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

PORPHYRY (PHYM8)

Lat: 46.83821°NLon: 110.71813°WElev: 8232.0ft.

NA

-11°F

-24°C

Humidity 72%
Wind Speed NNW 8 MPH
Barometer NA
Dewpoint -18°F (-28°C)
Visibility NA
Wind Chill-28°F (-33°C)
Last update 27 Dec 10:05 PM MST
Extended Forecast for

9 Miles S Neihart MT

  • Tonight

    Tonight: Mostly clear, with a low around -3. Wind chill values as low as -15. West wind 6 to 9 mph.

    Low: -3 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 13. Wind chill values as low as -15. West wind around 10 mph, with gusts as high as 21 mph.

    High: 13 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 8. Wind chill values as low as -5. West wind around 10 mph.

    Low: 8 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 26. Wind chill values as low as zero. West wind around 11 mph, with gusts as high as 22 mph.

    High: 26 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18. West southwest wind 7 to 10 mph.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. West southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 32 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 24. West southwest wind around 9 mph.

    Low: 24 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 36. West wind around 9 mph, with gusts as high as 20 mph.

    High: 36 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around -3. Wind chill values as low as -15. West wind 6 to 9 mph.
Sunday
Sunny, with a high near 13. Wind chill values as low as -15. West wind around 10 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 8. Wind chill values as low as -5. West wind around 10 mph.
Monday
Sunny, with a high near 26. Wind chill values as low as zero. West wind around 11 mph, with gusts as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 18. West southwest wind 7 to 10 mph.
Tuesday
Partly sunny, with a high near 32. West southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 24. West southwest wind around 9 mph.
Wednesday
Partly sunny, with a high near 36. West wind around 9 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 25.
New Year's Day
Partly sunny, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
A slight chance of snow. Mostly cloudy, with a high near 34.
Friday Night
A chance of snow. Mostly cloudy, with a low around 18.
Saturday
A slight chance of snow. Partly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S Neihart MT
 46.8°N 110.75°W (Elev. 7001 ft)
9:48 pm MST Dec 27, 2025
10pm MST Dec 27, 2025-6pm MST Jan 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

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