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

Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

46°F

8°C

Humidity 45%
Wind Speed N 17 MPH
Barometer 29.75 in (1007.45 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 11 Oct 09:35 AM PDT
Extended Forecast for

6 Miles S Montague CA

Freeze Warning October 12, 02:00am until October 12, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Today

    Today: Sunny, with a high near 62. North wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 28. Northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.

    Low: 28 °F

    Clear

  • Columbus Day

    Columbus Day: Widespread frost before 9am. Otherwise, sunny, with a high near 62. Calm wind becoming north around 5 mph in the afternoon.

    High: 62 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 30. North wind around 5 mph becoming light and variable after midnight.

    Low: 30 °F

    Clear

  • Tuesday

    Tuesday: Widespread frost before 9am. Otherwise, sunny, with a high near 69. Light and variable wind.

    High: 69 °F

    Frost then
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 62. North wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
Tonight
Clear, with a low around 28. Northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.
Columbus Day
Widespread frost before 9am. Otherwise, sunny, with a high near 62. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Clear, with a low around 30. North wind around 5 mph becoming light and variable after midnight.
Tuesday
Widespread frost before 9am. Otherwise, sunny, with a high near 69. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Clear, with a low around 40.
Thursday
Sunny, with a high near 79.
Thursday Night
Clear, with a low around 43.
Friday
Sunny, with a high near 81.
Friday Night
Clear, with a low around 44.
Saturday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Montague CA
 41.65°N 122.54°W (Elev. 2664 ft)
Last Update:
4:40 am PDT Oct 11, 2026
Forecast Valid:
9am PDT Oct 11, 2026-6pm PDT Oct 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation