Severe Thunderstorm and Flash Flood Threats Continue into the Weekend

Severe thunderstorms are expected from the southern Plains to the Midwest through Friday night. Severe storm hazards may include large hail, severe winds, and tornadoes, some of which may be strong. There will be another chance for severe thunderstorms on Saturday for portions of Texas, the Lower Mississippi Valley, and the Ohio Valley. Storms could result in locally heavy rain and flash flooding. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

37°F

3°C

Humidity 86%
Wind Speed SSE 3 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 07 Mar 12:15 AM PST
Extended Forecast for

Montague CA

  • Overnight

    Overnight: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 33. West wind around 6 mph becoming light and variable.

    Low: 33 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 65. Light and variable wind.

    High: 65 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 1am.  Otherwise, mostly clear, with a low around 37. North northeast wind around 5 mph becoming calm  in the evening.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 68. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 68 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. North wind 5 to 8 mph becoming calm  in the evening.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 33. West wind around 6 mph becoming light and variable.
Saturday
Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 65. Light and variable wind.
Saturday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 37. North northeast wind around 5 mph becoming calm in the evening.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 68. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 37. North wind 5 to 8 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 60.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Mostly cloudy, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 64.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
Partly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.72°N 122.53°W (Elev. 2598 ft)
9:41 pm PST Mar 6, 2026
12am PST Mar 7, 2026-6pm PDT Mar 13, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database