Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Current conditions at

ST. MARY (SRYM8)

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

57°F

14°C

Humidity	77%
Wind Speed	SE 3 MPH
Barometer	NA
Dewpoint	50°F (10°C)
Visibility	NA
Last update	14 Jul 01:11 AM MDT

More Information:

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

Extended Forecast for

St Mary MT

Overnight
Low: 55 °F
Partly Cloudy
Monday
High: 73 °F
Mostly Sunny
then Showers
Likely
Monday Night
Low: 42 °F
Showers
Tuesday
High: 52 °F
Showers then
Chance
Showers
Tuesday Night
Low: 40 °F
Chance
Showers then
Mostly Cloudy
Wednesday
High: 66 °F
Mostly Sunny
Wednesday Night
Low: 43 °F
Mostly Clear
Thursday
High: 71 °F
Sunny then
Slight Chance
T-storms
Thursday Night
Low: 47 °F
Slight Chance
T-storms then
Mostly Cloudy

Detailed Forecast

Overnight

Partly cloudy, with a low around 55. Southwest wind around 5 mph becoming northwest.

Monday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 73. South southwest wind 5 to 13 mph becoming north in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

Showers and possibly a thunderstorm. Low around 42. North northeast wind around 17 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Tuesday

Showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. High near 52. Northeast wind 11 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.

Tuesday Night

A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 40. Northeast wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

Wednesday

Mostly sunny, with a high near 66. South southeast wind 3 to 7 mph.

Wednesday Night

Mostly clear, with a low around 43. Southeast wind around 6 mph becoming calm after midnight.

Thursday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71. Calm wind becoming north 5 to 7 mph in the afternoon.

Thursday Night

A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 47.

Friday

Mostly sunny, with a high near 73.

Friday Night

Partly cloudy, with a low around 49.