What is today's weather forecast for South Glastonbury, MT?

Today's forecast for South Glastonbury shows a low of 22 degrees Fahrenheit. Partly cloudy, with a low around 22.

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

The 7-day forecast for South Glastonbury shows highs from 36 to 49 degrees and lows from 20 to 40 degrees Fahrenheit. Expect precipitation on 7 days with chances of 20% or higher.

Will it rain in South Glastonbury, MT this week?

Yes, rain is possible in South Glastonbury this week. Precipitation chances: Thursday (70% chance), Friday (90% chance), Saturday (20% chance), Sunday (50% chance), Monday (70% chance), Tuesday (30% chance), Wednesday (30% chance).

How accurate is the South Glastonbury weather forecast?

WeatherForYou provides highly accurate South Glastonbury 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.

South Glastonbury, MT Weather Forecast and Current Conditions

WEATHER ALERTS - High Wind Warning

Current Conditions From Nearby Station

Switch to Metric Units

32°F
Feels Like 22°F

Humidity 32% Dew Point 6°F Wind NNW 15 MPH Gusts 37 Barometer N/A

Report from a MADIS/MESONET weather station 11.8 mi. S of central South Glastonbury
at 8:03 PM Wed, Dec 17, 2025

Point Forecast at a Glance

WedDec 17

ThuDec 18

50%

FriDec 19

90%

SatDec 20

20%

SunDec 21

30%

MonDec 22

70%

TueDec 23

30%

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 36°F to 48°F. Unsettled weather expected with wintry mix likely on at least 6 days.

Climate Context

This week's forecast shows temperatures running 13°F above the historical average for December. Normal highs for this period are around 32°F with lows around 14°F.

This Date in Weather History

1924 - A severe icestorm struck central Illinois. It coated the ground with nearly two inches of glaze at Springfield. The storm caused 21 million dollars damage along with much hardship. Ice was on the trees until the 4th of January, and electricity was not restored until January 10th.

South Glastonbury, MT 7 Day Weather Forecast Details

Wednesday Dec 17

Night: Partly cloudy, with a low around 22. West southwest wind 27 to 32 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 45 mph.

Thursday Dec 18

Day: A 50 percent chance of snow showers after noon. Mostly cloudy, with a high near 40. South southwest wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 41 mph. New snow accumulation of less than a half inch possible.

Night: Snow showers likely before 10pm, then snow showers likely, possibly mixed with rain between 10pm and 11pm, then a chance of rain showers after 11pm. Mostly cloudy, with a temperature falling to near 34 by 10pm, then rising to around 42 during the remainder of the night. South southwest wind around 30 mph, with gusts as high as 41 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Friday Dec 19

Day: Rain showers before 5pm, then rain likely, possibly mixed with snow showers. High near 48. South southwest wind 29 to 33 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Night: Rain likely, possibly mixed with snow showers, becoming all snow after 8pm. Mostly cloudy, with a low around 20. West southwest wind 14 to 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Saturday Dec 20

Day: A 20 percent chance of snow showers before 11am. Sunny, with a high near 36. Southwest wind 14 to 22 mph.

Night: Partly cloudy, with a low around 22. South wind around 17 mph.

Sunday Dec 21

Day: A slight chance of snow showers before 11am, then a chance of rain and snow showers. Partly sunny, with a high near 46. South wind 15 to 20 mph. Chance of precipitation is 30%.

Night: A chance of rain and snow showers before 2am, then a chance of rain showers. Mostly cloudy, with a steady temperature around 40. South wind around 18 mph. Chance of precipitation is 50%.

Monday Dec 22

Day: Rain showers likely before 11am, then a chance of rain and snow showers between 11am and 2pm, then a chance of rain showers after 2pm. Mostly cloudy, with a high near 48. South southwest wind 18 to 23 mph. Chance of precipitation is 70%.

Night: A chance of rain and snow showers. Mostly cloudy, with a low around 31. South southwest wind 15 to 18 mph. Chance of precipitation is 30%.

Tuesday Dec 23

Day: A chance of rain and snow showers. Partly sunny, with a high near 47. South wind 14 to 17 mph. Chance of precipitation is 30%.

Night: A slight chance of rain and snow showers. Mostly cloudy, with a low around 34. South wind around 15 mph. Chance of precipitation is 20%.

Wednesday Dec 24

Day: A chance of rain and snow showers. Partly sunny, with a high near 49. South southwest wind 15 to 21 mph. Chance of precipitation is 30%.

About South Glastonbury, MT

South Glastonbury is a census-designated place in Park County, Montana, United States. Its population was 277 as of the 2020 census.

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.

Your favorites: