Threats For Heavy Rain and Severe Thunderstorms Continue in the Plains; Fire Weather Conditions Worsen in the Southwest

On Monday and Tuesday, the focus for heavy rain and severe thunderstorms will continue in the Plains and central Mississippi River Valley. Meanwhile, hot conditions and Critical Fire Weather looms over the Great Basin and Southwest U.S. through midweek. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

Lat: 45.34534°NLon: 111.17261°WElev: 5699.0ft.

unknown precip

69°F

21°C

Humidity	44%
Wind Speed	W 3 MPH
Barometer	NA
Dewpoint	46°F (8°C)
Visibility	NA
Last update	15 Jun 06:45 PM MDT

More Information:

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

Extended Forecast for

4 Miles E Big Sky MT

Tonight
Low: 46 °F
Slight Chance
T-storms then
Slight Chance
Showers
Monday
High: 78 °F
Slight Chance
Showers then
Showers
Likely
Monday Night
Low: 44 °F
Chance
T-storms then
Slight Chance
Showers
Tuesday
High: 73 °F
Chance
T-storms
Tuesday Night
Low: 45 °F
Mostly Clear
Wednesday
High: 80 °F
Sunny
Wednesday Night
Low: 48 °F
Mostly Clear
Juneteenth
High: 86 °F
Sunny
Thursday Night
Low: 48 °F
Slight Chance
T-storms then
Partly Cloudy

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers after 3am. Partly cloudy, with a low around 46. South southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

Monday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 78. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

Tuesday

A 40 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 73. Calm wind becoming northwest around 6 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 45. Northwest wind around 5 mph becoming calm in the evening.

Wednesday

Sunny, with a high near 80. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

Wednesday Night

Mostly clear, with a low around 48. West southwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 20 mph.

Juneteenth

Sunny, with a high near 86. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.

Thursday Night

A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 48.

Friday

A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.