National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain Threat Along Central Gulf Coast and in the Pacific Northwest

Locally heavy rainfall and flash flooding remains likely along the central Gulf Coast into the weekend from southeast Louisiana to the Florida Panhandle. A strong cold front will bring heavy rain and some high elevation snow with the arrival of cooler temperatures to the Northwest through the weekend. Widespread elevated fire threat possible from the Great Basin into the northern/central Plains. Read More >

Hazardous Weather Conditions

Current conditions at

ST. MARY (SRYM8)

Lat: 48.739856°NLon: 113.432267°WElev: 4560ft.

NA

39°F

4°C

Humidity 47%
Wind Speed SSE 5 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Wind Chill35°F (2°C)
Last update 17 Sep 12:11 AM MDT
Extended Forecast for

10 Miles SSW St Mary MT

High Wind Watch September 18, 09:00am until September 18, 09:00pm
Click here for hazard details and duration
High Wind Watch

  • Overnight

    Overnight: Increasing clouds, with a low around 32. South wind around 10 mph.

    Increasing
    Clouds

    Low: 32 °F

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 49. Windy, with a south southwest wind 10 to 20 mph increasing to 23 to 33 mph. Winds could gust as high as 65 mph.

    Decreasing
    Clouds and
    Windy

    High: 49 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 43. Windy, with a west southwest wind 31 to 34 mph, with gusts as high as 50 mph.

    Partly Cloudy
    and Windy

    Low: 43 °F

  • Saturday

    Saturday: A 50 percent chance of rain, mainly after noon. Partly sunny, with a high near 50. Windy, with a southwest wind 39 to 44 mph decreasing to 33 to 38 mph in the afternoon. Winds could gust as high as 60 mph.

    Windy. Slight
    Chance Rain
    then Chance
    Rain

    High: 50 °F

  • Saturday
    Night

    Saturday Night: Rain likely before 9pm, then rain and snow likely. Mostly cloudy, with a low around 36. Windy, with a west southwest wind 28 to 33 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 49 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Rain/Snow
    Likely and
    Windy

    Low: 36 °F

  • Sunday

    Sunday: Rain and snow likely, mainly after noon. Mostly cloudy, with a high near 41. West southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

    High: 41 °F

  • Sunday
    Night

    Sunday Night: Rain and snow likely. Mostly cloudy, with a low around 35. West southwest wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Rain/Snow
    Likely

    Low: 35 °F

  • Monday

    Monday: Rain and snow likely. Mostly cloudy, with a high near 41. West wind 11 to 13 mph, with gusts as high as 20 mph.

    Rain/Snow
    Likely

    High: 41 °F

  • Monday
    Night

    Monday Night: A slight chance of rain and snow before midnight. Partly cloudy, with a low around 34.

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

    Low: 34 °F

Detailed Forecast

Overnight
Increasing clouds, with a low around 32. South wind around 10 mph.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 49. Windy, with a south southwest wind 10 to 20 mph increasing to 23 to 33 mph. Winds could gust as high as 65 mph.
Friday Night
Partly cloudy, with a low around 43. Windy, with a west southwest wind 31 to 34 mph, with gusts as high as 50 mph.
Saturday
A 50 percent chance of rain, mainly after noon. Partly sunny, with a high near 50. Windy, with a southwest wind 39 to 44 mph decreasing to 33 to 38 mph in the afternoon. Winds could gust as high as 60 mph.
Saturday Night
Rain likely before 9pm, then rain and snow likely. Mostly cloudy, with a low around 36. Windy, with a west southwest wind 28 to 33 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 49 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday
Rain and snow likely, mainly after noon. Mostly cloudy, with a high near 41. West southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday Night
Rain and snow likely. Mostly cloudy, with a low around 35. West southwest wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday
Rain and snow likely. Mostly cloudy, with a high near 41. West wind 11 to 13 mph, with gusts as high as 20 mph.
Monday Night
A slight chance of rain and snow before midnight. Partly cloudy, with a low around 34.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 51.
Wednesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 38.
Thursday
A chance of rain and snow. Partly sunny, with a high near 45.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
10 Miles SSW St Mary MT
 48.61°N 113.51°W (Elev. 6673 ft)
Last Update:
11:02 pm MDT Sep 16, 2021
Forecast Valid:
12am MDT Sep 17, 2021-6pm MDT Sep 22, 2021
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation