Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

54°F

12°C

Humidity 40%
Wind Speed N 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 19 Jan 03:20 PM PST
Extended Forecast for

15 Miles NE Weed CA

  • Tonight

    Tonight: Mostly clear, with a low around 31. East northeast wind 8 to 11 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. Light east wind.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. Calm wind becoming east around 5 mph after midnight.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53. Calm wind.

    High: 53 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. Light and variable wind becoming south southwest around 5 mph after midnight.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 31. East northeast wind 8 to 11 mph.
Tuesday
Mostly sunny, with a high near 53. Light east wind.
Tuesday Night
Mostly cloudy, with a low around 31. Calm wind becoming east around 5 mph after midnight.
Wednesday
Partly sunny, with a high near 53. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 31. Light and variable wind becoming south southwest around 5 mph after midnight.
Thursday
Sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 48.
Friday Night
Mostly clear, with a low around 30.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 49.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NE Weed CA
 41.59°N 122.19°W (Elev. 4806 ft)
2:21 pm PST Jan 19, 2026
3pm PST Jan 19, 2026-6pm PST Jan 26, 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