Sidney 7 Day Weather Forecast with Current Weather Conditions for , MT." />

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Sidney, Montana 7 Day Weather Forecast

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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: 5:36 am CST Dec 22, 2025

Today Slight Chance Freezing Rain then Slight Chance Rain	Tonight Mostly Cloudy	Tuesday Mostly Cloudy	Tuesday Night Mostly Cloudy	Wednesday Mostly Sunny	Wednesday Night Mostly Cloudy	Christmas Day Chance Snow	Thursday Night Slight Chance Snow then Mostly Cloudy	Friday Partly Sunny then Slight Chance Snow
Hi 38 °F	Lo 10 °F	Hi 33 °F	Lo 19 °F	Hi 35 °F	Lo 19 °F	Hi 27 °F	Lo 12 °F	Hi 35 °F

Hazardous Weather Outlook

Today	A slight chance of freezing rain before noon, then a slight chance of rain between noon and 5pm. Mostly cloudy, with a high near 38. East wind 5 to 14 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Tonight	Mostly cloudy, with a low around 10. West wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.
Tuesday	Mostly cloudy, with a high near 33. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Tuesday Night	Mostly cloudy, with a low around 19. Southeast wind 5 to 7 mph becoming calm in the evening.
Wednesday	Mostly sunny, with a high near 35. Light northeast wind becoming east 5 to 10 mph in the morning.
Wednesday Night	Mostly cloudy, with a low around 19. East wind 7 to 10 mph.
Christmas Day	A 30 percent chance of snow. Mostly cloudy, with a high near 27. North wind around 8 mph.
Thursday Night	A slight chance of snow before midnight. Mostly cloudy, with a low around 12. North wind around 6 mph becoming southeast after midnight.
Friday	A slight chance of snow after noon. Partly sunny, with a high near 35. Southeast wind 6 to 9 mph becoming southwest in the afternoon.
Friday Night	Mostly cloudy, with a low around 9. Southwest wind around 10 mph becoming northwest after midnight.
Saturday	Partly sunny, with a high near 20. Northwest wind 10 to 13 mph, with gusts as high as 20 mph.
Saturday Night	Mostly clear, with a low around 6. Northwest wind 7 to 9 mph.
Sunday	Sunny, with a high near 32. Southwest wind 7 to 9 mph, with gusts as high as 18 mph.

Forecast from NOAA-NWS for 6 Miles ESE Sidney MT.

Weather Forecast Discussion

418
FXUS65 KGGW 221045
AFDGGW

Area Forecast Discussion
National Weather Service Glasgow MT
345 AM MST Mon Dec 22 2025

.DISCUSSION...

KEY MESSAGES:

- Slight chance of wintry mix beginning this morning.

- Temperature swings through the weekend and chances for
  precipitation Christmas Eve night.

WEATHER PATTERN OVERVIEW:
With the upper flow turning SW, temps will warm to slightly above
average to near normal. A wave of low pressure over the Northern
Rockies will move east out of the region by tomorrow. Chances for
mixed precipitation today will be brief and limited, but may cause
slippery roads if currently ice packed. Moisture transported
inland form the atmospheric river event off the west coast may
more easily increase PoPs if regions of frontogenesis materialize
through Thursday.

FORECAST CONFIDENCE & DEVIATIONS:
Blended HRRR & NBM90 to day 1 winds. 75% NBM90 for day 1 wind
gusts.

Today through tonight precip and temperatures: Low confidence in
precip. High confidence in seasonably warm temps.
Tomorrow through the weekend temperatures: High confidence in
(generally) warmer highs and oscillating lows.
Tomorrow through the weekend precip: Low confidence.


&&

.AVIATION...

UPDATED: 1000Z

FLIGHT CATEGORY: VFR

DISCUSSION: VFR conditions through the TAF cycle. From 15Z - 18Z
mixed precipitation will move west to east. There is a low
probability of freezing rain.

WINDS: South to southeast at 5 - 10 kts veering west northwest
increasing to 15 - 20 knots this afternoon. Winds tonight will
shift predominantly north becoming light.

LLWS: 17Z - 20Z


&&

.GGW WATCHES/WARNINGS/ADVISORIES...
None.
&&

$$

weather.gov/glasgow

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Forecast Discussion from: NOAA-NWS

Script developed by: El Dorado Weather

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