Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

High Wind Warning in effect from March 18, 06:00 AM MDT until March 18, 09:00 PM MDT

Current conditions at

ST. MARY (SRYM8)

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

43°F

6°C

Humidity	71%
Wind Speed	SSW 17 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Wind Chill	35°F (2°C)
Last update	17 Mar 06:11 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 18, 06:00am until March 18, 09:00pm

Click here for hazard details and duration

High Wind Warning

Tonight
Low: 31 °F
Chance
Rain/Snow and
Very Windy
Wednesday
High: 33 °F
Chance Snow
and Very
Windy
Wednesday Night
Low: 32 °F
Very Windy.
Slight Chance
Snow then
Slight Chance
Rain/Snow
Thursday
High: 37 °F
Very Windy.
Slight Chance
Snow then
Slight Chance
Rain/Snow
Thursday Night
Low: 35 °F
Slight Chance
Rain/Snow and
Very Windy
Friday
High: 40 °F
Chance
Rain/Snow and
Very Windy
Friday Night
Low: 28 °F
Windy.
Rain/Snow
Likely then
Chance Snow
Saturday
High: 32 °F
Snow Likely
and Windy
Saturday Night
Low: 19 °F
Chance Snow
and Windy

Detailed Forecast

Tonight

A slight chance of snow between 10pm and 3am, then a chance of rain and snow. Mostly cloudy, with a low around 31. Very windy, with a west southwest wind 41 to 48 mph, with gusts as high as 60 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

Wednesday

A 50 percent chance of snow, mainly before 3pm. Partly sunny, with a high near 33. Very windy, with a west southwest wind 45 to 48 mph, with gusts as high as 60 mph. New snow accumulation of around an inch possible.

Wednesday Night

A slight chance of snow before midnight, then a slight chance of rain and snow. Mostly cloudy, with a low around 32. Very windy, with a west southwest wind 45 to 47 mph, with gusts as high as 60 mph. Chance of precipitation is 20%.

Thursday

A slight chance of snow before 3pm, then a slight chance of rain and snow. Mostly sunny, with a high near 37. Very windy, with a west southwest wind 46 to 50 mph, with gusts as high as 70 mph. Chance of precipitation is 20%.

Thursday Night

A slight chance of rain and snow. Mostly cloudy, with a low around 35. Very windy, with a west southwest wind 49 to 55 mph, with gusts as high as 65 mph. Chance of precipitation is 20%.

Friday

A chance of rain and snow. Partly sunny, with a high near 40. Very windy, with a west southwest wind 43 to 47 mph, with gusts as high as 60 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Friday Night

Rain and snow likely before midnight, then a chance of snow. Mostly cloudy, with a low around 28. Windy, with a west southwest wind 39 to 44 mph decreasing to 33 to 38 mph after midnight. Winds could gust as high as 60 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday

Snow likely, mainly before noon. Mostly cloudy, with a high near 32. Windy, with a west southwest wind 29 to 33 mph, with gusts as high as 44 mph.

Saturday Night

A chance of snow, mainly before midnight. Partly cloudy, with a low around 19. Windy.

Sunday

A slight chance of snow before noon. Mostly sunny, with a high near 28. Breezy.

Sunday Night

Partly cloudy, with a low around 19. Windy.

Monday

Partly sunny, with a high near 32. Windy.

Monday Night

A slight chance of snow. Mostly cloudy, with a low around 23. Windy.