Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

76°F

24°C

Humidity	40%
Wind Speed	NA 3 MPH
Barometer	NA
Dewpoint	50°F (10°C)
Visibility	NA
Heat Index	78°F (26°C)
Last update	22 Aug 01:10 PM MDT

More Information:

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

Extended Forecast for

8 Miles SSW St Mary MT

This Afternoon
High: 70 °F
Slight Chance
T-storms
Tonight
Low: 54 °F
Slight Chance
T-storms then
Chance
Showers
Sunday
High: 59 °F
Slight Chance
Showers then
Patchy Smoke
and Breezy
Sunday Night
Low: 45 °F
Mostly Clear
and Breezy
then Patchy
Smoke
Monday
High: 61 °F
Patchy Smoke
then Sunny
Monday Night
Low: 45 °F
Mostly Clear
Tuesday
High: 67 °F
Sunny
Tuesday Night
Low: 50 °F
Mostly Clear
Wednesday
High: 70 °F
Mostly Sunny

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms before 3pm. Mostly sunny, with a high near 70. West southwest wind 6 to 8 mph.

Tonight

A slight chance of showers and thunderstorms, then a chance of showers after 2am. Partly cloudy, with a low around 54. South southwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

Sunday

A 20 percent chance of showers before 7am. Patchy smoke between 2pm and 3pm. Cloudy through mid morning, then gradual clearing, with a high near 59. Breezy, with a west southwest wind 13 to 18 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 39 mph.

Sunday Night

Patchy smoke after 1am. Mostly clear, with a low around 45. Breezy, with a west southwest wind 20 to 25 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 41 mph.

Monday

Patchy smoke before 7am. Sunny, with a high near 61. West southwest wind around 10 mph.

Monday Night

Mostly clear, with a low around 45. West wind 5 to 8 mph becoming northeast after midnight.

Tuesday

Sunny, with a high near 67. Southwest wind 5 to 7 mph becoming southeast in the morning.

Tuesday Night

Mostly clear, with a low around 50. South southwest wind 5 to 7 mph becoming light and variable after midnight.

Wednesday

Mostly sunny, with a high near 70.

Wednesday Night

Partly cloudy, with a low around 51.