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

Hailey, Friedman Memorial Airport (KSUN)

Lat: 43.5°NLon: 114.3°WElev: 5318.0ft.

Clear

27°F

-3°C

Humidity 86%
Wind Speed NW 8 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 18 Jan 11:15 PM MST
Extended Forecast for

Craters of the Moon National Monument ID

  • Tonight

    Tonight: Patchy dense freezing fog. Mostly clear, with a low around 21. North wind around 6 mph.

    Low: 21 °F

    Patchy Dense
    Freezing Fog

  • M.L.King Day

    M.L.King Day: Patchy dense freezing fog before 3pm. Sunny, with a high near 34. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 34 °F

    Patchy Dense
    Freezing Fog

  • Monday Night

    Monday Night: Patchy dense freezing fog after 8pm. Increasing clouds, with a low around 20. West wind 5 to 9 mph.

    Low: 20 °F

    Patchy Dense
    Freezing Fog

  • Tuesday

    Tuesday: Patchy dense freezing fog before 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 31. West northwest wind 5 to 7 mph becoming south southeast in the afternoon.

    High: 31 °F

    Patchy Dense
    Freezing Fog

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 18. East southeast wind around 6 mph becoming northwest in the evening.

    Low: 18 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Thursday Night

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

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy dense freezing fog. Mostly clear, with a low around 21. North wind around 6 mph.
M.L.King Day
Patchy dense freezing fog before 3pm. Sunny, with a high near 34. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon.
Monday Night
Patchy dense freezing fog after 8pm. Increasing clouds, with a low around 20. West wind 5 to 9 mph.
Tuesday
Patchy dense freezing fog before 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 31. West northwest wind 5 to 7 mph becoming south southeast in the afternoon.
Tuesday Night
Partly cloudy, with a low around 18. East southeast wind around 6 mph becoming northwest in the evening.
Wednesday
Mostly sunny, with a high near 34.
Wednesday Night
Partly cloudy, with a low around 20.
Thursday
Partly sunny, with a high near 35.
Thursday Night
Mostly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 35.
Friday Night
Partly cloudy, with a low around 20.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
Craters of the Moon National Monument ID
 43.47°N 113.57°W (Elev. 6001 ft)
10:31 pm MST Jan 18, 2026
11pm MST Jan 18, 2026-6pm MST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database