What is today's weather forecast for Polaris, MT?

Today's forecast for Polaris shows a low of 31 degrees Fahrenheit. Mostly clear, with a low around 31.

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

The 7-day forecast for Polaris shows highs from 29 to 45 degrees and lows from 18 to 35 degrees Fahrenheit. Expect precipitation on 7 days with chances of 20% or higher.

Will it rain in Polaris, MT this week?

Yes, rain is possible in Polaris this week. Precipitation chances: Monday (30% chance), Tuesday (80% chance), Wednesday (100% chance), Thursday (50% chance), Friday (50% chance), Saturday (50% chance), Sunday (50% chance).

How accurate is the Polaris weather forecast?

WeatherForYou provides highly accurate Polaris 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.

Polaris, MT Weather Forecast and Current Conditions

Current Conditions From Nearby Station

Switch to Metric Units

34°F
Feels Like 33°F

Humidity 29% Dew Point 5°F Wind N 2 MPH Gusts 5 Barometer N/A

Report from a MADIS/MESONET weather station 10.4 mi. ESE of central Polaris
at 8:16 PM Sun, Dec 14, 2025

Point Forecast at a Glance

SunDec 14

MonDec 15

TueDec 16

40%

WedDec 17

100%

ThuDec 18

50%

FriDec 19

50%

SatDec 20

50%

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

Cooling trend continues with high temperatures dropping from 45°F to 29°F. Unsettled weather expected with snow likely on at least 6 days.

Climate Context

This week's forecast shows temperatures running 7°F above the historical average for December. Normal highs for this period are around 30°F with lows around 8°F.

This Date in Weather History

1924 - The temperature at Helena, MT, plunged 79 degrees in 24 hours, and 88 degrees in 34 hours. The mercury plummeted from 63 above to 25 below zero. At Fairfield MT the temperature plunged 84 degrees in just 12 hours, from 63 at Noon to 21 below zero at midnight.

Polaris, MT 7 Day Weather Forecast Details

Sunday Dec 14

Night: Mostly clear, with a low around 31. East southeast wind around 6 mph.

Monday Dec 15

Day: Mostly sunny, with a high near 45. South southeast wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 28 mph.

Night: A 30 percent chance of rain. Mostly cloudy, with a low around 35. West southwest wind 9 to 13 mph, with gusts as high as 29 mph.

Tuesday Dec 16

Day: A chance of rain before 8am, then a chance of rain and snow. Partly sunny, with a high near 42. West southwest wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Night: Rain, possibly mixed with snow, mainly after 5am. Low around 30. West southwest wind 13 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Wednesday Dec 17

Day: Rain, possibly mixed with snow, becoming all snow after 8am. Patchy blowing snow after 10am. High near 39. Breezy, with a west wind 18 to 26 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Night: Patchy blowing snow before 8pm. Mostly cloudy, with a low around 18. West wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 37 mph.

Thursday Dec 18

Day: Snow likely, mainly after 11am. Mostly cloudy, with a high near 34. South southwest wind 6 to 11 mph, with gusts as high as 21 mph.

Night: Snow. Mostly cloudy, with a low around 28.

Friday Dec 19

Day: Snow. Mostly cloudy, with a high near 39.

Night: Snow likely. Mostly cloudy, with a low around 18.

Saturday Dec 20

Day: A chance of snow. Mostly sunny, with a high near 29.

Night: A slight chance of snow. Partly cloudy, with a low around 18.

Sunday Dec 21

Day: A chance of snow. Partly sunny, with a high near 34.

About Polaris, MT

Polaris is an unincorporated community in Beaverhead County, Montana, United States. Polaris has a post office with a ZIP code 59746. Polaris lies in the Grasshopper Valley, along the Pioneer Mountain Scenic Byway, southeast of Wisdom. This community takes its name from the Polaris Mine, which operated as a silver mine from 1885 until 1922. Attractions to the Polaris area include Maverick Mountain Ski Area, Montana High Country Tours Lodge, the Grasshopper Inn, Elkhorn Hotsprings, Bannack State Park, and Crystal Park. Polaris is minutes from blue ribbon trout streams, hundreds of snowmobile and cross-country ski trails, and trail heads to mountain lakes. Hay, horse, and cattle production are among the major industries in Polaris, along with a rise in tourism and recreation. Originally, Polaris was a mining town with a general store, post office, and saloon. Hundreds of miners lived north of Polaris and worked the Elkhorn Mine and Coolidge Mine, among other smaller mines. Mail delivered to the Grasshopper Valley was processed at the Polaris post office and still is today.

Content from Wikipedia, licensed under CC BY-SA 3.0.

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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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