6am:The Meriden, KS forecast for Apr 02 is 46 degrees and Moderate or heavy rain with thunder. There is 97 percentage chance of rain and 7 mph winds from the East-Southeast. 9am:The Meriden, KS forecast for Apr 02 is 46 degrees and Patchy light rain. There is 97 percentage chance of rain and 4 mph winds from the East.