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

82°F

28°C

Humidity	26%
Wind Speed	NW 8 MPH
Barometer	NA
Dewpoint	44°F (7°C)
Visibility	NA
Heat Index	80°F (27°C)
Last update	13 Jul 01:15 PM MDT

More Information:

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

Extended Forecast for

12 Miles NE Big Sky MT

This Afternoon
High: 79 °F
Sunny
Tonight
Low: 54 °F
Mostly Clear
Monday
High: 80 °F
Sunny then
Slight Chance
T-storms
Monday Night
Low: 48 °F
Chance
T-storms then
Chance
Showers
Tuesday
High: 61 °F
Chance
Showers then
Showers
Tuesday Night
Low: 42 °F
Chance
T-storms then
Chance
Showers
Wednesday
High: 62 °F
Chance
Showers
Wednesday Night
Low: 44 °F
Mostly Clear
Thursday
High: 73 °F
Sunny then
Slight Chance
Showers

Detailed Forecast

This Afternoon

Sunny, with a high near 79. Northwest wind 6 to 8 mph.

Tonight

Mostly clear, with a low around 54. North northwest wind around 6 mph becoming calm in the evening.

Monday

A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 80. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

Monday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 48. West northwest wind 5 to 10 mph becoming light north northwest. Winds could gust as high as 20 mph.

Tuesday

A chance of showers, then showers and possibly a thunderstorm after noon. High near 61. North wind 3 to 8 mph. Chance of precipitation is 80%.

Tuesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 42. North northeast wind 3 to 8 mph. Chance of precipitation is 50%.

Wednesday

A 30 percent chance of showers. Partly sunny, with a high near 62. North wind 3 to 7 mph.

Wednesday Night

Mostly clear, with a low around 44. North wind around 6 mph becoming calm in the evening.

Thursday

A slight chance of showers after noon. Mostly sunny, with a high near 73.

Thursday Night

A slight chance of showers before midnight. Mostly clear, with a low around 48.