Monsoon Flood Threat in the Southwest; Hot in the South and Northwest

Monsoonal heavy rain will continue flash flood potential across the Southwest and Intermountain West to the central and southern Rockies through this weekend, especially in complex terrain, burn scars, and urban areas. Excessive heat and humidity with heat indices over 110 degrees will be common over much of the Deep South and interior Northwest this weekend. Read More >

Hazardous Weather Conditions

Air Quality Alert

En Español

Current conditions at

ST. MARY (SRYM8)

Lat: 48.739856°NLon: 113.432267°WElev: 4560ft.

87°F

31°C

Humidity	25%
Wind Speed	SE 8 MPH
Barometer	NA
Dewpoint	47°F (8°C)
Visibility	NA
Heat Index	84°F (29°C)
Last update	31 Jul 04:11 PM MDT

More Information:

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

Extended Forecast for

10 Miles SSW St Mary MT

Tonight

Haze
Low: 60 °F
Sunday

Haze then
Slight Chance
Showers
High: 78 °F
Sunday
Night

Chance
Showers
Low: 59 °F
Monday

Chance
Showers then
Showers
Likely
High: 68 °F
Monday
Night

Chance
T-storms then
Mostly Cloudy
Low: 56 °F
Tuesday

Partly Sunny
then Slight
Chance
T-storms
High: 69 °F
Tuesday
Night

Mostly Clear
Low: 54 °F
Wednesday

Sunny
High: 72 °F
Wednesday
Night

Chance
Showers
Low: 54 °F

Detailed Forecast

Tonight

Widespread haze. Partly cloudy, with a low around 60. East wind 9 to 13 mph, with gusts as high as 23 mph.

Sunday

A 20 percent chance of showers after noon. Widespread haze. Mostly sunny, with a high near 78. East southeast wind 8 to 11 mph, with gusts as high as 25 mph.

Sunday Night

A chance of showers, with thunderstorms also possible after midnight. Widespread haze before 1am. Mostly cloudy, with a low around 59. East southeast wind 8 to 10 mph becoming southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 50%.

Monday

A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 68. West southwest wind 8 to 10 mph. Chance of precipitation is 70%.

Monday Night

A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56. West southwest wind around 10 mph.

Tuesday

A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 69. West southwest wind 9 to 13 mph, with gusts as high as 22 mph.

Tuesday Night

Mostly clear, with a low around 54. West southwest wind 7 to 13 mph, with gusts as high as 22 mph.

Wednesday

Sunny, with a high near 72. West wind 7 to 11 mph.

Wednesday Night

A chance of showers, mainly after midnight. Partly cloudy, with a low around 54.

Thursday

A chance of showers. Partly sunny, with a high near 68.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.

Friday

A chance of showers and thunderstorms. Partly sunny, with a high near 57.