On Jan 18 in weather history...
1949 -- Fort Wayne's wettest January day, when 2.40" of precipitation fell.
1996 -- A short-lived tornado produced F0 damage in White County at 2:30pm. Thunderstorms produced 73mph winds at Elkhart and 74mph winds at Three Rivers.
2004 -- Lake effect snow event lasting until the 20th of Jan dropped a total of 13.5 inches of snow in LaPorte County IN, 11.7 inches just in Rolling Prairie.