2018 Long Range Weather Forecast for Missoula, MT
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How to Read Long-Range Weather Forecasts
Long-range predictions 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
AUGUST 2017: temperature 72° (avg.); precipitation 1" (avg.); Aug 1-4: Sunny, hot; Aug 5-16: Scattered t-storms, cool; Aug 17-22: Sunny, hot north; scattered t-storms south; Aug 23-31: Sunny, turning cool north; a few t-storms, warm south.
SEPTEMBER 2017: temperature 60° (2° below avg.); precipitation 1.5" (0.5" above avg.); Sep 1-7: T-storms, then sunny, cool; Sep 8-14: Isolated t-storms, warm; Sep 15-22: Sunny, cool; Sep 23-30: Sunny north, t-storms south; warm.
Annual Weather Summary: November 2017 to October 2018
Winter will be colder than normal, especially in the south, with the coldest periods from late November into early December and in late December, mid-January, and early February. Precipitation will be slightly below normal in the north and above in the south, with above-normal snowfall in both. The snowiest periods will be in early and mid- to late December, mid-January, early and mid-February, and early March. April and May will be warmer and slightly drier than normal. Summer will be drier than normal, with temperatures warmer than normal in the north and cooler in the south. The hottest periods will be in late June, early and late July, and early and late August. September and October will be cooler than normal, with above-normal precipitation.
About the Intermountain Region
The Intermountain long range weather region includes all or part of the following states: ARIZONA (Flagstaff, Kayenta, Page, Tuba City, Winslow), CALIFORNIA (Cedarville, Davis Creek, Eagleville, Fort Bidwell, Lake City), COLORADO (Aurora, Colorado Springs, Denver, Fort Collins, Lakewood), IDAHO (Boise, Idaho Falls, Meridian, Nampa, Pocatello), MONTANA (Bozeman, Butte, Helena, Kalispell, Missoula), NEVADA (Carson City, Elko, Reno, Sparks, Sun Valley), NEW MEXICO (Angel Fire, Chama, Dulce, Questa, Springer), OREGON (Hermiston, La Grande, Ontario, Pendleton, The Dalles), UTAH (Ogden, Orem, Provo, Salt Lake City, West Valley City), WASHINGTON (Kennewick, Pasco, Richland, Spokane, Yakima), WYOMING (Casper, Evanston, Green River, Laramie, Rock Springs).
Intermountain Neighboring Regions
Here are the regions that neighbor the Intermountain long range weather region:
Temperature and Precipitation November 2017 to October 2018
