Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

ST. MARY (SRYM8)

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

54°F

12°C

Humidity	51%
Wind Speed	SW 3 MPH
Barometer	NA
Dewpoint	36°F (2°C)
Visibility	NA
Last update	04 Sep 08:11 PM MDT

More Information:

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

Extended Forecast for

St Mary MT

Tonight
Low: 43 °F
Chance
Showers
Saturday
High: 61 °F
Showers
Likely
Saturday Night
Low: 44 °F
Showers
Sunday
High: 60 °F
Showers
Sunday Night
Low: 45 °F
Showers
Labor Day
High: 57 °F
Showers
Monday Night
Low: 40 °F
Showers
Tuesday
High: 59 °F
Chance
Showers
Tuesday Night
Low: 39 °F
Partly Cloudy

Detailed Forecast

Tonight

A chance of showers before 11pm, then a chance of showers after 4am. Increasing clouds, with a low around 43. Light and variable wind. Chance of precipitation is 40%.

Saturday

Showers likely, mainly before noon. Mostly cloudy, with a high near 61. Calm wind becoming south southeast around 6 mph in the afternoon. Chance of precipitation is 60%.

Saturday Night

Showers and thunderstorms before 5am, then showers likely. Low around 44. Light northeast wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers, with thunderstorms also possible after noon. High near 60. Calm wind becoming east northeast around 6 mph in the afternoon. Chance of precipitation is 90%.

Sunday Night

Showers and possibly a thunderstorm. Low around 45. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%.

Labor Day

Showers likely, then showers and possibly a thunderstorm after noon. High near 57. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Chance of precipitation is 90%.

Monday Night

Showers and possibly a thunderstorm before midnight, then showers likely. Low around 40. West southwest wind 7 to 13 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.

Tuesday

A chance of showers. Partly sunny, with a high near 59. West southwest wind 9 to 11 mph, with gusts as high as 24 mph.

Tuesday Night

Partly cloudy, with a low around 39.

Wednesday

Mostly sunny, with a high near 66.

Wednesday Night

Partly cloudy, with a low around 43.

Thursday

Sunny, with a high near 68.

Thursday Night

A slight chance of showers. Partly cloudy, with a low around 44.