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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 39.5° (4° above avg. east, 1° above west); precipitation 4" (1" above avg.); Dec 1-3: Rainy, mild; Dec 4-7: Showers and flurries; Dec 8-11: Snow showers, cold; Dec 12-18: Rainy periods, mild; Dec 19-22: Snow, then sunny, mild; Dec 23-31: Showers, then flurries, cold.
JANUARY 2018: temperature 38° (5° above avg.); precipitation 2" (1" below avg.); Jan 1-6: Snow showers, very cold; Jan 7-16: Showers, quite mild; Jan 17-20: Snow showers, then rainy periods, mild; Jan 21-24: Snow showers, cold; 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 and below-normal snowfall. The coldest periods will be in early to mid-December, late December, early January, and early and mid-February. The snowiest periods will be in mid-December, early February, and mid-March. April and May will be cooler and rainier than normal. Summer will be hotter and slightly rainier than normal, with the hottest periods in early July, early August, and mid- to late August. September and October will be rainier and warmer than normal.
About the Ohio Valley Region
The Ohio Valley long range weather region includes all or part of the following states: ILLINOIS (Belleville, Collinsville, East Saint Louis, Granite City, O'Fallon), INDIANA (Bloomington, Columbus, Evansville, Indianapolis, Richmond), KENTUCKY (Bowling Green, Covington, Lexington, Louisville, Middlesboro), MISSOURI (Cape Girardeau, Jackson, Perryville, Poplar Bluff, Sikeston), OHIO (Cincinnati, Columbus, Dayton, Hamilton, Springfield), PENNSYLVANIA (Bethel Park, Monroeville, Mount Lebanon, Pittsburgh, Plum), VIRGINIA (Abingdon, Big Stone Gap, Bluefield, Bristol, Marion), WEST VIRGINIA (Charleston, Huntington, Morgantown, Parkersburg, Wheeling).