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

52°F

11°C

Humidity	86%
Wind Speed	SSE 0 MPH
Barometer	NA
Dewpoint	48°F (9°C)
Visibility	NA
Last update	14 Jul 02:15 AM MDT

More Information:

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

Extended Forecast for

15 Miles ENE Big Sky MT

Overnight
Low: 52 °F
Mostly Clear
Monday
High: 71 °F
Sunny then
Slight Chance
T-storms
Monday Night
Low: 47 °F
Chance
T-storms then
Slight Chance
Showers
Tuesday
High: 58 °F
Slight Chance
Showers then
Showers
Tuesday Night
Low: 41 °F
Showers
Wednesday
High: 52 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 42 °F
Mostly Clear
Thursday
High: 65 °F
Sunny
Thursday Night
Low: 47 °F
Slight Chance
Showers then
Mostly Clear

Detailed Forecast

Overnight

Mostly clear, with a low around 52. West northwest wind around 6 mph.

Monday

A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 71. West wind 6 to 13 mph, with gusts as high as 22 mph.

Monday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, with a low around 47. West wind 7 to 11 mph becoming north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

Tuesday

A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 58. South wind 7 to 13 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.

Tuesday Night

Showers and possibly a thunderstorm. Low around 41. North wind 10 to 14 mph, with gusts as high as 22 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 50%.

Wednesday Night

Mostly clear, with a low around 42. North northeast wind around 10 mph becoming south southwest after midnight.

Thursday

Sunny, with a high near 65. South southwest wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

Thursday Night

A slight chance of showers before midnight. Mostly clear, with a low around 47.

Friday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66.

Friday Night

Partly cloudy, with a low around 48.

Saturday

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