Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Hazardous Weather Conditions

Winter Storm Watch in effect from June 21, 12:00 PM MDT until June 22, 12:00 PM MDT

Current conditions at

ST. MARY (SRYM8)

Lat: 48.74108°NLon: 113.43289°WElev: 4557.0ft.

73°F

23°C

Humidity	24%
Wind Speed	SW 9 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Last update	18 Jun 07:11 PM MDT

More Information:

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

Extended Forecast for

St Mary MT

Winter Storm Watch June 21, 12:00pm until June 22, 12:00pm

Click here for hazard details and duration

Winter Storm Watch

Tonight
Low: 48 °F
Mostly Clear
Juneteenth
High: 74 °F
Increasing
Clouds
Thursday Night
Low: 45 °F
Slight Chance
Showers then
Showers
Friday
High: 57 °F
Rain Likely
then Showers
Friday Night
Low: 37 °F
Showers
Saturday
High: 47 °F
Showers
Saturday Night
Low: 31 °F
Rain then
Rain/Snow
Sunday
High: 45 °F
Showers
Sunday Night
Low: 32 °F
Chance Rain

Detailed Forecast

Tonight

Mostly clear, with a low around 48. Southwest wind 9 to 11 mph, with gusts as high as 25 mph.

Juneteenth

Increasing clouds, with a high near 74. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

Thursday Night

Showers, mainly after 5am. Low around 45. West southwest wind around 6 mph becoming light and variable. Chance of precipitation is 80%.

Friday

Rain likely, then showers and possibly a thunderstorm after noon. High near 57. North wind 5 to 8 mph. Chance of precipitation is 90%.

Friday Night

Showers and possibly a thunderstorm. Low around 37. West wind around 6 mph. Chance of precipitation is 100%.

Saturday

Rain before noon, then showers and possibly a thunderstorm after noon. High near 47. West wind 9 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 90%.

Saturday Night

Rain before 3am, then rain and snow. Low around 31. West northwest wind 9 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Sunday

Rain before noon, then showers likely and possibly a thunderstorm after noon. Cloudy, with a high near 45. West northwest wind 7 to 9 mph, with gusts as high as 18 mph.

Sunday Night

A chance of rain before midnight, then a chance of showers after midnight. Mostly cloudy, with a low around 32.

Monday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 55.

Monday Night

A chance of showers. Partly cloudy, with a low around 36.

Tuesday

A chance of showers and thunderstorms. Mostly sunny, with a high near 65.

Tuesday Night

Mostly clear, with a low around 42.

Wednesday

Mostly sunny, with a high near 72.