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

Ririe (ITD18)

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

NA

26°F

-3°C

Humidity 68%
Wind Speed S 5 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility 1.24 mi
Wind Chill20°F (-7°C)
Last update 19 Jan 12:00 PM MST
Extended Forecast for

2 Miles WNW Swan Valley ID

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 34. Calm wind.

    High: 34 °F

    Sunny

  • Tonight

    Tonight: Patchy freezing fog after 8pm. Mostly clear, with a low around 14. East southeast wind 3 to 6 mph.

    Low: 14 °F

    Patchy
    Freezing Fog

  • Tuesday

    Tuesday: Patchy freezing fog before 3pm. Partly sunny, with a high near 33. East southeast wind around 6 mph becoming west southwest in the afternoon.

    High: 33 °F

    Patchy
    Freezing Fog

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 12. Light and variable wind becoming south southeast around 6 mph after midnight.

    Low: 12 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. Southeast wind around 6 mph becoming light and variable  in the afternoon.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

Detailed Forecast

M.L.King Day
Sunny, with a high near 34. Calm wind.
Tonight
Patchy freezing fog after 8pm. Mostly clear, with a low around 14. East southeast wind 3 to 6 mph.
Tuesday
Patchy freezing fog before 3pm. Partly sunny, with a high near 33. East southeast wind around 6 mph becoming west southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 12. Light and variable wind becoming south southeast around 6 mph after midnight.
Wednesday
Mostly sunny, with a high near 35. Southeast wind around 6 mph becoming light and variable in the afternoon.
Wednesday Night
Partly cloudy, with a low around 15.
Thursday
Partly sunny, with a high near 36.
Thursday Night
Mostly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 34.
Friday Night
Partly cloudy, with a low around 16.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 33.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 17.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Swan Valley ID
 43.46°N 111.34°W (Elev. 5509 ft)
10:31 am MST Jan 19, 2026
12pm MST Jan 19, 2026-6pm MST Jan 25, 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