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	76%
Wind Speed	SSW 18 MPH
Barometer	NA
Dewpoint	36°F (2°C)
Visibility	NA
Wind Chill	35°F (2°C)
Last update	17 Mar 11:11 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

Overnight
Low: 30 °F
Chance
Rain/Snow and
Very Windy
Wednesday
High: 33 °F
Very Windy.
Rain/Snow
Likely then
Chance Snow
Wednesday Night
Low: 32 °F
Slight Chance
Snow and Very
Windy
Thursday
High: 36 °F
Slight Chance
Snow and Very
Windy
Thursday Night
Low: 34 °F
Chance
Rain/Snow and
Very Windy
Friday
High: 37 °F
Rain/Snow
Likely and
Very Windy
Friday Night
Low: 26 °F
Windy.
Rain/Snow
Likely then
Snow Likely
Saturday
High: 31 °F
Chance Snow
and Windy
Saturday Night
Low: 16 °F
Slight Chance
Snow and
Breezy then
Mostly Clear

Detailed Forecast

Overnight

A chance of snow after 2am, mixing with rain after 4am. Mostly cloudy, with a low around 30. Very windy, with a west southwest wind 44 to 49 mph, with gusts as high as 60 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

Wednesday

Rain and snow likely before 10am, then a chance of snow between 10am and 4pm. Partly sunny, with a high near 33. Very windy, with a west southwest wind 43 to 50 mph, with gusts as high as 65 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

Wednesday Night

A 20 percent chance of snow between 1am and 2am. Partly cloudy, with a low around 32. Very windy, with a west southwest wind 45 to 48 mph, with gusts as high as 60 mph.

Thursday

A 20 percent chance of snow. Mostly sunny, with a high near 36. Very windy, with a west southwest wind 48 to 50 mph, with gusts as high as 65 mph.

Thursday Night

A chance of rain and snow. Mostly cloudy, with a low around 34. Very windy, with a west southwest wind 46 to 50 mph, with gusts as high as 65 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Friday

Rain and snow likely, mainly after noon. Mostly cloudy, with a high near 37. Very windy, with a west southwest wind 38 to 45 mph, with gusts as high as 65 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday Night

Rain and snow likely, becoming all snow after midnight. Mostly cloudy, with a low around 26. Windy, with a southwest wind 37 to 41 mph, with gusts as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Saturday

A chance of snow. Partly sunny, with a high near 31. Windy, with a west wind 28 to 33 mph, with gusts as high as 44 mph.

Saturday Night

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

Sunday

Sunny, with a high near 28. Breezy.

Sunday Night

Mostly clear, with a low around 19. Breezy.

Monday

Partly sunny, with a high near 28. Breezy.

Monday Night

A slight chance of snow. Mostly cloudy, with a low around 21. Windy.