Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

51°F

11°C

Humidity	89%
Wind Speed	ENE 2 MPH
Barometer	NA
Dewpoint	48°F (9°C)
Visibility	NA
Last update	15 Jul 11:15 PM MDT

More Information:

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

Extended Forecast for

14 Miles NE Big Sky MT

Tonight
Low: 40 °F
Chance
Showers and
Patchy Fog
Wednesday
High: 64 °F
Patchy Fog
then Mostly
Sunny
Wednesday Night
Low: 41 °F
Mostly Clear
Thursday
High: 77 °F
Sunny
Thursday Night
Low: 47 °F
Mostly Clear
Friday
High: 76 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 48 °F
Partly Cloudy
Saturday
High: 78 °F
Sunny then
Slight Chance
T-storms
Saturday Night
Low: 49 °F
Partly Cloudy

Detailed Forecast

Tonight

A 40 percent chance of showers, mainly before 3am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 40. North northeast wind around 6 mph becoming calm after midnight.

Wednesday

Patchy fog before noon. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 64. Calm wind becoming northwest around 6 mph in the afternoon.

Wednesday Night

Mostly clear, with a low around 41. Northwest wind around 6 mph becoming light and variable in the evening.

Thursday

Sunny, with a high near 77. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

Thursday Night

Mostly clear, with a low around 47. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

Friday

A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 76. Calm wind becoming west northwest around 6 mph in the afternoon.

Friday Night

Partly cloudy, with a low around 48. West wind around 6 mph becoming light and variable after midnight.

Saturday

A slight chance of showers and thunderstorms after noon. Sunny, with a high near 78. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

Saturday Night

Partly cloudy, with a low around 49.

Sunday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.

Sunday Night

Partly cloudy, with a low around 47.

Monday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 74.

Monday Night

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

Tuesday

A chance of showers and thunderstorms. Partly sunny, with a high near 73.