Rock Island Arsenal Army Base

Joint Munitions Command, Joint Manufacturing and Technology Center, U.S. Army Corps of Engineers, Rock Island District, United States Army Sustainment Command, First United States Army
1 Rock Island Arsenal, Rock Island, IL 61299


In Rock Island, the summers are long, warm, humid, and wet. The winters are cold, dry, and windy.  It is partly cloudy year round and over the course of the year, the temperature typically varies from 16°F to 85°F and is rarely below -4°F or above 94°F.


The hot season lasts for 4.0 months, from May 20 to September 21, with an average daily high temperature above 74°F. The hottest day of the year is July 19, with an average high of 85°F and low of 66°F. The cold season lasts for 3.1 months, from November 30 to March 1, with an average daily high temperature below 42°F. The coldest day of the year is January 22, with an average low of 16°F and high of 31°F.


The wet season lasts 5.5 months, from April 6 to September 22, with a greater than 27% chance of a given day being a wet day. The chance of a wet day peaks at 41% on June 10. The drier season lasts 6.5 months, from September 22 to April 6. The smallest chance of a wet day is 12% on January 28.

Mississippi River
Davenport, Iowa
Cost of Living
The cost of living in Rock Island Arsenal is 27% higher than the Illinois average and 25% higher than the national average. The cost of goods and services is 2% higher than the Illinois average and 3% higher than the national average.
Getting to Know the Area

The Quad Cities area includes Davenport and Bettendorf in Iowa and Moline, East Moline and Rock Island in Illinois. The area has museums, festivals, shopping areas, local sports teams, various outdoor activities, and a scenic riverfront. Each city offers a variety of recreational opportunities for all ages.


Some points of interest include Niabi Zoo, Putnam Museum and Science Center, Quad City Botanical Center, and Snowstar Winter Park.


Check out these websites for a list of all of the great events going on in the area.  

Niambi Train
Lion at Niambi Zoo
Mississippi Casino Boat on the Mississippi River