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

Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

64°F

18°C

Humidity 55%
Wind Speed N 8 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 21 Sep 11:20 PM PDT
Extended Forecast for

10 Miles NNE Montague CA

  • Tonight

    Tonight: Mostly clear, with a low around 51. Light north northwest wind.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 80. Light north northwest wind becoming north 5 to 10 mph in the afternoon.

    High: 80 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. North wind 5 to 7 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 81. Light north northwest wind.

    High: 81 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

  • Friday

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

    High: 68 °F

    Chance Rain
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 51. Light north northwest wind.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 80. Light north northwest wind becoming north 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 45. North wind 5 to 7 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 81. Light north northwest wind.
Wednesday Night
Partly cloudy, with a low around 47. North northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 48.
Friday
A chance of rain before 11am. Mostly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Montague CA
 41.86°N 122.45°W (Elev. 2598 ft)
Last Update:
11:26 pm PDT Sep 21, 2026
Forecast Valid:
11pm PDT Sep 21, 2026-6pm PDT Sep 28, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation