The highest temperature ever recorded in Des Moines was 110 degrees on August 4, 1918, and again on July 25, 1936.
The lowest temperature ever recorded in Des Moines was - 30 degrees on January 5, 1884.
The top snowfall in Des Moines was 19.8 inches on January 1, 1942.
The latest day to record snowfall in Des Moines was May 28, 1947.
Two famous Des Moines blizzards are the Armistice Day blizzard of November 11, 1940, which blanketed all of Iowa, and the spring blizzard which began April 9, 1973.
An ice storm which crippled the city began on March 7, 1990.
And sometimes it FLOODS:
The great flood of July 1993 closed down the Des Moines Water Works and left the city without water to drink from July 11 to July 30.