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.

freezing fog

20°F

-7°C

Humidity 91%
Wind Speed N 0 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 18°F (-8°C)
Visibility 0.25 mi
Last update 19 Jan 07:53 AM PST
Extended Forecast for

12 Miles W Macdoel CA

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 53. East wind 7 to 9 mph.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. East wind 6 to 10 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. Light east wind.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41. Southeast wind 5 to 7 mph becoming west after midnight.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 49. East southeast wind 3 to 7 mph.

    High: 49 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

Detailed Forecast

M.L.King Day
Sunny, with a high near 53. East wind 7 to 9 mph.
Tonight
Mostly clear, with a low around 41. East wind 6 to 10 mph.
Tuesday
Mostly sunny, with a high near 50. Light east wind.
Tuesday Night
Mostly cloudy, with a low around 41. Southeast wind 5 to 7 mph becoming west after midnight.
Wednesday
Partly sunny, with a high near 49. East southeast wind 3 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 45.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 37.
Friday Night
Mostly clear, with a low around 30.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Macdoel CA
 41.82°N 122.26°W (Elev. 6772 ft)
3:41 am PST Jan 19, 2026
8am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database