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

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

Lat: 48.74111°NLon: 113.43306°WElev: 4550.0ft.

55°F

13°C

Humidity	90%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	52°F (11°C)
Visibility	NA
Last update	14 Jul 05:10 AM MDT

More Information:

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

Extended Forecast for

St Mary MT

Today
High: 71 °F
Partly Sunny
then Showers
Likely
Tonight
Low: 42 °F
Showers
Tuesday
High: 51 °F
Showers
Tuesday Night
Low: 39 °F
Chance
Showers then
Mostly Cloudy
Wednesday
High: 67 °F
Mostly Sunny
Wednesday Night
Low: 44 °F
Mostly Clear
Thursday
High: 70 °F
Sunny then
Chance
Showers
Thursday Night
Low: 46 °F
Chance
T-storms then
Mostly Cloudy
Friday
High: 71 °F
Mostly Sunny

Detailed Forecast

Today

A slight chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 71. Northwest wind 5 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

Tonight

Showers and possibly a thunderstorm. Low around 42. North northeast wind 14 to 17 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

Tuesday

Showers and possibly a thunderstorm before 3pm, then showers likely. High near 51. North northeast wind 13 to 17 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night

A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 39. Northeast wind 5 to 10 mph becoming light east after midnight. Winds could gust as high as 21 mph.

Wednesday

Mostly sunny, with a high near 67. Calm wind becoming south southeast 5 to 8 mph in the morning.

Wednesday Night

Mostly clear, with a low around 44. Southeast wind 3 to 7 mph.

Thursday

A 30 percent chance of showers after noon. Mostly sunny, with a high near 70. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

Thursday Night

A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 46. North wind 5 to 7 mph becoming calm after midnight.

Friday

Mostly sunny, with a high near 71.

Friday Night

Partly cloudy, with a low around 48.