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

Winchester (ITD41)

Lat: 46.25521°NLon: 116.6051°WElev: 3761.0ft.

NA

17°F

-8°C

Humidity 93%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility 1.24 mi
Last update 20 Jan 12:30 AM PST
Extended Forecast for

3 Miles S Reubens ID

Air Stagnation Advisory January 20, 12:50am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 12:50am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Overnight

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 38. Light and variable wind.

    High: 38 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. Light and variable wind becoming southeast around 5 mph.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a low around 24. Southwest wind 3 to 5 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 38. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 21. Calm wind.
Wednesday
Mostly sunny, with a high near 38. Light and variable wind becoming southeast around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 23. Calm wind.
Thursday
Mostly cloudy, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 21.
Friday
Partly sunny, with a high near 34.
Friday Night
A 10 percent chance of snow after 4am. Partly cloudy, with a low around 20.
Saturday
A 20 percent chance of snow before 10am. Mostly sunny, with a high near 37.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 24.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 40.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 28.
Monday
A chance of rain and snow. Partly sunny, with a high near 43. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Reubens ID
 46.27°N 116.54°W (Elev. 3698 ft)
9:02 pm PST Jan 19, 2026
12am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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Additional Resources

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