Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Idaho Falls Regional Airport (KIDA)

Lat: 43.52083° N Lon: 112.06611° W Elev: 4741.0 ft.

Clear

16°F

-9°C

Humidity 70%
Wind Speed NNE 9 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 27 Dec 11:53 PM MST
Detailed forecast for

Arco/Mud Lake Desert

Tonight
Mostly clear. Colder. Lows 8 to 16. Northwest winds 10 to 15 mph...decreasing to up to 10 mph after midnight.
Sunday
Sunny. Highs 22 to 29. Southwest winds up to 10 mph in the morning...becoming light and variable.
Sunday Night
Mostly clear. Lows 9 to 16. Light and variable winds...becoming east up to 10 mph after midnight.
Monday
Sunny. Highs 25 to 32. Light and variable winds.
Monday Night
Mostly clear. Lows 13 to 20. Light and variable winds.
Tuesday Through Wednesday
Mostly clear. Highs 30 to 40. Lows 13 to 21.
Wednesday Night And New Years Day
Mostly cloudy. Lows 15 to 24. Highs 36 to 43.
Thursday Night
Mostly cloudy with a slight chance of snow. Lows 19 to 29.
Friday
Mostly cloudy with a chance of snow and rain. Highs 35 to 42.
Friday Night
Mostly cloudy with a chance of snow. Lows 17 to 27.
Saturday
Mostly sunny with a slight chance of snow. Highs 31 to 38.



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202 PM MST Sat Dec 27 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database