What is today's weather forecast for Big Sandy, MT?

Today's forecast for Big Sandy shows a high of 52 degrees and a low of 32 degrees Fahrenheit. A slight chance of rain between 3pm and 4pm.

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

The 7-day forecast for Big Sandy shows highs from 29 to 52 degrees and lows from 13 to 32 degrees Fahrenheit. Expect precipitation on 5 days with chances of 20% or higher.

Will it rain in Big Sandy, MT this week?

Yes, rain is possible in Big Sandy this week. Precipitation chances: Monday (20% chance), Tuesday (20% chance), Wednesday (50% chance), Thursday (50% chance), Friday (50% chance).

How accurate is the Big Sandy weather forecast?

WeatherForYou provides highly accurate Big Sandy 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.

Big Sandy, MT Weather Forecast and Current Conditions

WEATHER ALERTS - High Wind Warning - High Wind Warning

Current Conditions From Nearby Local Station

Switch to Metric Units

49°F
Feels Like 46°F

Humidity 55% Dew Point 34°F Wind SSW 8 MPH Gusts 11 Barometer 29.72 in.

Solar Rad 224 w/m²

Report from a MADIS/MESONET weather station 1.1 mi. SSE of central Big Sandy
at 2:00 PM Mon, Dec 15, 2025

Point Forecast at a Glance

MonDec 15

20%

TueDec 16

20%

WedDec 17

50%

ThuDec 18

FriDec 19

50%

SatDec 20

SunDec 21

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures drop from 52°F to a low of 29°F, then recover to 29°F by week's end. Unsettled weather expected with wintry mix likely on at least 5 days.

Climate Context

This week's forecast shows temperatures running 9°F above the historical average for December. Normal highs for this period are around 32°F with lows around 10°F.

This Date in Weather History

1945 - A record December snowstorm buried Buffalo, NY, under 36.6 inches of snow, with unofficial totals south of the city ranging up to 70 inches. Travel was brought to a halt by the storm.

Big Sandy, MT 7 Day Weather Forecast Details

Monday Dec 15

Day: A slight chance of rain between 3pm and 4pm. Mostly cloudy, with a high near 52. South southwest wind around 16 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. Breezy, with a west southwest wind 20 to 25 mph, with gusts as high as 46 mph.

Tuesday Dec 16

Day: A 20 percent chance of rain after 3pm. Increasing clouds, with a high near 44. West wind 10 to 17 mph becoming south southwest in the afternoon. Winds could gust as high as 30 mph.

Night: A 20 percent chance of rain. Mostly cloudy, with a low around 32. South wind 9 to 11 mph, with gusts as high as 18 mph.

Wednesday Dec 17

Day: A chance of rain before 11am, then a slight chance of rain and snow between 11am and 2pm, then a slight chance of snow after 2pm. Partly sunny, with a high near 46. Windy, with a south wind 14 to 19 mph becoming west 27 to 32 mph in the morning. Winds could gust as high as 50 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Night: Mostly cloudy, with a low around 14. Blustery, with a west wind 19 to 29 mph decreasing to 7 to 17 mph. Winds could gust as high as 45 mph.

Thursday Dec 18

Day: Partly sunny, with a high near 39. South wind 5 to 8 mph.

Night: A chance of snow before 8pm, then a chance of rain and snow. Mostly cloudy, with a low around 27. South southeast wind 9 to 13 mph, with gusts as high as 22 mph.

Friday Dec 19

Day: A slight chance of rain and snow before 11am, then a slight chance of snow. Partly sunny, with a high near 43.

Night: A slight chance of snow before 11pm. Mostly cloudy, with a low around 13.

Saturday Dec 20

Day: Mostly sunny, with a high near 35.

Night: Partly cloudy, with a low around 15.

Sunday Dec 21

Day: Mostly sunny, with a high near 29.

About Big Sandy, MT

Big Sandy is a town in Chouteau County, Montana, United States. The population was 605 at the 2020 census. The Lewis and Clark Trail, following U.S. Route 87, goes through Big Sandy. Big Sandy native Jeff Ament, Pearl Jam bassist, built the town a skatepark with his Montana Pool Service non-profit organization in 2010. Big Bud 747, claimed to be the largest farm tractor in the world, was located here from 1997 until 2009, and returned in 2020.

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

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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