Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >

Hazardous Weather Conditions

High Wind Warning in effect from March 20, 06:00 AM MDT until March 21, 12:00 PM MDT

Current conditions at

ST. MARY (SRYM8)

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

49°F

9°C

Humidity	63%
Wind Speed	SW 24 MPH
Barometer	NA
Dewpoint	37°F (3°C)
Visibility	NA
Wind Chill	42°F (6°C)
Last update	20 Mar 03:11 AM 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, 06:00am until March 21, 12:00pm

Click here for hazard details and duration

High Wind Warning

Overnight
Low: 31 °F
Rain Likely
and Very
Windy
Friday
High: 41 °F
Rain/Snow
Likely and
Very Windy
Friday Night
Low: 43 °F
Rain/Snow and
Very Windy
Saturday
High: 39 °F
Windy. Snow
then Heavy
Snow
Saturday Night
Low: 19 °F
Windy. Chance
Snow then
Mostly Clear
Sunday
High: 26 °F
Sunny and
Windy
Sunday Night
Low: 20 °F
Partly Cloudy
and Windy
Monday
High: 31 °F
Partly Sunny
and Breezy
Monday Night
Low: 22 °F
Mostly Cloudy
and Breezy
then Mostly
Cloudy

Detailed Forecast

Overnight

Rain likely, mainly after 5am. Mostly cloudy, with a low around 31. Very windy, with a west southwest wind 50 to 55 mph, with gusts as high as 80 mph. Chance of precipitation is 60%.

Friday

Rain and snow likely before 2pm, then a chance of rain. Mostly cloudy, with a high near 41. Very windy, with a west southwest wind around 50 mph, with gusts as high as 80 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday Night

Rain and snow, becoming all snow after 2am. Steady temperature around 43. Very windy, with a west southwest wind 45 to 50 mph decreasing to 40 to 45 mph after midnight. Winds could gust as high as 75 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Saturday

Snow, mainly before noon. The snow could be heavy at times. High near 39. Windy, with a west wind 36 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Saturday Night

A 30 percent chance of snow before midnight. Partly cloudy, with a low around 19. Windy, with a west southwest wind 34 to 40 mph, with gusts as high as 60 mph. New snow accumulation of less than a half inch possible.

Sunday

Sunny, with a high near 26. Windy, with a west southwest wind 28 to 33 mph increasing to 34 to 39 mph in the afternoon. Winds could gust as high as 55 mph.

Sunday Night

Partly cloudy, with a low around 20. Windy, with a west southwest wind 36 to 41 mph decreasing to 25 to 30 mph after midnight. Winds could gust as high as 55 mph.

Monday

Partly sunny, with a high near 31. Breezy, with a west southwest wind 23 to 29 mph, with gusts as high as 39 mph.

Monday Night

Mostly cloudy, with a low around 22. Breezy.

Tuesday

Snow likely, mainly after noon. Mostly cloudy, with a high near 33. Breezy.

Tuesday Night

Rain and snow likely. Mostly cloudy, with a low around 27. Windy.

Wednesday

A chance of snow. Partly sunny, with a high near 30. Windy.

Wednesday Night

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