Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

49°F

9°C

Humidity	91%
Wind Speed	S 0 MPH
Barometer	NA
Dewpoint	46°F (8°C)
Visibility	NA
Last update	14 Jul 05:00 AM MDT

More Information:

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

Extended Forecast for

13 Miles ESE Big Sky MT

Today
High: 72 °F
Sunny then
Chance
T-storms
Tonight
Low: 47 °F
Chance
Showers then
Partly Cloudy
Tuesday
High: 60 °F
Mostly Sunny
then T-storms
Tuesday Night
Low: 41 °F
Showers then
Chance
T-storms
Wednesday
High: 52 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 43 °F
Mostly Clear
Thursday
High: 66 °F
Sunny
Thursday Night
Low: 47 °F
Slight Chance
Showers then
Mostly Clear
Friday
High: 67 °F
Sunny then
Slight Chance
T-storms

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 72. West wind 6 to 13 mph, with gusts as high as 21 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly between 9pm and midnight. Mostly cloudy, with a low around 47. West southwest wind 7 to 11 mph becoming east after midnight. Winds could gust as high as 18 mph.

Tuesday

Showers and possibly a thunderstorm after noon. High near 60. South southeast wind 8 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Low around 41. North northeast wind 13 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

Wednesday

A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 52. North wind 8 to 10 mph. Chance of precipitation is 40%.

Wednesday Night

Mostly clear, with a low around 43. North wind around 10 mph becoming south after midnight.

Thursday

Sunny, with a high near 66. South wind 10 to 15 mph, with gusts as high as 23 mph.

Thursday Night

A slight chance of showers before midnight. Mostly clear, with a low around 47. West wind 9 to 14 mph, with gusts as high as 22 mph.

Friday

A slight chance of showers and thunderstorms after noon. Sunny, with a high near 67.

Friday Night

Partly cloudy, with a low around 48.

Saturday

A slight chance of showers and thunderstorms. Sunny, with a high near 68.