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May 2025 Weather Summary

Current conditions at

Big Timber Airport (K6S0)

Lat: 45.80647°NLon: 109.97826°WElev: 4494.0ft.

Clear

59°F

15°C

Humidity	54%
Wind Speed	W 5 MPH
Barometer	30.09 in (1018.96 mb)
Dewpoint	43°F (6°C)
Visibility	10.00 mi
Last update	09 Jun 08:15 AM MDT

More Information:

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

Extended Forecast for

Harlowton MT

Today
High: 85 °F
Haze then
Sunny
Tonight
Low: 53 °F
Mostly Clear
Tuesday
High: 84 °F
Sunny then
Chance
T-storms
Tuesday Night
Low: 50 °F
Chance
T-storms then
Mostly Cloudy
Wednesday
High: 78 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 52 °F
Showers
Thursday
High: 71 °F
Showers
Likely
Thursday Night
Low: 48 °F
Chance
T-storms then
Slight Chance
Showers
Friday
High: 76 °F
Partly Sunny
then Chance
T-storms

Detailed Forecast

Today

Widespread haze before 9am. Sunny, with a high near 85. West wind 9 to 17 mph.

Tonight

Mostly clear, with a low around 53. West wind 8 to 15 mph.

Tuesday

A 30 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 84. West wind 8 to 13 mph becoming east in the afternoon.

Tuesday Night

A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50. Southeast wind 6 to 13 mph becoming west southwest after midnight.

Wednesday

A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 78. West southwest wind 6 to 10 mph becoming east in the afternoon.

Wednesday Night

Showers and possibly a thunderstorm. Low around 52. South wind 7 to 11 mph becoming west northwest after midnight. Chance of precipitation is 80%.

Thursday

A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 71. North northwest wind 7 to 14 mph. Chance of precipitation is 60%.

Thursday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 48. East wind 6 to 13 mph. Chance of precipitation is 40%.

Friday

A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 76. South wind 6 to 11 mph.

Friday Night

A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 50. East southeast wind 6 to 13 mph becoming northwest after midnight.

Saturday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80. West wind 6 to 14 mph becoming southeast in the afternoon.

Saturday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 51. East southeast wind 6 to 14 mph becoming west northwest after midnight.

Sunday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77. Northwest wind 6 to 13 mph becoming east southeast in the afternoon.