 From the KOTA studios, lows level off around 55. Tonight, under clear skies, winds out of the west, 5 to 10 miles an hour. Severe thunderstorms likely tomorrow. High temperatures reach up to 81. Sunshine mixed with clouds at times. Mainly cloudy tomorrow night. Thunderstorms likely. Lows level off around 54. That's your weatherology forecast powered by weatherology.com. I'm staff meteorologist Ray Miller from the Signature Auto Sales Weather Center.