2021 Long Range Weather Forecast for Missoula, 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 2021 Old Farmer’s Almanac, available online and in stores.

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

Free 2-Month Weather Forecast

January 2021 Long Range Weather Forecast for Intermountain
DatesWeather Conditions
Jan 1-6Rain and snow showers, mild
Jan 7-15Sunny, turning cold
Jan 16-26Snow showers, then sunny, mild
Jan 27-31Snowy periods, cold
Januarytemperature 34° (2° above avg.)
precipitation 1" (0.5" below avg.)

February 2021 Long Range Weather Forecast for Intermountain
DatesWeather Conditions
Feb 1-7Rainy periods, mild
Feb 8-13Snow showers, turning cold
Feb 14-17Sunny, mild
Feb 18-28Snowy periods, then sunny, cold
Februarytemperature 33.5° (3° below avg. north, 2° above south)
precipitation 2" (0.5" above 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 Missoula, MT

Reader Comments

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Utah

The Editors's picture

Yes, that would include Central Utah! Thanks for your kind words!

Forecasting will become more like 50%

Unfortunately, we are past the tipping point, and due to the historical models that relied on the reflective properties that reflected th e suns radiation is all but gone for months at a time. I hate yo say it, but I fear the long term forecasts that rely on historical trends will cause annual releases with quarterly updates to take count of global events from melting ice, volcanic debris, and more frequent "large" fires that locally add a smoke layer that also maintains heat.

I love your work guys, any insight on your expected challenges?

Just curious. Thanks

this week's forecast

I love to rely on the Farmer's Almanac for weather; however, today we are expected to reach 106! This is not exactly the "cool" (Aug 9-13 Sunny, cool north; scattered t-storms south) that is indicated...lol

106°F

The Editors's picture

So right, and that fact may be the factor that reinforces our 80% (not 100%) accuracy rate. Thanks for keeping tabs, especially with an LOL.

On a more serious note, as an article set for the 2020 edition will show, the high temps are due in part to the warmth at the North Pole and surroundings. Thanks again—

Ontario, OR

we are seeing TRIPLE DIGITS. been hot for days, gonna be hot for days

What's winter looking like?

Hey I was wondering what winter 2018-2019 will be looking like for Ontario Oregon. Or malheure county in general

North west Colorado

Temperatures are a little higher than normal here, about 90-95 most days, nights are down to the mid 50's- almost no precipitation. I think it has rained about a total of an hour in the last month and a half. with wildfires happening almost daily it seems, most folks here are harvesting early for fire prevention sake. we can see the rainfall to the north and south of us, but its skipping by us every time. someone do a rain dance for us.

June

I am farming lavender in the Mission Valley 45 miles north of Missoula. My harvest season is over a week late to start compared to previous years because of the cool and very rainy weather. It feels like Portland!

Above Average

States this week it's supposed to be sunny:cool. Our local weather is predicting 101-106F for the next 3 days straight. No relief in sight for the Reno, Nevada area.

A Memorable Memorial Weekend

In Butte, MT we are seeing a first, lilacs opening by Memorial Day; typically have our last snow storm this weekend.

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