Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

73°F

23°C

Humidity	36%
Wind Speed	NA 4 MPH
Barometer	NA
Dewpoint	44°F (7°C)
Visibility	NA
Last update	18 Aug 02:10 PM MDT

More Information:

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

Extended Forecast for

St Mary MT

This Afternoon
High: 73 °F
Chance
T-storms
Tonight
Low: 50 °F
Slight Chance
T-storms then
Patchy Smoke
Wednesday
High: 76 °F
Patchy Smoke
Wednesday Night
Low: 50 °F
Patchy Smoke
then Partly
Cloudy
Thursday
High: 75 °F
Sunny
Thursday Night
Low: 49 °F
Mostly Clear
Friday
High: 80 °F
Sunny
Friday Night
Low: 55 °F
Partly Cloudy
then Slight
Chance
Showers
Saturday
High: 79 °F
Chance
Showers

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms, mainly before 5pm. Patchy smoke. Partly sunny, with a high near 73. West southwest wind around 10 mph, with gusts as high as 23 mph.

Tonight

A 20 percent chance of showers and thunderstorms before 7pm. Patchy smoke before 4am, then patchy smoke after 5am. Mostly clear, with a low around 50. Southwest wind 7 to 10 mph, with gusts as high as 23 mph.

Wednesday

Patchy smoke. Mostly sunny, with a high near 76. West southwest wind 6 to 10 mph, with gusts as high as 20 mph.

Wednesday Night

Patchy smoke before 11pm. Mostly clear, with a low around 50. West southwest wind 3 to 6 mph.

Thursday

Sunny, with a high near 75. Calm wind becoming north northeast around 6 mph in the afternoon.

Thursday Night

Mostly clear, with a low around 49. North wind around 5 mph becoming calm in the evening.

Friday

Sunny, with a high near 80. Calm wind becoming east southeast around 6 mph in the afternoon.

Friday Night

A slight chance of showers after midnight. Mostly cloudy, with a low around 55. East southeast wind around 6 mph becoming calm in the evening.