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Sidney, Montana 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for 6 Miles ESE Sidney MT
National Weather Service Forecast for:
6 Miles ESE Sidney MT
Issued by: National Weather Service Bismarck, ND |
| Updated: 11:36 pm CST Dec 5, 2025 |
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Tonight
Wintry Mix
Likely
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Saturday
Snow Likely
then Chance
Snow
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Saturday
Night
Mostly Cloudy
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Sunday
Slight Chance
Snow then
Partly Sunny
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Sunday
Night
Mostly Cloudy
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Monday
Mostly Sunny
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Monday
Night
Mostly Cloudy
then Chance
Rain
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Tuesday
Chance Rain
and Patchy
Blowing Snow
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Tuesday
Night
Mostly Cloudy
and Blustery
then Mostly
Cloudy
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| Lo 13 °F |
Hi 14 °F⇓ |
Lo 2 °F |
Hi 22 °F |
Lo 9 °F |
Hi 35 °F |
Lo 24 °F |
Hi 41 °F |
Lo 11 °F |
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Hazardous Weather Outlook
Special Weather Statement
Tonight
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Snow likely, possibly mixed with freezing rain, becoming all snow after 4am. Cloudy, with a steady temperature around 13. East wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than a half inch possible. |
Saturday
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Snow likely, mainly before 9am. Cloudy, with a temperature falling to around 7 by 5pm. Northeast wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible. |
Saturday Night
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Mostly cloudy, with a low around 2. Northeast wind 6 to 8 mph becoming southeast after midnight. |
Sunday
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A 20 percent chance of snow before noon. Mostly cloudy, with a high near 22. Southeast wind 5 to 9 mph becoming southwest in the afternoon. |
Sunday Night
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Mostly cloudy, with a low around 9. South wind 5 to 9 mph. |
Monday
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Mostly sunny, with a high near 35. West wind 10 to 15 mph, with gusts as high as 28 mph. |
Monday Night
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A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 24. Southwest wind 9 to 14 mph, with gusts as high as 22 mph. |
Tuesday
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A chance of rain, mainly before noon. Patchy blowing snow between 8am and 9am. Mostly cloudy, with a high near 41. Windy, with a southwest wind 15 to 20 mph becoming northwest 21 to 26 mph in the afternoon. Winds could gust as high as 41 mph. |
Tuesday Night
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Mostly cloudy, with a low around 11. Blustery, with a northwest wind 17 to 22 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 33 mph. |
Wednesday
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A chance of snow after noon. Mostly cloudy, with a high near 24. Northwest wind 6 to 9 mph becoming east in the afternoon. |
Wednesday Night
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A chance of snow. Mostly cloudy, with a low around 7. East wind around 10 mph becoming northwest after midnight. |
Thursday
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A chance of snow. Mostly cloudy, with a high near 19. Northwest wind 10 to 14 mph, with gusts as high as 22 mph. |
Thursday Night
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Mostly cloudy, with a low around -2. Northwest wind 7 to 11 mph. |
Friday
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Mostly cloudy and cold, with a high near 10. |
Forecast from NOAA-NWS
for 6 Miles ESE Sidney 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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