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2015 Long-Range Weather Forecast for Opportunity, Washington

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(Nov. 2014 - Oct. 2015)

Complete 2015 Long-Range Weather Forecast for the Intermountain Region, November 2014 to October 2015 includes week-by-week details.

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Map showing long-range weather ragion

DECEMBER 2014: temperature 35° (2° above avg.); precipitation 1.5" (0.5" above avg. north, 0.5" below south); Dec 1-3: Snow showers, cold north; sunny, mild south; Dec 4-7: Rainy north, sunny south; mild; Dec 8-10: Sunny; Dec 11-15: Rainy, mild north; sunny, cold south; Dec 16-21: Rain, then snow showers north; sunny, cold south; Dec 22-31: Snow showers; cold north, mild south.

JANUARY 2015: temperature 39° (7° above avg.); precipitation 2" (2" above avg. north, 1" below south); Jan 1-10: Periods of rain and snow north and central; sunny, mild south; Jan 11-16: Rainy periods, mild north; sunny south; Jan 17-21: Periods of rain and snow north, sunny south; mild; Jan 22-31: Rain and snow showers, mild.

Annual Weather Summary: November 2014 to October 2015

Winter temperatures will be above normal, with below-normal snowfall and with precipitation above normal north, below south. The coldest periods will be late December and mid- to late February north, and mid-December south. The snowiest period in northern and central sections will be in early December; mid-February and early to mid-March in the south.

April and May will be slightly drier than normal, with near-normal temperatures.

Summer will be hotter than normal, with above-normal rainfall. The hottest periods will be in mid- and late June, early July, and mid- to late July.

September and October will be cooler than normal, with precipitation slightly above normal in the north and below in the south.

Temperature and Precipitation November 2014 to October 2015

Temperature and Precipitation Graph

See Long-Range Weather Forecasts for major cities in Washington.

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