Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Current conditions at

Ririe (ITD18)

Lat: 43.6111°NLon: 111.70531°WElev: 5106.0ft.

NA

17°F

-8°C

Humidity 74%
Wind Speed SE 18 MPH
Barometer NA
Dewpoint 10°F (-12°C)
Visibility 1.24 mi
Wind Chill1°F (-17°C)
Last update 29 Dec 08:45 PM MST
Extended Forecast for

2 Miles WNW Swan Valley ID

  • Tonight

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

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 39. East wind around 6 mph becoming calm  in the morning.

    High: 39 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20. Calm wind becoming east southeast around 6 mph in the evening.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44. East southeast wind 5 to 7 mph becoming calm  in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29. Calm wind becoming east southeast around 6 mph in the evening.

    Low: 29 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Rain likely, possibly mixed with snow, becoming all rain after 2pm.  Snow level rising to 6400 feet in the afternoon. Cloudy, with a high near 40. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Rain likely.  Snow level 6700 feet. Mostly cloudy, with a low around 33. Chance of precipitation is 70%.

    Low: 33 °F

    Rain Likely

  • Friday

    Friday: Rain likely, mainly before 11am.  Snow level 7000 feet. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.

    High: 43 °F

    Rain Likely

  • Friday Night

    Friday Night: A 40 percent chance of rain.  Snow level 7100 feet. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 10. East wind around 6 mph.
Tuesday
Sunny, with a high near 39. East wind around 6 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 20. Calm wind becoming east southeast around 6 mph in the evening.
Wednesday
Mostly sunny, with a high near 44. East southeast wind 5 to 7 mph becoming calm in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 29. Calm wind becoming east southeast around 6 mph in the evening.
New Year's Day
Rain likely, possibly mixed with snow, becoming all rain after 2pm. Snow level rising to 6400 feet in the afternoon. Cloudy, with a high near 40. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Rain likely. Snow level 6700 feet. Mostly cloudy, with a low around 33. Chance of precipitation is 70%.
Friday
Rain likely, mainly before 11am. Snow level 7000 feet. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of rain. Snow level 7100 feet. Mostly cloudy, with a low around 33.
Saturday
A chance of rain before 8am, then rain likely, possibly mixed with snow. Snow level 6600 feet. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.
Saturday Night
A chance of rain and snow. Snow level 6400 feet lowering to 5600 feet after midnight . Mostly cloudy, with a low around 29. Chance of precipitation is 50%.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 40.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 25.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 39.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Swan Valley ID
 43.46°N 111.34°W (Elev. 5509 ft)
8:20 pm MST Dec 29, 2025
9pm MST Dec 29, 2025-6pm MST Jan 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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