Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Special Weather Statement

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

57°F

14°C

Humidity	39%
Wind Speed	NNW 13 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	21 Mar 04:15 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

This Afternoon
High: 50 °F
Chance
Rain/Snow and
Breezy
Tonight
Low: 24 °F
Slight Chance
Snow and
Blustery then
Partly Cloudy
Sunday
High: 39 °F
Sunny
Sunday Night
Low: 28 °F
Partly Cloudy
Monday
High: 45 °F
Mostly Sunny
Monday Night
Low: 33 °F
Mostly Cloudy
Tuesday
High: 45 °F
Mostly Cloudy
then Slight
Chance Snow
and Breezy
Tuesday Night
Low: 37 °F
Chance
Rain/Snow
then Mostly
Cloudy
Wednesday
High: 47 °F
Chance Snow
and Breezy

Detailed Forecast

This Afternoon

A chance of rain and snow before 5pm, then a slight chance of snow. Mostly cloudy, with a high near 50. Breezy, with a west wind 26 to 29 mph, with gusts as high as 40 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Tonight

A 20 percent chance of snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 24. Blustery, with a west wind 23 to 28 mph decreasing to 10 to 15 mph in the evening.

Sunday

Sunny, with a high near 39. West wind 13 to 20 mph, with gusts as high as 30 mph.

Sunday Night

Partly cloudy, with a low around 28. Southwest wind 14 to 18 mph, with gusts as high as 28 mph.

Monday

Mostly sunny, with a high near 45. Southwest wind 14 to 17 mph, with gusts as high as 28 mph.

Monday Night

Mostly cloudy, with a low around 33. Southwest wind 17 to 20 mph, with gusts as high as 28 mph.

Tuesday

A 20 percent chance of snow after noon. Mostly cloudy, with a high near 45. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 38 mph.

Tuesday Night

A chance of rain and snow before 9pm, then a chance of rain between 9pm and midnight. Mostly cloudy, with a low around 37. Southwest wind 15 to 17 mph, with gusts as high as 34 mph.

Wednesday

A chance of snow, mainly after noon. Partly sunny, with a high near 47. Breezy.

Wednesday Night

A chance of snow. Mostly cloudy, with a low around 27. Breezy.

Thursday

A slight chance of snow. Mostly sunny, with a high near 37.

Thursday Night

Partly cloudy, with a low around 20.

Friday

Mostly sunny, with a high near 41.

Friday Night

Partly cloudy, with a low around 23.