2021 Long Range Weather Forecast for Waterloo, 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

April 2021 Long Range Weather Forecast for Heartland
DatesWeather Conditions
Apr 1-7Sunny; warm north, cool south
Apr 8-11T-storms, warm
Apr 12-24Rainy periods, cool
Apr 25-30Scattered t-storms, cool
Apriltemperature 55° (3° above avg. north, 1° below south)
precipitation 3.5" (avg.)

May 2021 Long Range Weather Forecast for Heartland
DatesWeather Conditions
May 1-5Sunny; warm north, cool south
May 6-10Rainy periods, cool
May 11-15Sunny, turning warm
May 16-28Scattered t-storms, cool
May 29-31Sunny, warm
Maytemperature 63° (1° above avg. north, 3° below south)
precipitation 3" (1.5" 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 Waterloo, IA