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

HARKNESS (HRKM8)

Lat: 44.465°NLon: 112.95194°WElev: 8400.0ft.

NA

29°F

-2°C

Humidity 64%
Wind Speed W 6 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Wind Chill23°F (-5°C)
Last update 20 May 01:05 AM MDT
Extended Forecast for

17 Miles WSW Lima MT

  • Overnight

    Overnight: Partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 55. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 55 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Rain and snow showers before 3am, then a chance of snow. Some thunder is also possible. Low around 32. North northwest wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain/Snow

  • Thursday

    Thursday: A chance of snow before 9am, then a chance of snow showers between 9am and 10am. Mostly cloudy, then gradually becoming sunny, with a high near 50. North wind 18 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 50 °F

    Chance Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. North wind 11 to 16 mph becoming light after midnight. Winds could gust as high as 29 mph.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of rain and snow showers between noon and 3pm, then a slight chance of rain showers after 3pm. Mostly sunny, with a high near 59. Light south wind. Chance of precipitation is 20%.

    High: 59 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 67. Light and variable wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 31. Calm wind.
Wednesday
Increasing clouds, with a high near 55. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Rain and snow showers before 3am, then a chance of snow. Some thunder is also possible. Low around 32. North northwest wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
A chance of snow before 9am, then a chance of snow showers between 9am and 10am. Mostly cloudy, then gradually becoming sunny, with a high near 50. North wind 18 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly clear, with a low around 31. North wind 11 to 16 mph becoming light after midnight. Winds could gust as high as 29 mph.
Friday
A slight chance of rain and snow showers between noon and 3pm, then a slight chance of rain showers after 3pm. Mostly sunny, with a high near 59. Light south wind. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 37. West southwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Sunny, with a high near 67. Light and variable wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 43.
Memorial Day
Mostly sunny, with a high near 72. Windy.
Monday Night
Partly cloudy, with a low around 43. Windy.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 62. Windy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WSW Lima MT
 44.51°N 112.89°W (Elev. 7198 ft)
Last Update:
12:32 am MDT May 20, 2026
Forecast Valid:
1am MDT May 20, 2026-6pm MDT May 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation