National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

ONION PARK (ONPM8)

Lat: 46.91348°NLon: 110.8536°WElev: 7410.0ft.

NA

36°F

2°C

Humidity 43%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility NA
Last update 29 Mar 01:00 AM MDT
Extended Forecast for

3 Miles WSW Neihart MT

  • Overnight

    Overnight: Mostly clear, with a low around 31. West southwest wind around 10 mph, with gusts as high as 22 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of snow before 1pm, then a chance of rain and snow between 1pm and 4pm, then a chance of rain after 4pm. Partly sunny, with a high near 48. Southwest wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 48 °F

    Mostly Sunny
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain likely before 9pm, then a chance of rain and snow between 9pm and 1am, then a chance of snow after 1am. Mostly cloudy, with a low around 28. West southwest wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow
    Likely

  • Monday

    Monday: Snow. High near 33. West wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 33 °F

    Snow

  • Monday Night

    Monday Night: A 30 percent chance of snow before midnight. Partly cloudy, with a low around 11. West northwest wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 29 mph. New snow accumulation of less than a half inch possible.

    Low: 11 °F

    Chance Snow
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. South southwest wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21. South southeast wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of snow after noon. Mostly sunny, with a high near 45. South wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 45 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely, becoming all snow after 3am. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 31. West southwest wind around 10 mph, with gusts as high as 22 mph.
Sunday
A slight chance of snow before 1pm, then a chance of rain and snow between 1pm and 4pm, then a chance of rain after 4pm. Partly sunny, with a high near 48. Southwest wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday Night
Rain likely before 9pm, then a chance of rain and snow between 9pm and 1am, then a chance of snow after 1am. Mostly cloudy, with a low around 28. West southwest wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Snow. High near 33. West wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday Night
A 30 percent chance of snow before midnight. Partly cloudy, with a low around 11. West northwest wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 29 mph. New snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 35. South southwest wind 5 to 9 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 21. South southeast wind 7 to 9 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of snow after noon. Mostly sunny, with a high near 45. South wind 6 to 9 mph, with gusts as high as 20 mph.
Wednesday Night
Rain and snow likely, becoming all snow after 3am. Mostly cloudy, with a low around 29.
Thursday
Snow. The snow could be heavy at times. Cloudy, with a high near 37.
Thursday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 17.
Friday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 30.
Friday Night
A chance of snow. Mostly cloudy, with a low around 19.
Saturday
A chance of snow. Partly sunny, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Neihart MT
 46.92°N 110.8°W (Elev. 6801 ft)
Last Update:
12:31 am MDT Mar 29, 2026
Forecast Valid:
2am MDT Mar 29, 2026-6pm MDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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