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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 46° (2° below avg.); precipitation 0.5" (0.5" above avg. north, 0.5" below south); Dec 1-10: Showers, then sunny, very cold; Dec 11-19: A couple showers east, sunny west; turning mild; Dec 20-31: Rain, then sunny, very cold west; periods of rain and snow, cold east.
JANUARY 2018: temperature 47° (1° below avg.); precipitation 0.9" (0.4" above avg.); Jan 1-8: Rain and snow, then sunny, turning milder; Jan 9-18: Showers, then sunny, cold; Jan 19-25: Periods of rain and snow east, sunny west; cold; Jan 26-31: Sunny east, a couple showers west; turning mild.
Annual Weather Summary: November 2017 to October 2018
Winter will be colder than normal, with above-normal precipitation. The coldest periods will be from late November into early December and in late December and mid-January. Snowfall will be above normal in the east and near to below normal in the west, with the snowiest periods in late December, early and mid-January, and early February. April and May will be slightly rainier than normal, with temperatures below normal in the east and near normal in the west. Summer will be slightly hotter than normal, with the hottest periods in mid- and late June and early August. Rainfall will be below normal in the northwest and above normal in the southeast. September and October will be cooler and drier than normal.
About the Desert Southwest Region
The Desert Southwest long range weather region includes all or part of the following states: ARIZONA (Glendale, Mesa, Phoenix, Scottsdale, Tucson), CALIFORNIA (Brawley, Calexico, Coachella, El Centro, Indio), COLORADO (Cortez, Dolores, Durango, Mancos, Towaoc), NEVADA (Henderson, Las Vegas, North Las Vegas, Pahrump, Winchester), NEW MEXICO (Albuquerque, Farmington, Las Cruces, Roswell, Santa Fe), TEXAS (El Paso, Fabens, Pecos, San Elizario, Socorro), UTAH (Aneth, Blanding, Bluff, Montezuma Creek, White Mesa).