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Long-Range Weather Forecasts

2009 and 2010 Long Range Weather Forecast from the Farmers' Almanac.

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Ontario, Canada Weather

November 2009
8th-11th. Rapid temperature changes as an intensifying storm moving east produces heavy rain or wet snow. Frigidly cold air follows. 12th-15th. New storm moves to Great Lakes, then north and east. Heavy rain and/or wet snow near and along the storm track. Then clear skies and very cold air sweeps in. 16th-19th. A trough of low-pressure sweeps across the Great Lakes, followed by very cold air. Then, a fast-moving storm, reaching the Lakes by the 19th, provides a dose of heavy snow, followed by colder temperatures. 20th-23rd. Clash of very warm air from Gulf of Mexico and cold arctic air brings rain and thunderstorms, especially for the Great Lakes. 24th-27th. Wet weather. 28th-30th. Few rain or wet snow showers at Grey Cup time. Colder.

December 2009
1st-3rd. Rain and wet snow shifts east into the Great Lakes, followed by clear and cold weather. 4th-7th. Storm from south moves into Ontario, depositing heavy rain and wet snow. Very cold air follows. 8th-11th. A “winterlude” before another bout of wintry weather. 12th-15th. Considerable cloudiness with scattered showers. 16th-19th. Considerable cloud cover. Perhaps a few showers of rain or wet snow. Unseasonably mild temps. 20th-23rd. More showers of rain and wet snow. 24th-27th. Showers of rain and wet snow persist for Christmas and Boxing Day. 28th-31st. Blustery and much colder weather sweeps in, with frequent snow showers and flurries as 2009 comes to a close.

January 2010
1st-3rd. Fair, cold. 4th-7th. Fair, then snow breaks out near the St. Lawrence River Valley.


Forecasts for the entire year are available in the current edition of the Farmers' Almanac, sold in many retail stores across the US. You can also conveniently order a copy from our online store.