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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Hazardous Weather Conditions

Current conditions at

Logan Pass Visitors Center (LGPVC)

Lat: 48.6949°NLon: 113.7169°WElev: 6775.0ft.

NA

26°F

-3°C

Humidity 96%
Wind Speed WNW 21 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill12°F (-11°C)
Last update 16 Mar 04:00 PM MDT
Extended Forecast for

11 Miles SSW St Mary MT

High Wind Warning March 18, 06:00am until March 18, 09:00pm
High Wind Warning March 17, 01:33pm until March 17, 06:00pm
Click here for hazard details and duration
High Wind Warning
High Wind Warning
  •  
    High Wind Warning March 17, 01:33pm until March 17, 06:00pm

    NOW until 6:00pm Tue

    High Wind Warning

  • This Afternoon

    High: 35 °F

    Slight Chance
    Rain/Snow and
    Windy

  • Tonight

    Tonight: A chance of rain and snow between 7pm and 3am, then rain likely. Mostly cloudy, with a low around 33. Windy, with a west southwest wind 31 to 34 mph, with gusts as high as 46 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 33 °F

    Windy. Slight
    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Rain and snow likely before 5pm, then a chance of rain. Mostly cloudy, with a high near 36. Windy, with a west southwest wind 31 to 34 mph, with gusts as high as 46 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Rain/Snow
    Likely and
    Windy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 34. Windy, with a west southwest wind around 32 mph, with gusts as high as 45 mph.

    Low: 34 °F

    Chance Rain
    and Windy

  • Thursday

    Thursday: A chance of rain and snow before 3pm, then a chance of rain. Partly sunny, with a high near 40. Windy, with a west southwest wind 32 to 34 mph, with gusts as high as 49 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 40 °F

    Chance
    Rain/Snow and
    Windy

  • Thursday Night

    Thursday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 37. Windy, with a west southwest wind 32 to 36 mph, with gusts as high as 49 mph.

    Low: 37 °F

    Chance Rain
    and Windy

  • Friday

    Friday: Rain likely, mainly after noon. Partly sunny, with a high near 42. Windy, with a west southwest wind 29 to 31 mph, with gusts as high as 47 mph. Chance of precipitation is 60%.

    High: 42 °F

    Rain Likely
    and Windy

  • Friday Night

    Friday Night: Rain likely before 9pm, then rain and snow likely. Mostly cloudy, with a low around 31. Windy, with a west southwest wind 24 to 30 mph, with gusts as high as 44 mph.

    Low: 31 °F

    Rain/Snow
    Likely and
    Windy

Detailed Forecast

This Afternoon
A slight chance of snow before 3pm, then a slight chance of rain and snow. Partly sunny, with a high near 35. Windy, with a west southwest wind around 32 mph, with gusts as high as 47 mph. Chance of precipitation is 20%.
Tonight
A chance of rain and snow between 7pm and 3am, then rain likely. Mostly cloudy, with a low around 33. Windy, with a west southwest wind 31 to 34 mph, with gusts as high as 46 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
Rain and snow likely before 5pm, then a chance of rain. Mostly cloudy, with a high near 36. Windy, with a west southwest wind 31 to 34 mph, with gusts as high as 46 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34. Windy, with a west southwest wind around 32 mph, with gusts as high as 45 mph.
Thursday
A chance of rain and snow before 3pm, then a chance of rain. Partly sunny, with a high near 40. Windy, with a west southwest wind 32 to 34 mph, with gusts as high as 49 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 37. Windy, with a west southwest wind 32 to 36 mph, with gusts as high as 49 mph.
Friday
Rain likely, mainly after noon. Partly sunny, with a high near 42. Windy, with a west southwest wind 29 to 31 mph, with gusts as high as 47 mph. Chance of precipitation is 60%.
Friday Night
Rain likely before 9pm, then rain and snow likely. Mostly cloudy, with a low around 31. Windy, with a west southwest wind 24 to 30 mph, with gusts as high as 44 mph.
Saturday
Snow likely. Mostly cloudy, with a high near 35. Breezy.
Saturday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 21. Breezy.
Sunday
A slight chance of snow. Mostly sunny, with a high near 32.
Sunday Night
A slight chance of snow. Partly cloudy, with a low around 21. Breezy.
Monday
Partly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSW St Mary MT
 48.61°N 113.54°W (Elev. 6765 ft)
Last Update:
12:42 pm MDT Mar 17, 2026
Forecast Valid:
1pm MDT Mar 17, 2026-6pm MDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation