Long-range Weather Forecast

Intermountain

Annual Weather Summary
November 2008 to October 2009

Detailed 2009 Long-Range Forecast
for the Intermountain Region

Includes predictions for all or portions of 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).

Winter will be much colder and drier than normal, on average, with snowfall above normal in the north and below normal in the south. The coldest temperatures will occur in late December; early, mid-, and late January; and early February. The snowiest periods will be in mid-November, early and mid-December, mid- and late January, and late February.

April and May will be cooler than normal, with slightly above-normal precipitation.

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

September and October will be warmer and drier than normal.

Detailed Forecast for the Next Two Months

Temperature and Precipitation
November 2008 to October 2009