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

High Wind Warning until March 21, 06:00 AM MDT

Current conditions at

ST. MARY (SRYM8)

Lat: 48.74108°NLon: 113.43289°WElev: 4557.0ft.

48°F

9°C

Humidity	75%
Wind Speed	SSW 10 MPH
Barometer	NA
Dewpoint	40°F (4°C)
Visibility	NA
Wind Chill	44°F (7°C)
Last update	20 Mar 09:11 PM MDT

More Information:

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

Extended Forecast for

7 Miles S St Mary MT

High Wind Warning March 20, 09:51pm until March 21, 06:00am

Click here for hazard details and duration

High Wind Warning

High Wind Warning March 20, 09:51pm until March 21, 06:00am
NOW until 6:00am Sat
High Wind Warning
Tonight
Low: 35 °F
Windy.
Rain/Snow
then Heavy
Snow
Saturday
High: 30 °F⇓
Windy. Snow
then Chance
Snow
Saturday Night
Low: 21 °F
Slight Chance
Snow and
Windy then
Mostly Clear
and Breezy
Sunday
High: 29 °F
Sunny and
Windy
Sunday Night
Low: 21 °F
Partly Cloudy
and Windy
Monday
High: 32 °F
Partly Sunny
and Breezy
Monday Night
Low: 21 °F
Mostly Cloudy
and Breezy
then Mostly
Cloudy
Tuesday
High: 33 °F
Chance Snow
and Breezy

Detailed Forecast

Tonight

Rain before 10pm, then rain, possibly mixed with snow between 10pm and 11pm, then snow after 11pm. The snow could be heavy at times. Steady temperature around 35. Windy, with a west southwest wind 31 to 40 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 2 to 4 inches possible.

Saturday

Snow, mainly before noon. Temperature falling to around 28 by noon. Windy, with a west wind 25 to 31 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Saturday Night

A 20 percent chance of snow before 7pm. Mostly clear, with a low around 21. Windy, with a west wind 25 to 31 mph, with gusts as high as 44 mph.

Sunday

Sunny, with a high near 29. Windy, with a west southwest wind 29 to 34 mph increasing to 35 to 40 mph in the afternoon. Winds could gust as high as 65 mph.

Sunday Night

Partly cloudy, with a low around 21. Windy, with a west southwest wind 35 to 40 mph decreasing to 24 to 29 mph after midnight. Winds could gust as high as 60 mph.

Monday

Partly sunny, with a high near 32. Breezy, with a west southwest wind 22 to 26 mph, with gusts as high as 37 mph.

Monday Night

Mostly cloudy, with a low around 21. Breezy, with a west southwest wind 13 to 22 mph, with gusts as high as 37 mph.

Tuesday

A chance of snow, mainly after noon. Mostly cloudy, with a high near 33. Breezy, with a west southwest wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 43 mph.

Tuesday Night

A chance of rain and snow before 3am, then a chance of snow. Mostly cloudy, with a low around 27. Windy.

Wednesday

A chance of snow. Mostly cloudy, with a high near 30. Windy.

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 24. Breezy.

Thursday Night

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

Friday

Sunny, with a high near 31.