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

84°F

29°C

Humidity 25%
Wind Speed S 12 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 23 May 05:53 PM PDT
Extended Forecast for

12 Miles S Montague CA

  • Tonight

    Tonight: Partly cloudy, with a low around 52. South wind around 6 mph becoming calm  in the evening.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms, mainly between 4pm and 5pm, then a slight chance of rain and thunderstorms after 5pm.  Increasing clouds, with a high near 86. Calm wind becoming south around 6 mph in the afternoon.  Chance of precipitation is 20%.

    High: 86 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 9pm.  Partly cloudy, with a low around 52. South wind 3 to 7 mph.

    Low: 52 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 82. Windy, with a southwest wind 6 to 16 mph increasing to 20 to 30 mph. Winds could gust as high as 45 mph.

    High: 82 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. West southwest wind 13 to 17 mph becoming north northwest after midnight. Winds could gust as high as 26 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 11am.  Snow level 4600 feet rising to 5800 feet in the afternoon. Mostly sunny, with a high near 63.

    High: 63 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before 11pm.  Snow level 6200 feet lowering to 5500 feet after midnight . Partly cloudy, with a low around 38. Breezy.

    Low: 38 °F

    Chance Rain
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: A chance of rain after 11am.  Snow level 5400 feet rising to 6700 feet in the afternoon. Mostly sunny, with a high near 65. Breezy.

    High: 65 °F

    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly before 11pm.  Partly cloudy, with a low around 40. Breezy.

    Low: 40 °F

    Chance Rain
    and Breezy

Detailed Forecast

Tonight
Partly cloudy, with a low around 52. South wind around 6 mph becoming calm in the evening.
Sunday
A slight chance of showers and thunderstorms, mainly between 4pm and 5pm, then a slight chance of rain and thunderstorms after 5pm. Increasing clouds, with a high near 86. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of rain before 9pm. Partly cloudy, with a low around 52. South wind 3 to 7 mph.
Memorial Day
Mostly sunny, with a high near 82. Windy, with a southwest wind 6 to 16 mph increasing to 20 to 30 mph. Winds could gust as high as 45 mph.
Monday Night
Partly cloudy, with a low around 42. West southwest wind 13 to 17 mph becoming north northwest after midnight. Winds could gust as high as 26 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 11am. Snow level 4600 feet rising to 5800 feet in the afternoon. Mostly sunny, with a high near 63.
Tuesday Night
A 30 percent chance of rain before 11pm. Snow level 6200 feet lowering to 5500 feet after midnight . Partly cloudy, with a low around 38. Breezy.
Wednesday
A chance of rain after 11am. Snow level 5400 feet rising to 6700 feet in the afternoon. Mostly sunny, with a high near 65. Breezy.
Wednesday Night
A chance of rain, mainly before 11pm. Partly cloudy, with a low around 40. Breezy.
Thursday
A slight chance of rain. Mostly sunny, with a high near 74.
Thursday Night
A chance of rain. Partly cloudy, with a low around 45.
Friday
A chance of rain. Mostly sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles S Montague CA
 41.56°N 122.51°W (Elev. 2795 ft)
4:40 pm PDT May 23, 2026
6pm PDT May 23, 2026-6pm PDT May 30, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database