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The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will be discontinued on May 6, 2026.

Current conditions at

ONION PARK (ONPM8)

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

15°F

-9°C

Humidity	91%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	13°F (-11°C)
Visibility	NA
Last update	30 Mar 09:00 PM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Neihart MT

Tonight
Low: 14 °F
Decreasing
Clouds
Tuesday
High: 32 °F
Chance Snow
Tuesday Night
Low: 22 °F
Chance Snow
then Mostly
Cloudy
Wednesday
High: 41 °F
Partly Sunny
then Chance
Snow
Wednesday Night
Low: 29 °F
Snow
Thursday
High: 34 °F
Heavy Snow
Thursday Night
Low: 20 °F
Heavy Snow
Friday
High: 29 °F
Snow
Friday Night
Low: 21 °F
Chance Snow
then Partly
Cloudy

Detailed Forecast

Tonight

Mostly cloudy, then gradually becoming mostly clear, with a low around 14. Northwest wind 8 to 11 mph becoming southeast after midnight.

Tuesday

A 40 percent chance of snow after 5pm. Partly sunny, with a high near 32. South southeast wind around 10 mph. New snow accumulation of less than a half inch possible.

Tuesday Night

A 30 percent chance of snow, mainly before 7pm. Mostly cloudy, with a low around 22. South southeast wind 8 to 13 mph. Little or no snow accumulation expected.

Wednesday

A 50 percent chance of snow after noon. Partly sunny, with a high near 41. South southwest wind around 7 mph. Little or no snow accumulation expected.

Wednesday Night

Snow. Low around 29. South wind 9 to 13 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

Thursday

Snow before noon, then snow showers between noon and 3pm, then snow after 3pm. The snow could be heavy at times. Some thunder is also possible. High near 34. South wind 10 to 14 mph becoming west in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Thursday Night

Snow. The snow could be heavy at times. Low around 20. Northwest wind around 18 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

Friday

Snow. Mostly cloudy, with a high near 29. West northwest wind 14 to 17 mph, with gusts as high as 22 mph.

Friday Night

A chance of snow before midnight. Partly cloudy, with a low around 21.

Saturday

A slight chance of snow after noon. Sunny, with a high near 37.

Saturday Night

Mostly clear, with a low around 25.

Sunday

A slight chance of snow. Mostly sunny, with a high near 40.

Sunday Night

A slight chance of snow. Mostly cloudy, with a low around 25.