2021 Long Range Weather Forecast for Helena, MT

Get the Long Range Weather for Your Location

See long range weather forecasts for the next 60 days from The Old Farmer’s Almanac! Our long range forecasts can be used to make more informed decisions about future plans that depend on the weather, from vacations and weddings to sporting events and outdoor activities.

To see long term forecasts for the entire year, pick up a copy of The 2022 Old Farmer’s Almanac, available online and in stores.

Note: Long range forecasts are regional, not city-specific.

Free 2-Month Weather Forecast

October 2021 Long Range Weather Forecast for Intermountain
DatesWeather Conditions
Oct 1-13Sunny; warm, then cool
Oct 14-18Rainy periods, cool
Oct 19-31Scattered showers, turning warm
Octobertemperature 52° (1° above avg.)
precipitation 0.5" (0.5" below avg.)

November 2021 Long Range Weather Forecast for Intermountain
DatesWeather Conditions
Nov 1-6Sunny, turning cool
Nov 7-17A few showers; cold north, mild south
Nov 18-25Snow showers, then sunny, cold
Nov 26-30Snow showers
Novembertemperature 40° (avg.)
precipitation 0.5" (1" below avg.)

Annual Weather Summary
November 2020 to October 2021

Winter temperatures and precipitation will be slightly below normal, on average. The coldest periods will be in early to mid-December, late January, and late February. Snowfall will be near normal, with the snowiest periods in early and late December, late January, and late February. April and May temperatures will be below normal in the north and above normal in the south, with near-normal precipitation. Summer temperatures will be cooler than normal in the north and above normal in the south, and it will be slightly rainier than normal. The hottest periods will be in late June, mid-July, and mid- to late August. September and October will be warmer than normal, with near-normal precipitation.

Map showing Old Farmer's Almanac long range weather region number 13

About the Intermountain Region

The Intermountain long range weather region includes all or part of the following states: ARIZONA (Flagstaff), COLORADO (Clifton, Grand Junction, Montrose), IDAHO (Boise, Idaho Falls, Meridian, Nampa, Pocatello), MONTANA (Bozeman, Butte, Helena, Kalispell, Missoula), NEVADA (Carson City, Elko, Reno, Sparks, Sun Valley), OREGON (Hermiston, La Grande, Ontario, Pendleton, The Dalles), UTAH (Orem, Provo, Salt Lake City, Sandy City, West Valley City), WASHINGTON (Kennewick, Pasco, Richland, Spokane, Yakima), WYOMING (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 2020 to October 2021

Temperature and Precipitation Chart, November 2020 to October 2021 for Helena, MT