Severe Thunderstorm and Excessive Rainfall Threats Today; Excessive Heat Returns Tuesday

The greatest threat for severe thunderstorms today exists from northern Arkansas into northwest Alabama where large hail and damaging winds are possible. Heavy to excessive rainfall could bring flooding through tonight over parts of the southern High Plains into north-central Texas. Excessive heat will return to the southwestern U.S. by Tuesday. Read More >

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

67°F

19°C

Humidity	37%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	40°F (4°C)
Visibility	NA
Last update	09 Jun 06:10 PM MDT

More Information:

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

Extended Forecast for

St Mary MT

Tonight
Low: 51 °F
Chance
Showers
Monday
High: 71 °F
Slight Chance
Showers then
Slight Chance
T-storms
Monday Night
Low: 50 °F
Partly Cloudy
Tuesday
High: 72 °F
Mostly Sunny
then Sunny
and Breezy
Tuesday Night
Low: 53 °F
Mostly Clear
and Breezy
Wednesday
High: 66 °F
Sunny and
Breezy
Wednesday Night
Low: 42 °F
Mostly Clear
and Breezy
then Mostly
Clear
Thursday
High: 70 °F
Sunny
Thursday Night
Low: 46 °F
Mostly Clear

Detailed Forecast

Tonight

A chance of showers and thunderstorms. Cloudy, then gradually becoming partly cloudy, with a low around 51. East southeast wind 5 to 8 mph becoming southwest after midnight. Chance of precipitation is 50%.

Monday

A slight chance of showers between 11am and noon, then a slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71. West southwest wind 8 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Monday Night

Partly cloudy, with a low around 50. West southwest wind 10 to 17 mph, with gusts as high as 24 mph.

Tuesday

Mostly sunny, with a high near 72. Breezy, with a west southwest wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph.

Tuesday Night

Mostly clear, with a low around 53. Breezy, with a west southwest wind 22 to 26 mph, with gusts as high as 37 mph.

Wednesday

Sunny, with a high near 66. Breezy, with a west southwest wind 21 to 24 mph, with gusts as high as 33 mph.

Wednesday Night

Mostly clear, with a low around 42. Breezy, with a west southwest wind 18 to 23 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 32 mph.

Thursday

Sunny, with a high near 70. West southwest wind 3 to 7 mph.

Thursday Night

Mostly clear, with a low around 46.

Friday

Mostly sunny, with a high near 72.

Friday Night

Partly cloudy, with a low around 46.

Saturday

Mostly sunny, with a high near 61.

Saturday Night

A slight chance of showers. Partly cloudy, with a low around 41.