2019-2020 Long Range Weather Forecast for Alton, IL

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 2020 Old Farmer’s Almanac, available online and in stores.

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

Free 2-Month Weather Forecast

August 2019 Long Range Weather Forecast for Heartland
DatesWeather Conditions
Aug 1-10Scattered t-storms, warm
Aug 11-17Sunny, warm
Aug 18-26Rainy periods, cool
Aug 27-31Sunny, cool
Augusttemperature 72° (3° below avg.)
precipitation 4.5" (1" below avg. north, 3" above south)

September 2019 Long Range Weather Forecast for Heartland
DatesWeather Conditions
Sep 1-7Rainy periods, cool
Sep 8-12Sunny, warm
Sep 13-26Isolated t-storms, cool
Sep 27-30Showers, cool
Septembertemperature 64° (3° below avg.)
precipitation 2.5" (1" below avg.)

Annual Weather Summary
November 2019 to October 2020

Winter temperatures will be below normal, on average, with above-normal snowfall and slightly above-normal precipitation. The coldest periods will be in early to mid-January, early and mid-February, and early March. The snowiest periods will be in early to mid-December, early to mid-January, and mid-February. April and May will be warmer and slightly drier than normal. Summer will be slightly warmer and rainier than normal, with the hottest periods in mid- and late June, mid-July, and mid- and late August. September and October will bring above-normal temperatures and below-normal 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 (Alton, 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 (Canton, Lennox, North Sioux City, Vermillion, 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 2019 to October 2020

Temperature and Precipitation Chart, November 2019 to October 2020 for Alton, IL

Reader Comments

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Des Moines Weather Sept 1st

Get ready to sweat your balls off for September 1st in Des Moines is looking to be hotter than a snake’s ass in a wagon rut.

Wedding to be held on August

Wedding to be held on August 25, 2018

Weather

Outdoor wedding to be held a 4:00 pm at Superior, NE.
What will the weather be like?

Outside wedding

Oct 2018 outside weather, what’s the future hold for the weather, it will be at 430

Weather

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Our family will have their annual reunion on the weekend after the 4th of July 2018. Will the weather be extremely hot?

Family garden party 15 sept 2018?

How important we have a back up plan for rain?? Yikes!!

June 2nd Wedding

We are getting married June 2nd in Elma, Iowa. I see the weather change daily on my phone in terms of rain. Is it going to be raining that day around 4pm onward?

April 2019 Weather

I am thinking about getting married on April 27th, 2019. Do you have any weather predictions for then?

Your best bet is to look at

Your best bet is to look at the weather on that day for the past 5 years.

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