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 11am.

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

The 7-day forecast for Harrison Lake shows highs from 39 to 48 degrees and lows from 29 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 (70% 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

Switch to Metric Units

35°F
Feels Like 25°F

Humidity 100% Dew Point 35°F Wind SSE 15 MPH Gusts 25 Barometer 29.85 in.758.2 mm

Solar Rad 1 w/m²

Report from a MADIS/MESONET weather station 15.6 miles N of central Harrison Lake
at 8:00 AM Mon, Nov 17, 2025

Point Forecast at a Glance

MonNov 17

70%

TueNov 18

70%

WedNov 19

40%

ThuNov 20

FriNov 21

50%

SatNov 22

50%

SunNov 23

50%

7-Day Temperature Trend

Week Ahead Summary

Cooling trend continues with high temperatures dropping from 48°F to 39°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

1927 - A tornado cut a seventeen mile path across Alexandria and southeastern Washington, DC, injuring 31 persons. The tornado struck the Naval Air Station where a wind gust of 93 mph was recorded. A waterspout was seen over the Potomac River ninety minutes later.

Harrison Lake, MT 7 Day Weather Forecast Details

Monday Nov 17

Day: Rain likely, mainly after 11am. Cloudy, with a high near 48. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 70%.

Night: Rain likely, mainly before 2am. Cloudy, with a low around 40. Calm wind. Chance of precipitation is 60%.

Tuesday Nov 18

Day: Rain likely. Cloudy, with a high near 47. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Night: Rain likely before 11pm, then rain and snow likely. Snow level 5700 feet lowering to 4500 feet after midnight . Mostly cloudy, with a low around 33. West southwest wind 3 to 5 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Wednesday Nov 19

Day: A chance of rain and snow, mainly before 11am. Snow level 4100 feet. Mostly cloudy, with a high near 41. Light west southwest wind. Chance of precipitation is 40%. Little or no snow accumulation expected.

Night: Partly cloudy, with a low around 29.

Thursday Nov 20

Day: Mostly sunny, with a high near 43.

Night: A slight chance of rain and snow after 11pm. Snow level 4800 feet. Mostly cloudy, with a low around 32.

Friday Nov 21

Day: A chance of rain and snow before 2pm, then a chance of rain. Snow level 4300 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 4700 feet. Mostly cloudy, with a low around 33.

Saturday Nov 22

Day: Rain and snow likely. Snow level 4500 feet. Mostly cloudy, with a high near 41.

Night: Rain and snow likely. Snow level 4300 feet. Mostly cloudy, with a low around 32.

Sunday Nov 23

Day: Rain and snow likely. Snow level 3800 feet. Mostly cloudy, with a high near 39.

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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