Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Current conditions at

Big Timber Airport (K6S0)

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

Clear

84°F

29°C

Humidity	23%
Wind Speed	ENE 8 MPH
Barometer	30.15 in (1021.0 mb)
Dewpoint	43°F (6°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	01 Aug 01:35 PM MDT

More Information:

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

Extended Forecast for

Harlowton MT

This Afternoon
High: 84 °F
Showers
Likely
Tonight
Low: 53 °F
Chance
T-storms then
Partly Cloudy
Saturday
High: 81 °F
Mostly Sunny
then Chance
T-storms
Saturday Night
Low: 51 °F
Chance
T-storms then
Partly Cloudy
Sunday
High: 82 °F
Sunny then
Slight Chance
T-storms
Sunday Night
Low: 52 °F
Partly Cloudy
Monday
High: 84 °F
Sunny then
Chance
Showers
Monday Night
Low: 51 °F
Chance
T-storms then
Slight Chance
Showers
Tuesday
High: 82 °F
Mostly Sunny
then Slight
Chance
T-storms

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm after 3pm. Sunny early, then becoming mostly cloudy, with a high near 84. East wind 6 to 10 mph becoming west southwest. Winds could gust as high as 45 mph. Chance of precipitation is 60%.

Tonight

A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 53. Southwest wind 7 to 10 mph becoming north in the evening.

Saturday

A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. West wind 10 to 15 mph.

Saturday Night

A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 51. West wind 8 to 14 mph.

Sunday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. West wind 10 to 13 mph.

Sunday Night

Partly cloudy, with a low around 52. North northwest wind 5 to 10 mph becoming east northeast in the evening.

Monday

A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. West wind 5 to 11 mph becoming east southeast in the afternoon.

Monday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 51. East southeast wind 9 to 11 mph becoming west northwest after midnight. Chance of precipitation is 40%.

Tuesday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. West wind 10 to 16 mph.

Tuesday Night

Mostly clear, with a low around 51. West northwest wind 6 to 15 mph.

Wednesday

Sunny, with a high near 86. West wind 7 to 11 mph.

Wednesday Night

Mostly cloudy, with a low around 53. Northwest wind 7 to 13 mph.

Thursday

Mostly sunny, with a high near 84. West wind 8 to 15 mph.