 From the KOTA studios, 53 overnight under mainly clear skies. Winds out of the southeast, 8 to 15 miles an hour. Sunday, 90. Slight chance of thunderstorms Sunday night, 66. Mid-80s Monday with severe thunderstorms likely. Turning much cooler Tuesday with highs in the upper 70s and thunderstorms possible. That's your weatherology forecast powered by weatherology.com. I'm staff meteorologist Ray Miller from the Signature Auto Sales Weather Center.