Severe Thunderstorms and Flash Flooding Potential Across the Gulf Coast States

Strong to severe thunderstorms capable of producing large hail, damaging winds, a few tornadoes and heavy rain will be in play across the western and central Gulf Coast over the next few days. Multiple rounds of heavy rainfall may lead to considerable flash and urban flooding especially within vulnerable areas. New and renewed river flooding will also be possible. Read More >

Current conditions at

ST. MARY (SRYM8)

Lat: 48.74083°NLon: 113.43278°WElev: 4557.0ft.

54°F

12°C

Humidity	54%
Wind Speed	ESE 4 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Last update	13 May 10:11 PM MDT

More Information:

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

Extended Forecast for

5 Miles SW St Mary MT

Tonight
Low: 41 °F
Showers
Likely
Tuesday
High: 59 °F
Showers then
Partly Sunny
Tuesday Night
Low: 38 °F
Decreasing
Clouds
Wednesday
High: 64 °F
Partly Sunny
Wednesday Night
Low: 43 °F
Slight Chance
Showers then
Mostly Cloudy
Thursday
High: 66 °F
Partly Sunny
then Slight
Chance
Showers and
Breezy
Thursday Night
Low: 42 °F
Chance
Showers and
Windy
Friday
High: 58 °F
Chance
Showers and
Breezy
Friday Night
Low: 34 °F
Showers
Likely

Detailed Forecast

Tonight

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 41. West southwest wind 8 to 10 mph. Chance of precipitation is 70%.

Tuesday

Rain and possibly a thunderstorm before 11am, then a chance of rain between 11am and noon. High near 59. West wind 6 to 8 mph becoming east northeast in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Mostly cloudy, then gradually becoming mostly clear, with a low around 38. West southwest wind 7 to 9 mph.

Wednesday

Partly sunny, with a high near 64. West southwest wind 8 to 18 mph, with gusts as high as 28 mph.

Wednesday Night

A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 43. West southwest wind 15 to 21 mph, with gusts as high as 30 mph.

Thursday

A 20 percent chance of showers after noon. Partly sunny, with a high near 66. Breezy, with a west southwest wind 16 to 21 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 43 mph.

Thursday Night

A 30 percent chance of showers, mainly before midnight. Partly cloudy, with a low around 42. Windy, with a west southwest wind 21 to 31 mph, with gusts as high as 47 mph.

Friday

A chance of showers. Partly sunny, with a high near 58. Breezy, with a west southwest wind around 22 mph, with gusts as high as 33 mph.

Friday Night

Showers likely, mainly before midnight. Mostly cloudy, with a low around 34.

Saturday

A chance of rain and snow showers before noon, then a chance of rain showers. Partly sunny, with a high near 51.

Saturday Night

A slight chance of showers. Partly cloudy, with a low around 31.

Sunday

A slight chance of showers. Mostly sunny, with a high near 56.

Sunday Night

A slight chance of showers. Partly cloudy, with a low around 37.