Record Heat Remains in Place This Week; Severe Thunderstorms Possible Thursday

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and return back to areas of the central/southern Plains and mid-lower Mississippi Valley this week. Over 200 new record high temperatures are forecast. Severe thunderstorms are being outlooked on Thursday over the Midwest. Read More >

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

23°F

-5°C

Humidity	84%
Wind Speed	NA 5 MPH
Barometer	NA
Dewpoint	18°F (-8°C)
Visibility	NA
Wind Chill	17°F (-8°C)
Last update	23 Mar 07:10 AM MDT

More Information:

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

Extended Forecast for

St Mary MT

Today
High: 49 °F
Decreasing
Clouds
Tonight
Low: 32 °F
Increasing
Clouds
Tuesday
High: 46 °F
Slight Chance
Snow then
Rain/Snow
Likely
Tuesday Night
Low: 37 °F
Rain/Snow
then Chance
Rain
Wednesday
High: 45 °F
Chance
Rain/Snow
then Chance
Snow and
Breezy
Wednesday Night
Low: 23 °F
Chance Snow
Showers
Thursday
High: 37 °F
Chance Snow
Showers
Thursday Night
Low: 22 °F
Mostly Clear
Friday
High: 46 °F
Sunny

Detailed Forecast

Today

Mostly cloudy, then gradually becoming sunny, with a high near 49. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 23 mph.

Tonight

Increasing clouds, with a low around 32. South southwest wind 6 to 10 mph, with gusts as high as 23 mph.

Tuesday

Snow likely before 3pm, then rain and snow likely. Mostly cloudy, with a high near 46. Southwest wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Tuesday Night

Rain, possibly mixed with snow, becoming all rain after 9pm. Low around 37. Southwest wind 10 to 17 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Wednesday

A chance of rain before 9am, then a chance of rain and snow between 9am and noon, then a chance of snow after noon. Partly sunny, with a high near 45. Breezy, with a west southwest wind 17 to 24 mph, with gusts as high as 47 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Wednesday Night

A 50 percent chance of snow showers. Mostly cloudy, with a low around 23. West wind 9 to 18 mph, with gusts as high as 39 mph. New snow accumulation of less than a half inch possible.

Thursday

A 40 percent chance of snow showers. Partly sunny, with a high near 37. West southwest wind 8 to 14 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.

Thursday Night

Mostly clear, with a low around 22. West southwest wind 6 to 11 mph, with gusts as high as 26 mph.

Friday

Sunny, with a high near 46.

Friday Night

Mostly clear, with a low around 28.

Saturday

Sunny, with a high near 55.

Saturday Night

Partly cloudy, with a low around 35.

Sunday

Mostly sunny, with a high near 57.