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SCN26-50: Discontinuation of the State Forecast Product (SFP) for all NWS Central Region, Southern Region, and Western Region Offices: Effective June 29, 2026
The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will now be discontinued on July 7, 2026.

Current conditions at

MOUNT LOCKHART (MTKM8)

Lat: 47.91727°NLon: 112.8238°WElev: 6400.0ft.

59°F

15°C

Humidity	NA
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	NA

More Information:

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

Extended Forecast for

35 Miles SSW Heart Butte MT

Tonight
Low: 39 °F
Mostly Clear
Saturday
High: 58 °F
Mostly Sunny
then Mostly
Sunny and
Breezy
Saturday Night
Low: 41 °F
Partly Cloudy
and Breezy
then Partly
Cloudy
Sunday
High: 49 °F
Mostly Sunny
then Showers
Likely
Sunday Night
Low: 36 °F
Chance
Showers then
Mostly Cloudy
Monday
High: 48 °F
Slight Chance
Rain/Snow
then Chance
Showers
Monday Night
Low: 34 °F
Mostly Clear
Tuesday
High: 57 °F
Sunny
Tuesday Night
Low: 40 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 39. South southeast wind 8 to 15 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

Saturday

Mostly sunny, with a high near 58. Breezy, with a west wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.

Saturday Night

Partly cloudy, with a low around 41. Breezy, with a west wind 18 to 23 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.

Sunday

Showers likely and possibly a thunderstorm, mainly after 3pm. Increasing clouds, with a high near 49. West wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

Sunday Night

A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 36. West northwest wind 9 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

Monday

A slight chance of rain and snow showers before noon, then a chance of rain showers. Some thunder is also possible. Partly sunny, with a high near 48. North wind 8 to 10 mph becoming west in the morning. Chance of precipitation is 40%. Little or no snow accumulation expected.

Monday Night

Mostly clear, with a low around 34. North northeast wind 8 to 13 mph becoming south after midnight.

Tuesday

Sunny, with a high near 57. Southeast wind 7 to 10 mph.

Tuesday Night

Partly cloudy, with a low around 40.

Wednesday

Mostly sunny, with a high near 61.

Wednesday Night

Partly cloudy, with a low around 45.

Thursday

Mostly sunny, with a high near 62.