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

Challis - Challis Airport (KLLJ)

Lat: 44.523°NLon: 114.21611°WElev: 5026.0ft.

Clear

16°F

-9°C

Humidity 84%
Wind Speed N 0 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 19 Jan 12:55 AM MST
Extended Forecast for

5 Miles NNE Clayton ID

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 16. North northwest wind around 6 mph.

    Low: 16 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 26. West northwest wind around 6 mph.

    High: 26 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a steady temperature around 20. West southwest wind 8 to 11 mph.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28. West wind 10 to 14 mph.

    High: 28 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 13. West wind around 10 mph.

    Low: 13 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 16. North northwest wind around 6 mph.
M.L.King Day
Sunny, with a high near 26. West northwest wind around 6 mph.
Monday Night
Mostly clear, with a steady temperature around 20. West southwest wind 8 to 11 mph.
Tuesday
Mostly sunny, with a high near 28. West wind 10 to 14 mph.
Tuesday Night
Partly cloudy, with a low around 13. West wind around 10 mph.
Wednesday
Sunny, with a high near 27.
Wednesday Night
Partly cloudy, with a low around 14.
Thursday
Partly sunny, with a high near 27.
Thursday Night
Mostly cloudy, with a low around 16.
Friday
Partly sunny, with a high near 24.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 14.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 22.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 13.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 23.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Clayton ID
 44.32°N 114.37°W (Elev. 9514 ft)
10:31 pm MST Jan 18, 2026
1am 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