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

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

Lat: 48.74111°NLon: 113.43306°WElev: 4550.0ft.

33°F

1°C

Humidity	84%
Wind Speed	NA 2 MPH
Barometer	NA
Dewpoint	28°F (-2°C)
Visibility	NA
Last update	22 Mar 02:10 AM MDT

More Information:

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

Extended Forecast for

5 Miles WSW St Mary MT

Overnight
Low: 18 °F
Mostly Clear
and Breezy
Sunday
High: 28 °F
Sunny and
Breezy
Sunday Night
Low: 20 °F
Partly Cloudy
and Breezy
then Partly
Cloudy
Monday
High: 35 °F
Mostly Sunny
Monday Night
Low: 24 °F
Mostly Cloudy
Tuesday
High: 32 °F
Chance Snow
then Snow
Likely
Tuesday Night
Low: 25 °F
Snow Likely
and Windy
Wednesday
High: 30 °F
Chance Snow
and Windy
Wednesday Night
Low: 16 °F
Chance Snow
and Windy

Detailed Forecast

Overnight

Mostly clear, with a low around 18. Breezy, with a west southwest wind around 26 mph, with gusts as high as 46 mph.

Sunday

Sunny, with a high near 28. Breezy, with a west southwest wind 22 to 29 mph, with gusts as high as 50 mph.

Sunday Night

Partly cloudy, with a low around 20. Breezy, with a west southwest wind 21 to 26 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 48 mph.

Monday

Mostly sunny, with a high near 35. West southwest wind 11 to 21 mph, with gusts as high as 37 mph.

Monday Night

Mostly cloudy, with a low around 24. West southwest wind 11 to 17 mph, with gusts as high as 34 mph.

Tuesday

Snow likely, mainly after noon. Mostly cloudy, with a high near 32. West southwest wind 11 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Tuesday Night

Snow likely, mainly before midnight. Mostly cloudy, with a low around 25. Windy, with a southwest wind 28 to 38 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

Wednesday

A chance of snow. Partly sunny, with a high near 30. Windy, with a west southwest wind 37 to 41 mph, with gusts as high as 60 mph.

Wednesday Night

A chance of snow. Mostly cloudy, with a low around 16. Windy.

Thursday

A chance of snow. Partly sunny, with a high near 26. Windy.

Thursday Night

A slight chance of snow. Partly cloudy, with a low around 16. Breezy.

Friday

Sunny, with a high near 31. Breezy.

Friday Night

Mostly clear, with a low around 17. Breezy.