM PDT |
Extended Forecast for
Montague CA
Tonight
Low: 36 °F
Clear
Tuesday
High: 78 °F
Sunny
Tuesday Night
Low: 42 °F
Partly Cloudy
Wednesday
High: 82 °F
Sunny
Wednesday Night
Low: 45 °F
Mostly Clear
Thursday
High: 86 °F
Sunny
Thursday Night
Low: 48 °F
Mostly Clear
Friday
High: 87 °F
Sunny
Friday Night
Low: 49 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 36. Light north northwest wind.
Tuesday
Sunny, with a high near 78. Calm wind becoming north 5 to 8 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 42. North wind 6 to 11 mph becoming light north northeast in the evening. Winds could gust as high as 26 mph.
Wednesday
Sunny, with a high near 82. Calm wind becoming north northwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 45. North wind 11 to 16 mph becoming light after midnight. Winds could gust as high as 30 mph.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 46.
Memorial Day
Sunny, with a high near 79.
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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)
10:40 pm PDT May 18, 2026
11pm PDT May 18, 2026-6pm PDT May 25, 2026
Additional Resources
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