What is today's weather forecast for Harrison Lake, MT?

Today's forecast for Harrison Lake shows a high of 48 degrees and a low of 40 degrees Fahrenheit. Rain likely, mainly after 3pm.

What is the 7-day weather forecast for Harrison Lake, MT?

The 7-day forecast for Harrison Lake shows highs from 41 to 48 degrees and lows from 30 to 40 degrees Fahrenheit. Expect precipitation on 7 days with chances of 20% or higher.

Will it rain in Harrison Lake, MT this week?

Yes, rain is possible in Harrison Lake this week. Precipitation chances: Monday (60% chance), Tuesday (70% chance), Wednesday (40% chance), Thursday (50% chance), Friday (50% chance), Saturday (50% chance), Sunday (50% chance).

How accurate is the Harrison Lake weather forecast?

WeatherForYou provides highly accurate Harrison Lake forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Harrison Lake, MT Weather Forecast and Current Conditions

Current Conditions From Nearby Station

Switch to Metric Units

47°F
Feels Like 47°F

Humidity 96% Dew Point 46°F Wind SW 1 MPH Gusts 2 Barometer N/A

Solar Rad 272 w/m²

Report from a MADIS/MESONET weather station 9.8 miles W of central Harrison Lake
at 2:15 PM Mon, Nov 17, 2025

Point Forecast at a Glance

MonNov 17

60%

TueNov 18

70%

WedNov 19

40%

ThuNov 20

FriNov 21

50%

SatNov 22

50%

SunNov 23

50%

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 41°F to 48°F. Unsettled weather expected with wintry mix likely on at least 7 days.

Climate Context

This week's forecast shows temperatures running 5°F above the historical average for November. Normal highs for this period are around 38°F with lows around 25°F.

This Date in Weather History

1987 - A storm in the Rockies produced 21 inches of snow at the Monarch ski resort in Colorado, with 14 inches reported at Steamboat Springs CO. Early morning thunderstorms in the southeastern U.S. drenched Mary Esther FL with 4.43 inches of rain. Gale force winds over the Great Lakes Region gusted to 49 mph at Johnstown PA.

Harrison Lake, MT 7 Day Weather Forecast Details

Monday Nov 17

Day: Rain likely, mainly after 3pm. Cloudy, with a high near 48. West southwest wind 3 to 5 mph. Chance of precipitation is 60%.

Night: A 50 percent chance of rain, mainly before 5am. Cloudy, with a low around 40. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

Tuesday Nov 18

Day: Rain and snow likely before 3pm, then a slight chance of snow after 5pm. Mostly cloudy, with a high near 46. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 70%. Little or no snow accumulation expected.

Night: Rain and snow likely. Snow level 5100 feet lowering to 3900 feet after midnight . Mostly cloudy, with a low around 31. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. Little or no snow accumulation expected.

Wednesday Nov 19

Day: A 40 percent chance of snow before 11am. Partly sunny, with a high near 42. Calm wind. Little or no snow accumulation expected.

Night: Partly cloudy, with a low around 30.

Thursday Nov 20

Day: Mostly sunny, with a high near 44.

Night: A slight chance of rain and snow after 11pm. Snow level 4900 feet. Partly cloudy, with a low around 31.

Friday Nov 21

Day: A chance of rain and snow before 2pm, then a chance of rain. Snow level 4400 feet rising to 4900 feet in the afternoon. Mostly cloudy, with a high near 41.

Night: Rain likely before 2am, then rain and snow likely. Snow level 4800 feet. Mostly cloudy, with a low around 34.

Saturday Nov 22

Day: Rain and snow likely. Snow level 4900 feet. Mostly cloudy, with a high near 41.

Night: Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 35.

Sunday Nov 23

Day: Rain likely, possibly mixed with snow. Snow level 4800 feet. Mostly cloudy, with a high near 41.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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