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

35°F

2°C

Humidity 94%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 12 Apr 10:00 AM MDT
Extended Forecast for

5 Miles NW Neihart MT

  • Today

    Today: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 50. Light and variable wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 50 °F

    Partly Sunny
    then Showers

  • Tonight

    Tonight: Rain and snow showers before 3am, then a slight chance of snow after 4am. Some thunder is also possible. Low around 33. East wind 5 to 7 mph becoming south southwest after midnight. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Monday

    Monday: A chance of snow after 9am, mixing with rain after 3pm. Partly sunny, with a high near 44. Southwest wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain and snow before midnight. Mostly cloudy, with a low around 32. West southwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. Southwest wind 10 to 16 mph, with gusts as high as 29 mph.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. Southwest wind 7 to 15 mph, with gusts as high as 29 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after noon. Mostly cloudy, with a high near 44. Southwest wind 10 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 44 °F

    Slight Chance
    Snow then
    Snow Likely

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow, becoming all snow after 9pm. Cloudy, with a low around 23. Southwest wind around 11 mph becoming west northwest after midnight. Winds could gust as high as 24 mph.

    Low: 23 °F

    Rain/Snow
    then Snow

  • Thursday

    Thursday: Snow. Cloudy, with a high near 29.

    High: 29 °F

    Snow

Detailed Forecast

Today
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 50. Light and variable wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain and snow showers before 3am, then a slight chance of snow after 4am. Some thunder is also possible. Low around 33. East wind 5 to 7 mph becoming south southwest after midnight. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
A chance of snow after 9am, mixing with rain after 3pm. Partly sunny, with a high near 44. Southwest wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Monday Night
A chance of rain and snow before midnight. Mostly cloudy, with a low around 32. West southwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday
Mostly sunny, with a high near 47. Southwest wind 10 to 16 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly cloudy, with a low around 34. Southwest wind 7 to 15 mph, with gusts as high as 29 mph.
Wednesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 44. Southwest wind 10 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
Rain, possibly mixed with snow, becoming all snow after 9pm. Cloudy, with a low around 23. Southwest wind around 11 mph becoming west northwest after midnight. Winds could gust as high as 24 mph.
Thursday
Snow. Cloudy, with a high near 29.
Thursday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 17.
Friday
Snow likely. Partly sunny, with a high near 35.
Friday Night
A chance of snow. Mostly cloudy, with a low around 21.
Saturday
A chance of snow. Partly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Neihart MT
 46.98°N 110.81°W (Elev. 6453 ft)
Last Update:
10:22 am MDT Apr 12, 2026
Forecast Valid:
10am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation