National Weather Service Forecast for: Glasgow MT
Issued by: National Weather Service Glasgow, MT
Updated: 1:50 pm MST Dec 16, 2025
 
Tonight

Tonight: A chance of freezing rain before midnight, then a slight chance of freezing rain after 5am.  Increasing clouds, with a low around 21. Light south wind increasing to 5 to 10 mph in the evening.  Chance of precipitation is 30%.
Chance
Freezing Rain

Wednesday

Wednesday: Rain or freezing rain likely before 1pm, then a slight chance of rain showers between 1pm and 4pm, then a slight chance of snow showers after 4pm.  Cloudy, then gradually becoming mostly sunny, with a high near 42. Windy, with a south southeast wind 14 to 24 mph becoming west 28 to 38 mph in the afternoon. Winds could gust as high as 50 mph.  Chance of precipitation is 60%. New ice accumulation of less than a 0.1 of an inch possible.  New snow accumulation of less than a half inch possible.
Wintry Mix
Likely and
Windy
Wednesday
Night
Wednesday Night: A 50 percent chance of snow showers, mainly before 2am.  Areas of blowing snow between 8pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 0. Wind chill values between -10 and -20. Very windy, with a north northwest wind 36 to 46 mph decreasing to 20 to 30 mph. Winds could gust as high as 60 mph.  New snow accumulation of less than one inch possible.
Chance Snow
Showers and
Areas Blowing
Snow
Thursday

Thursday: Increasing clouds, with a high near 29. Wind chill values between -10 and zero. Northwest wind 6 to 9 mph becoming south southeast in the morning.
Increasing
Clouds

Thursday
Night
Thursday Night: A chance of snow before 2am, then a chance of rain.  Cloudy, with a low around 16. South southeast wind 10 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Chance Snow
then Chance
Rain/Snow
Friday

Friday: A 20 percent chance of rain before 11am.  Partly sunny, with a high near 42. South southwest wind 15 to 21 mph becoming west northwest in the afternoon. Winds could gust as high as 31 mph.
Slight Chance
Rain then
Partly Sunny
Friday
Night
Friday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around 4. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.
Slight Chance
Snow

Saturday

Saturday: Mostly sunny, with a high near 20. North northwest wind around 7 mph becoming southeast in the afternoon.
Mostly Sunny

Saturday
Night
Saturday Night: Partly cloudy, with a low around 5. East southeast wind around 8 mph becoming southwest after midnight.
Partly Cloudy

Lo 21 °F Hi 42 °F Lo 0 °F Hi 29 °F Lo 16 °F Hi 42 °F Lo 4 °F Hi 20 °F Lo 5 °F

High Wind Warning
 

Tonight
 
A chance of freezing rain before midnight, then a slight chance of freezing rain after 5am. Increasing clouds, with a low around 21. Light south wind increasing to 5 to 10 mph in the evening. Chance of precipitation is 30%.
Wednesday
 
Rain or freezing rain likely before 1pm, then a slight chance of rain showers between 1pm and 4pm, then a slight chance of snow showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 42. Windy, with a south southeast wind 14 to 24 mph becoming west 28 to 38 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 60%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of less than a half inch possible.
Wednesday Night
 
A 50 percent chance of snow showers, mainly before 2am. Areas of blowing snow between 8pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 0. Wind chill values between -10 and -20. Very windy, with a north northwest wind 36 to 46 mph decreasing to 20 to 30 mph. Winds could gust as high as 60 mph. New snow accumulation of less than one inch possible.
Thursday
 
Increasing clouds, with a high near 29. Wind chill values between -10 and zero. Northwest wind 6 to 9 mph becoming south southeast in the morning.
Thursday Night
 
A chance of snow before 2am, then a chance of rain. Cloudy, with a low around 16. South southeast wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday
 
A 20 percent chance of rain before 11am. Partly sunny, with a high near 42. South southwest wind 15 to 21 mph becoming west northwest in the afternoon. Winds could gust as high as 31 mph.
Friday Night
 
A 20 percent chance of snow. Mostly cloudy, with a low around 4. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.
Saturday
 
Mostly sunny, with a high near 20. North northwest wind around 7 mph becoming southeast in the afternoon.
Saturday Night
 
Partly cloudy, with a low around 5. East southeast wind around 8 mph becoming southwest after midnight.
Sunday
 
Mostly sunny, with a high near 25. West wind around 7 mph becoming east in the afternoon.
Sunday Night
 
Mostly cloudy, with a low around 9. East wind around 8 mph.
Monday
 
A slight chance of snow. Mostly cloudy, with a high near 31.
Monday Night
 
Mostly cloudy, with a low around 9.
Tuesday
 
A slight chance of snow. Partly sunny, with a high near 27.

 

Forecast from NOAA-NWS for Glasgow MT.