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	Area Conditions for St Marys, ON

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Temperature:	-5 ^oC
Feels Like:	-10 ^oC
Humidity:	85%
Barometer:	30.12
Dew Point:	-7 ^oC
Wind Dir.:	SE
Wind Speed:	13 km/h
Sunrise:	7:55
Sunset:	4:55
Observation:	Partly Cloudy

As reported at HPSTS St Mary's, ON at 2:00 PM

	5-day Forecast for St Marys, ON

Date	Sat 27 Dec	Sun 28 Dec	Mon 29 Dec	Tue 30 Dec	Wed 31 Dec
Weather Condition
Weather	Cloudy	Freezing Rain	Rain/Snow Mix	Snow	Snow
Temperature (°C) Low/High	-9/-3	-7/4	-8/7	-9/-7	-10/-7
Feels Like (°C) Low/High	-13/-8	-13/1	-18/3	-19/-16	-18/-15
Dew Point (°C)	-8	-2	-2	-10	-10
Humidity (%)	83	90	78	82	89
Wind Speed (kph)	13	19	43	32	26
Precipitation Chance (%)	-	80	80	80	80
Precipitation Amount (cm) S=Snow, L=Liquid	None	Ice 0.23	S: 6-10 L: 1.30	S: 6-10 L: 0.69	S: 11-15 L: 0.76
Evapo- transpiration (cm/day)	0.05	0.05	0.1	0.05	0.03

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Big Storm Sweeping Through US This Weekend

Colder temperatures, widespread showers, strong winds and northern snow for the Midwest. Lake-effect snow across the Great Lakes. » More DTN Weather Commentary

Posted at 12:07PM Fri Dec 26, 2025 CST

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