2020-2021 Long Range Weather Forecast for Des Moines, IA

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

December 2020 Long Range Weather Forecast for Heartland
DatesWeather Conditions
Dec 1-7Rainy periods, mild
Dec 8-16Snow, then sunny, cold
Dec 17-26Rain and snow showers, mild
Dec 27-31Flurries, cold
Decembertemperature 33.5° (3° above avg. north, avg. south)
precipitation 0.5" (1" below avg.)

January 2021 Long Range Weather Forecast for Heartland
DatesWeather Conditions
Jan 1-9Sunny; cold, then mild
Jan 10-18Scattered showers, mild
Jan 19-20Rain and wet snow
Jan 21-31Snow showers, cold
Januarytemperature 31° (2° above avg.)
precipitation 0.5" (0.5" below avg.)

Annual Weather Summary
November 2020 to October 2021

Winter temperatures will be well above normal, on average, with the coldest periods in mid-December, from late December into early January, and in late February. Precipitation will be below normal, with snowfall below normal in most places. The snowiest periods will be in mid-November, early to mid-December, and mid-February. April and May temperatures will be above normal in the north and below normal in the south, with below-normal rain. Summer will be cooler and drier than normal, with the hottest periods in early July and mid-August. September and October will bring below-normal temperatures and rainfall.

Map showing Old Farmer's Almanac long range weather region number 10

About the Heartland Region

The Heartland long range weather region includes all or part of the following states: ILLINOIS (Belleville, Galesburg, Moline, Quincy, Rock Island), IOWA (Cedar Rapids, Davenport, Des Moines, Sioux City, Waterloo), KANSAS (Kansas City, Olathe, Overland Park, Topeka, Wichita), MISSOURI (Columbia, Independence, Kansas City, Saint Louis, Springfield), NEBRASKA (Bellevue, Fremont, Grand Island, Lincoln, Omaha), SOUTH DAKOTA (Yankton), WISCONSIN (Baraboo, Fitchburg, Madison, Middleton, Monroe).

Heartland Neighboring Regions

Here are the regions that neighbor the Heartland long range weather region:

Temperature and Precipitation November 2020 to October 2021

Temperature and Precipitation Chart, November 2020 to October 2021 for Des Moines, IA

Reader Comments

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when it will be cold

The Editors's picture

We are predicting that the average temp in Region 10 in September will be 68°F; in October, 58°F; in November, 48°F; and in December 27°F. The first snow we are predicting will be around Thanksgiving, with lots more in December.

Wedding Day Rain?

We're getting married on 5/11/2019. What are the chances of rain and what is the high temp for the day?

Wedding Day Rain?

The wedding is in Dubuque, Iowa

May 11, 2019

The Editors's picture

We are predicting a few thunderstorms and warm temps for the period May 9 to 15. The average temp for the month will be 65°F.

October 13th 2018

Could you please tell me your predicted weather on October 13th? I'm planning an outdoor wedding. Thank you so very much!!

Oct 13

The Editors's picture

We are predicting Rain, then sunny, mild for the period Oct 3 to 13. Congratulations!

October 13th 2018

Thank you. I just want to make sure I understand correctly. Is rain predicted on October 13th? Such as rain in the AM then turning sunny?
Thanks again :)

Family Reunion

I am hosting a family reunion Nov. 23rd & Nov. 24th in Milford, IA... can you give me an idea of what the weather will be like?? Hoping kids will be able to be outside some!!

Colder than average temps and

Colder than average temps and above normal snow for mid to late November

Wedding in curtis,ne

We want to host our wedding at my fiance's folks farm. Will it be. Cooler in October?

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