Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Current conditions at

USCRN SITE NEAR ST. MARY 1SSW (MRYM8)

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

52°F

11°C

Humidity	89%
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	49°F (9°C)
Visibility	NA
Last update	14 Jul 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: 42 °F
Showers
Tuesday
High: 53 °F
Showers
Tuesday Night
Low: 41 °F
Chance
Showers and
Patchy Fog
then Patchy
Fog
Wednesday
High: 69 °F
Areas Fog
then Mostly
Sunny
Wednesday Night
Low: 45 °F
Partly Cloudy
Thursday
High: 72 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 46 °F
Slight Chance
T-storms then
Mostly Cloudy
Friday
High: 74 °F
Partly Sunny
Friday Night
Low: 51 °F
Mostly Cloudy

Detailed Forecast

Tonight

Showers and possibly a thunderstorm. Low around 42. North northeast wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Tuesday

Showers and possibly a thunderstorm before 3pm, then a chance of showers. High near 53. Northeast wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Tuesday Night

A 30 percent chance of showers before midnight. Patchy fog before 2am, then patchy fog after 3am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 41. Northeast wind 5 to 9 mph becoming light and variable after midnight.

Wednesday

Areas of fog before 8am. Otherwise, mostly sunny, with a high near 69. Calm wind becoming south southeast 5 to 7 mph in the morning.

Wednesday Night

Partly cloudy, with a low around 45. Southeast wind 3 to 7 mph.

Thursday

A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72. Calm wind becoming north 5 to 8 mph in the morning.

Thursday Night

A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 46. North wind 5 to 7 mph becoming calm after midnight.

Friday

Partly sunny, with a high near 74. Calm wind becoming east 5 to 7 mph in the afternoon.

Friday Night

Mostly cloudy, with a low around 51.

Saturday

Partly sunny, with a high near 78.

Saturday Night

Partly cloudy, with a low around 52.

Sunday

A slight chance of showers. Mostly sunny, with a high near 76.

Sunday Night

A slight chance of showers. Partly cloudy, with a low around 48.