
Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday
A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >
Current conditions at
Montague Siskiyou County Airport (KSIY)
Lat: 41.77375°NLon: 122.46817°WElev: 2644.0ft.
Clear
75°F
24°C
| Humidity | 27% |
| Wind Speed | N 16 MPH |
| Barometer | 29.96 in (1014.56 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 20 May 06:53 PM PDT |
Extended Forecast for
Montague CA
Tonight

Low: 45 °F
Mostly Clear
Thursday

High: 87 °F
Sunny
Thursday Night

Low: 49 °F
Mostly Clear
Friday

High: 89 °F
Sunny
Friday Night

Low: 52 °F
Mostly Clear
Saturday

High: 88 °F
Sunny
Saturday Night

Low: 52 °F
Mostly Clear
Sunday

High: 88 °F
Sunny
Sunday Night

Low: 50 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 45. North wind 11 to 16 mph becoming light in the evening. Winds could gust as high as 29 mph.
Thursday
Sunny, with a high near 87. Calm wind becoming north 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 49. North wind 5 to 10 mph becoming light northeast in the evening. Winds could gust as high as 23 mph.
Friday
Sunny, with a high near 89. Light and variable wind.
Friday Night
Mostly clear, with a low around 52. North northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 50.
Memorial Day
Mostly sunny, with a high near 82. Breezy.
Monday Night
Partly cloudy, with a low around 41. Breezy.
Tuesday
A slight chance of rain. Snow level 5500 feet rising to 6400 feet in the afternoon. Mostly sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Sunny, with a high near 75.
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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)
4:40 pm PDT May 20, 2026
7pm PDT May 20, 2026-6pm PDT May 27, 2026


