Heavy Rain in the Southern Appalachians; Fire Weather and Heat in the West; Monitoring Tropical Storm Erin

Heavy to excessive rainfall over the southern Appalachians may bring areas of flooding today. Gusty winds and low relative humidity will bring critical fire weather conditions to parts of the Great Basin and northern Rockies today and Thursday. Hot to extremely hot temperatures are in place through today across parts of the western U.S. Read More >

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

80°F

27°C

Humidity	20%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	NA
Heat Index	79°F (26°C)
Last update	13 Aug 04:10 PM MDT

More Information:

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

Extended Forecast for

5 Miles SW St Mary MT

Tonight
Low: 49 °F
Mostly Clear
then Slight
Chance
T-storms
Thursday
High: 69 °F
Slight Chance
Showers then
Mostly Sunny
Thursday Night
Low: 47 °F
Mostly Cloudy
Friday
High: 69 °F
Partly Sunny
Friday Night
Low: 53 °F
Mostly Cloudy
Saturday
High: 69 °F
Partly Sunny
Saturday Night
Low: 50 °F
Mostly Cloudy
Sunday
High: 73 °F
Mostly Sunny
Sunday Night
Low: 51 °F
Mostly Cloudy

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms between midnight and 3am, then a slight chance of showers after 3am. Increasing clouds, with a low around 49. West southwest wind 16 to 21 mph becoming east 6 to 11 mph after midnight. Winds could gust as high as 43 mph. Chance of precipitation is 20%.

Thursday

A 20 percent chance of showers before 7am. Partly sunny, with a high near 69. East wind 6 to 11 mph becoming west southwest in the morning. Winds could gust as high as 23 mph.

Thursday Night

Mostly cloudy, with a low around 47. West wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.

Friday

Partly sunny, with a high near 69. Southwest wind 5 to 14 mph, with gusts as high as 26 mph.

Friday Night

Mostly cloudy, with a low around 53. Southwest wind around 11 mph, with gusts as high as 26 mph.

Saturday

Partly sunny, with a high near 69. Southwest wind 11 to 16 mph, with gusts as high as 33 mph.

Saturday Night

Mostly cloudy, with a low around 50. West southwest wind 9 to 14 mph, with gusts as high as 30 mph.

Sunday

Mostly sunny, with a high near 73. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.