About Worthington, MN About Worthington Location Worthington sits in SW Minnesota at a high point between the Missouri and Mississippi basins. The area is good agricultural land with light rolling hills. Population Trends Population has remained fairly stable since the 1960 census. The area has frequent weather changes from day to day or from week to week as the locality is visited by the different air masses. Cold air masses arrive from the interior of Canada, cool, dry air masses arrive from the northern Pacific, warm moist air from the Gulf of Mexico, or hot dry air from the southwest.
Temperatures fluctuate frequently as cold air masses move in very rapidly.
During the late fall and winter, cold fronts accompanied by strong, gusty winds drop temperatures by 20 to 30 degrees in a 24-hour period. Severe cold spells usually last only a few days. The winter months of December through February have experienced cold spells with average temperatures under 8 degrees and more than 60 consecutive days below 32 degrees. Temperatures of 100 degrees and above occur about every three years, and will most likely happen in July. Summer nights are usually comfortable with temperatures below 70 degrees.