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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.

44°F

7°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

32 Miles SSW Heart Butte MT

Overnight
Low: 37 °F
Partly Cloudy
Juneteenth
High: 60 °F
Mostly Sunny
Friday Night
Low: 42 °F
Mostly Clear
Saturday
High: 64 °F
Mostly Sunny
Saturday Night
Low: 43 °F
Slight Chance
Showers then
Partly Cloudy
Sunday
High: 54 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 38 °F
Chance
Showers then
Mostly Cloudy
Monday
High: 55 °F
Mostly Sunny
then Chance
Showers
Monday Night
Low: 38 °F
Mostly Clear

Detailed Forecast

Overnight

Partly cloudy, with a low around 37. East southeast wind around 8 mph.

Juneteenth

Mostly sunny, with a high near 60. South southeast wind 8 to 11 mph, with gusts as high as 20 mph.

Friday Night

Mostly clear, with a low around 42. South southeast wind 6 to 11 mph, with gusts as high as 20 mph.

Saturday

Mostly sunny, with a high near 64. West wind 7 to 17 mph, with gusts as high as 30 mph.

Saturday Night

A 20 percent chance of showers before midnight. Partly cloudy, with a low around 43. West wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 30 mph.

Sunday

A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 54. West northwest wind 7 to 11 mph, with gusts as high as 20 mph.

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 38. North wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.

Monday

A chance of showers and thunderstorms after noon. Partly sunny, with a high near 55. North northeast wind 5 to 8 mph.

Monday Night

Mostly clear, with a low around 38.

Tuesday

Sunny, with a high near 64.

Tuesday Night

Partly cloudy, with a low around 44.

Wednesday

Mostly sunny, with a high near 68.

Wednesday Night

Partly cloudy, with a low around 47.