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 >

Current conditions at

Sieben I-15 MP 216 (MTSBN)

Lat: 46.88748267°NLon: 112.1111196°WElev: 4199.0ft.

47°F

8°C

Humidity	48%
Wind Speed	N 4 MPH
Barometer	NA
Dewpoint	28°F (-2°C)
Visibility	NA
Wind Chill	45°F (7°C)
Last update	21 Mar 07:00 PM MDT

More Information:

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

Extended Forecast for

Marysville MT

Tonight
Low: 30 °F
Mostly Clear
Sunday
High: 46 °F
Sunny
Sunday Night
Low: 32 °F
Partly Cloudy
Monday
High: 53 °F
Mostly Sunny
Monday Night
Low: 37 °F
Mostly Cloudy
Tuesday
High: 54 °F
Mostly Cloudy
then Chance
Rain/Snow
Tuesday Night
Low: 40 °F
Chance Rain
then Slight
Chance Rain
Wednesday
High: 50 °F
Chance Rain
and Breezy
Wednesday Night
Low: 28 °F
Chance Snow
and Breezy

Detailed Forecast

Tonight

Mostly clear, with a low around 30. West wind 13 to 20 mph, with gusts as high as 36 mph.

Sunday

Sunny, with a high near 46. West wind 17 to 20 mph, with gusts as high as 36 mph.

Sunday Night

Partly cloudy, with a low around 32. West southwest wind 7 to 17 mph, with gusts as high as 31 mph.

Monday

Mostly sunny, with a high near 53. West southwest wind 6 to 13 mph, with gusts as high as 25 mph.

Monday Night

Mostly cloudy, with a low around 37. West wind 5 to 13 mph, with gusts as high as 23 mph.

Tuesday

A chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Mostly cloudy, with a high near 54. Southwest wind 7 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Tuesday Night

A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 40. West southwest wind around 17 mph, with gusts as high as 31 mph.

Wednesday

A chance of rain. Partly sunny, with a high near 50. Breezy, with a west southwest wind 17 to 26 mph, with gusts as high as 45 mph.

Wednesday Night

A chance of snow. Mostly cloudy, with a low around 28. Breezy.

Thursday

A slight chance of snow. Mostly sunny, with a high near 40. Breezy.

Thursday Night

Partly cloudy, with a low around 26. Breezy.

Friday

Sunny, with a high near 47.

Friday Night

Mostly clear, with a low around 28.