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How to Read Long Range Weather Forecasts
Our long-range forecasts show weather trends in temperatures and precipitation. For example, will the winter be colder or warmer than average? Will there be more or less snow than what's typical for your area? Our famous predictions (traditionally 80% accurate) are made 18 months in advance, and meant to help you make more informed decisions for long-term planning.
Here on Almanac.com, we provide free long-range forecasts for the next 30 to 60 days covering U.S. and Canadian regions. Find all 12 months of predictions in the annual Old Farmer's Almanac.
Free 2-Month Weather Forecast
DECEMBER 2017: temperature 33.5° (4° above avg. east, 1° below west); precipitation 3" (avg.); Dec 1-6: Rain and snow showers, mild east; snowy, cold west; Dec 7-10: Lake snows, cold; Dec 11-18: Rainy periods, mild; Dec 19-22: Rain and snow showers; Dec 23-25: Rainy, quite mild; Dec 26-31: Rain to snow, then snow showers, cold.
JANUARY 2018: temperature 33° (6° above avg.); precipitation 2" (0.5" below avg.); Jan 1-5: Lake snows, cold; Jan 6-11: Sunny, turning warm; Jan 12-21: Rainy periods, mild; Jan 22-24: Rain to snow; Jan 25-31: Rainy periods, mild.
Annual Weather Summary: November 2017 to October 2018
Winter will be warmer than normal, with slightly above-normal precipitation. The coldest periods will be in early to mid-December, early January, and mid-February. Snowfall will be above normal in Ohio and below normal elsewhere, with the snowiest periods in early to mid-December, late December, early January, and early February. April and May will be warmer and slightly drier than normal. Summer will be hotter and drier than normal. The hottest periods will be in early to mid- and late July and mid-August. September and October will be warmer than normal. Rainfall will be above normal in the west and below normal elsewhere.
About the Lower Lakes Region
The Lower Lakes long range weather region includes all or part of the following states: ILLINOIS (Aurora, Chicago, Naperville, Peoria, Rockford), INDIANA (Fort Wayne, Gary, Hammond, Indianapolis, South Bend), MICHIGAN (Detroit, Flint, Grand Rapids, Sterling Heights, Warren), NEW YORK (Buffalo, Cheektowaga, Niagara Falls, Rochester, Tonawanda), OHIO (Akron, Cleveland, Dayton, Parma, Toledo), PENNSYLVANIA (Erie, Hermitage, Meadville, Sharon, Warren), WISCONSIN (Kenosha, Madison, Milwaukee, Racine, Waukesha).