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

Tropical Storm Edouard to Impact the Northwest Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard will bring tropical storm to hurricane conditions, heavy rainfall, flash and some river flooding, and storm surge to portions of Upper Texas and southwestern Louisiana coasts into Wednesday. Severe thunderstorms are possible in the Central Plains and Mid-Atlantic. Hot and humid conditions will expand from the Central Plains into the Ohio Valley and Mid-Atlantic. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

66°F

19°C

Humidity 31%
Wind Speed N 0 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 01 Sep 09:53 AM PDT
Extended Forecast for

10 Miles NNE Montague CA

  • Today

    Today: A 30 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 75. South southwest wind 5 to 14 mph, with gusts as high as 21 mph.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: Rain and thunderstorms before 11pm, then a chance of rain between 11pm and 3am. Low around 49. West southwest wind 5 to 7 mph becoming light and variable. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 2pm. Increasing clouds, with a high near 66. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Breezy.
    Chance Rain
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain. Low around 52. South wind 15 to 20 mph decreasing to 7 to 12 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Rain then
    Rain Likely

  • Thursday

    Thursday: Rain before 11am, then showers likely and possibly a thunderstorm after 11am. High near 67. Southwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of rain before 11pm. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain
    then Partly
    Cloudy

  • Friday

    Friday: A 40 percent chance of rain after 11am. Mostly sunny, with a high near 68.

    High: 68 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain, mainly before 11pm. Partly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

  • Saturday

    Saturday: A slight chance of rain after 11am. Mostly sunny, with a high near 72.

    High: 72 °F

    Slight Chance
    Rain

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 75. South southwest wind 5 to 14 mph, with gusts as high as 21 mph.
Tonight
Rain and thunderstorms before 11pm, then a chance of rain between 11pm and 3am. Low around 49. West southwest wind 5 to 7 mph becoming light and variable. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain likely, mainly after 2pm. Increasing clouds, with a high near 66. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain. Low around 52. South wind 15 to 20 mph decreasing to 7 to 12 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain before 11am, then showers likely and possibly a thunderstorm after 11am. High near 67. Southwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 40 percent chance of rain before 11pm. Mostly cloudy, with a low around 42.
Friday
A 40 percent chance of rain after 11am. Mostly sunny, with a high near 68.
Friday Night
A chance of rain, mainly before 11pm. Partly cloudy, with a low around 42.
Saturday
A slight chance of rain after 11am. Mostly sunny, with a high near 72.
Saturday Night
A slight chance of rain after 11pm. Partly cloudy, with a low around 43.
Sunday
A chance of rain. Mostly sunny, with a high near 75.
Sunday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 44.
Labor Day
A slight chance of rain. Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Montague CA
 41.86°N 122.45°W (Elev. 2598 ft)
Last Update:
9:25 am PDT Sep 1, 2026
Forecast Valid:
10am PDT Sep 1, 2026-6pm PDT Sep 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation