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	84%
Wind Speed	SSW 0 MPH
Barometer	NA
Dewpoint	47°F (8°C)
Visibility	NA
Last update	14 Jul 03:00 AM MDT

More Information:

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

Extended Forecast for

4 Miles E Big Sky MT

Overnight
Low: 53 °F
Mostly Clear
Monday
High: 90 °F
Sunny then
Slight Chance
T-storms
Monday Night
Low: 50 °F
Chance
Showers
Tuesday
High: 79 °F
Sunny then
T-storms
Tuesday Night
Low: 45 °F
T-storms then
Chance
T-storms
Wednesday
High: 71 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 44 °F
Mostly Clear
Thursday
High: 85 °F
Sunny
Thursday Night
Low: 47 °F
Mostly Clear

Detailed Forecast

Overnight

Mostly clear, with a low around 53. Calm wind.

Monday

A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 90. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

Monday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. West southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.

Tuesday

Showers and possibly a thunderstorm after noon. High near 79. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Chance of precipitation is 80%.

Tuesday Night

Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Low around 45. North wind 3 to 6 mph. Chance of precipitation is 80%.

Wednesday

A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 71. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 40%.

Wednesday Night

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

Thursday

Sunny, with a high near 85. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

Thursday Night

Mostly clear, with a low around 47.

Friday

A slight chance of showers and thunderstorms after noon. Sunny, with a high near 86.

Friday Night

Partly cloudy, with a low around 49.

Saturday

Sunny, with a high near 87.