2021 Long Range Weather Forecast for Intermountain
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 2021 Old Farmer’s Almanac, available online and in stores.
Note: Long range forecasts are regional, not city-specific.
Free 2-Month Weather Forecast
Dates | Weather Conditions |
---|---|
Jan 1-6 | Rain and snow showers, mild |
Jan 7-15 | Sunny, turning cold |
Jan 16-26 | Snow showers, then sunny, mild |
Jan 27-31 | Snowy periods, cold |
January | temperature 34° (2° above avg.) precipitation 1" (0.5" below avg.) |
Dates | Weather Conditions |
---|---|
Feb 1-7 | Rainy periods, mild |
Feb 8-13 | Snow showers, turning cold |
Feb 14-17 | Sunny, mild |
Feb 18-28 | Snowy periods, then sunny, cold |
February | temperature 33.5° (3° below avg. north, 2° above south) precipitation 2" (0.5" above avg.) |
Annual Weather Summary
November 2020 to October 2021
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.

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

Reader Comments
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when will elk, wa. spokane, wa,\. areas start to get snow..needi
Snow expected for Spokane, wa. ? When ?
Snowing in Spokane wa
I believe snow started today
Snow fall in Helena MT
How much snow do you think Helena MT will get during the 2018-2019 winter. Will it be more or less than last year
Given the way this year has
Given the way this year has gone, I’d say way less than normal
Snow
Hi just wondering what our winter in Benton County Washington state will be like this year
Help!
I'm planning a wedding in June in Deer Park. What do you think the weather will be like?
Deer Park, WA*
Deer Park, WA*
Nampa
Does anyone know if Nampa will get a lot of snow this season?
Nampa
We will have a bitter cold forecasted for late December and long periods of heavy snow.
Sept 5th through 7th
Planning a wedding the 2nd weekend of September in Bigfork, Montana. Sept 5-7th 2019. What will the average temperature be? and rain fall?
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