Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

59°F

15°C

Humidity	91%
Wind Speed	NNW 5 MPH
Barometer	NA
Dewpoint	56°F (13°C)
Visibility	NA
Last update	14 Jul 10:16 PM MDT

More Information:

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

Extended Forecast for

13 Miles ESE Big Sky MT

Tonight
Low: 48 °F
Chance
Showers
Tuesday
High: 58 °F
Mostly Sunny
then Showers
Tuesday Night
Low: 41 °F
Showers then
Chance
Showers
Wednesday
High: 59 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 44 °F
Mostly Clear
Thursday
High: 68 °F
Sunny
Thursday Night
Low: 47 °F
Mostly Clear
Friday
High: 67 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 48 °F
Partly Cloudy

Detailed Forecast

Tonight

A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Partly cloudy, with a low around 48. Northwest wind 7 to 11 mph becoming southeast after midnight. Chance of precipitation is 40%.

Tuesday

A chance of showers and thunderstorms between noon and 3pm, then showers and possibly a thunderstorm after 3pm. High near 58. South southeast wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night

Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a chance of showers after 3am. Low around 41. North northeast wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

Wednesday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 59. North wind 8 to 11 mph. Chance of precipitation is 40%.

Wednesday Night

Mostly clear, with a low around 44. North wind around 10 mph becoming south after midnight.

Thursday

Sunny, with a high near 68. South wind 10 to 15 mph, with gusts as high as 25 mph.

Thursday Night

Mostly clear, with a low around 47. Southwest wind 7 to 15 mph, with gusts as high as 23 mph.

Friday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. South southwest wind 7 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

Friday Night

Partly cloudy, with a low around 48.

Saturday

A slight chance of showers and thunderstorms after noon. Sunny, with a high near 69.

Saturday Night

Partly cloudy, with a low around 49.

Sunday

Mostly sunny, with a high near 69.

Sunday Night

Partly cloudy, with a low around 48.

Monday

Mostly sunny, with a high near 65.