National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Wet and Cool in the East this Memorial Day Weekend; Well Above Normal Temperatures in the Northern Plains

A wet Memorial Day weekend is in store for the East, with widespread rainfall of 1 to more than 2 inches expected from the Gulf Coast to southern New England. Well above normal temperatures are forecast to build across the northern Plains. Another round of heavy to excessive rainfall is expected to impact the western Gulf Coast this weekend with Flood Watches in effect. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

Lat: 41.77375°NLon: 122.46817°WElev: 2644.0ft.

Partly Cloudy

79°F

26°C

Humidity 31%
Wind Speed NNW 9 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 23 May 07:00 PM PDT
Extended Forecast for

Montague CA

  • Tonight

    Tonight: Mostly clear, with a low around 51. West wind around 6 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of rain after 4pm. Sunny, with a high near 88. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 88 °F

    Sunny then
    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 8pm. Partly cloudy, with a low around 52. West southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 52 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 84. Breezy, with a light south wind becoming southwest 23 to 28 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 84 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. West southwest wind 14 to 21 mph becoming northwest in the evening. Winds could gust as high as 31 mph.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 11am. Snow level 4500 feet rising to 5800 feet in the afternoon. Mostly sunny, with a high near 63.

    High: 63 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain after 11am. Snow level 5400 feet rising to 6700 feet in the afternoon. Mostly sunny, with a high near 66. Breezy.

    High: 66 °F

    Slight Chance
    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of rain. Partly cloudy, with a low around 40.

    Low: 40 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 51. West wind around 6 mph becoming calm in the evening.
Sunday
A 20 percent chance of rain after 4pm. Sunny, with a high near 88. Calm wind becoming west 5 to 7 mph in the afternoon.
Sunday Night
A 20 percent chance of rain before 8pm. Partly cloudy, with a low around 52. West southwest wind 5 to 8 mph becoming calm in the evening.
Memorial Day
Mostly sunny, with a high near 84. Breezy, with a light south wind becoming southwest 23 to 28 mph in the afternoon. Winds could gust as high as 41 mph.
Monday Night
Partly cloudy, with a low around 41. West southwest wind 14 to 21 mph becoming northwest in the evening. Winds could gust as high as 31 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 11am. Snow level 4500 feet rising to 5800 feet in the afternoon. Mostly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
A slight chance of rain after 11am. Snow level 5400 feet rising to 6700 feet in the afternoon. Mostly sunny, with a high near 66. Breezy.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 40.
Thursday
A slight chance of rain after 11am. Mostly sunny, with a high near 75.
Thursday Night
A chance of rain. Partly cloudy, with a low around 45.
Friday
A slight chance of rain. Mostly sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.72°N 122.53°W (Elev. 2598 ft)
Last Update:
4:40 pm PDT May 23, 2026
Forecast Valid:
7pm PDT May 23, 2026-6pm PDT May 30, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation