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Glasgow, Montana 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Glasgow MT
National Weather Service Forecast for:
Glasgow MT
Issued by: National Weather Service Glasgow, MT |
| Updated: 1:42 pm MST Dec 5, 2025 |
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Overnight
 Snow Likely and Patchy Blowing Snow
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Saturday
 Snow Likely then Chance Snow
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Saturday Night
 Snow Likely
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Sunday
 Decreasing Clouds
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Sunday Night
 Mostly Cloudy
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Monday
 Mostly Sunny
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Monday Night
 Slight Chance Snow
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Tuesday
 Breezy. Chance Rain/Snow then Slight Chance Rain/Snow
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Tuesday Night
 Chance Snow
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| Lo 6 °F |
Hi 13 °F |
Lo 1 °F |
Hi 19 °F |
Lo 9 °F |
Hi 35 °F |
Lo 24 °F |
Hi 41 °F |
Lo 11 °F |
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Winter Weather Advisory
Overnight
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Snow likely, mainly after 2am. Patchy blowing snow after 2am. Patchy freezing fog before 2am. Cloudy, with a low around 6. Wind chill values between -10 and zero. East wind 16 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 inches possible. |
Saturday
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Snow likely, mainly before 11am. Cloudy, with a high near 13. Wind chill values between -10 and zero. East northeast wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible. |
Saturday Night
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Snow likely, mainly after 11pm. Cloudy, with a low around 1. Wind chill values between -5 and -15. East southeast wind 8 to 10 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible. |
Sunday
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Cloudy, then gradually becoming mostly sunny, with a high near 19. Wind chill values between -5 and 5. East wind 5 to 7 mph becoming south southwest in the afternoon. |
Sunday Night
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Mostly cloudy, with a low around 9. Southeast wind 5 to 8 mph becoming southwest after midnight. |
Monday
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Mostly sunny, with a high near 35. West wind 10 to 14 mph, with gusts as high as 23 mph. |
Monday Night
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A 20 percent chance of snow after 11pm. Cloudy, with a low around 24. Southwest wind 9 to 13 mph, with gusts as high as 21 mph. |
Tuesday
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A chance of snow before 11am, then a slight chance of rain and snow between 11am and 2pm, then a slight chance of snow after 2pm. Mostly cloudy, with a high near 41. Breezy, with a west northwest wind 15 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 50%. |
Tuesday Night
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A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 11. West northwest wind 9 to 18 mph, with gusts as high as 29 mph. |
Wednesday
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A 30 percent chance of snow. Mostly cloudy, with a high near 22. North wind 7 to 9 mph becoming east in the afternoon. |
Wednesday Night
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A 40 percent chance of snow. Mostly cloudy, with a low around 5. East northeast wind 8 to 10 mph becoming north northwest after midnight. |
Thursday
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A chance of snow. Mostly cloudy, with a high near 16. |
Thursday Night
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A chance of snow. Mostly cloudy, with a low around -6. |
Friday
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A chance of snow. Mostly cloudy, with a high near 11. |
Forecast from NOAA-NWS
for Glasgow MT.
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Weather Forecast Discussion
295
FXUS65 KGGW 052031
AFDGGW
Area Forecast Discussion
National Weather Service Glasgow MT
131 PM MST Fri Dec 5 2025
.DISCUSSION...
KEY MESSAGES:
- Temperature continues to swing with an unsettled weather
pattern over the next week.
- A Winter Weather Advisory remains in effect for tonight and
Saturday for most of NE Montana.
- Another weak system moves through Saturday night bringing less
than a couple inches of snow. The next system with snow
accumulation arrives Tuesday night and Wednesday, but minor
accumulations (less than 2 inches) are expected.
WEATHER PATTERN OVERVIEW:
A backdoor cold front was dropping south through the CWA this
afternoon bringing a slight drop in temperatures to most
locations. Colder air will continue to flow into the area tonight
with lows from near zero in Plentywood to the mid teens south of
Fort Peck Lake.
Light snow was falling across the northeast zones this afternoon,
along and north of a line from Opheim to Culbertson. But a larger
moisture stream will push in later tonight and affect most of the
CWA. By Saturday afternoon, most areas are looking at 2 to 4
inches with this system with lesser amounts in the NE corner of
the state and over Petroleum County. A Winter Weather Advisory is
in effect for tonight into Saturday morning for all zones except
for Sheridan and Eastern Roosevelt.
Another wave of light snow is expected to move through on Saturday
night into Sunday as another shortwave trough passes through the
region. Temperatures will continue to fluctuate next week as
arctic air and warmer intermountain air push back and forth. The
warmest day looks to be Tuesday where highs in the 30s and 40s can
be expected. A cold front will drop south Tuesday night with light
snow moving in by Wednesday.
FORECAST CONFIDENCE & DEVIATIONS:
Increased PoP manually at times tonight and Saturday morning to
provide a more consistent forecast and better match neighboring
offices.
There is high confidence of accumulating snow occurring tonight
and Saturday with at least 2 inches in most areas. Lower
confidence in snow amounts NE of Opheim, Poplar and Culbertson.
There is moderate confidence in temperatures following closely
to the NBM during the entire forecast period. TFJ
&&
.AVIATION...
LAST UPDATED: 2020Z
FLIGHT CAT: MVFR becmg IFR/LIFR after 04z tonight.
DISCUSSION: A storm system will spread snow from the W/NW late
tonight. Patchy fog and snow showers this evening could lower
visibilities to IFR early this evening. Ceilings will drop to IFR
after 04z with the snow moving in after 09z. The snow will
end from west to east by Saturday afternoon, with MVFR conditions
returning.
WINDS: N winds decreasing this afternoon then increasing from the
East late tonight with 10-20 kts. TFJ
&&
.GGW WATCHES/WARNINGS/ADVISORIES...
Winter Weather Advisory from 8 PM this evening to noon MST
Saturday for Central and Southeast Phillips-Central and Southern
Valley-Daniels-Dawson-Garfield-McCone-Northern Phillips-Northern
Valley-Petroleum-Prairie-Richland-Southwest Phillips-Western
Roosevelt-Wibaux.
&&
$$
weather.gov/glasgow
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