Clouds will increase Monday evening and Monday night with developing snow for the northern half of KELOLAND.
Winter Storm Watches are posted in western, north central and northeast South Dakota for tonight through Wednesday afternoon. The snow will be mainly light, but periods of heavy snow may fall in the Hills of western South Dakota as well as northeast KELOLAND. Lows will fall to the 20s.
Tuesday will be much colder with snow likely in northern South Dakota. Temperatures will remain steady or slowly fall during the day as cold northerly winds blow at 20 to 40 miles per hour. Periods of heavy snow will be possible in northeast South Dakota during the late morning and afternoon. By Tuesday evening, snow amounts in northern KELOLAND will range from two to six inches. The wind and snow will create some travel problems, use caution when travelling in northern KELOLAND on Tuesday. The snow will be much lighter in southern South Dakota, but a couple inches will be possible here and there.
Any lingering snow on Wednesday will be light, but temperatures will be very cold with highs in the teens and 20s. As high pressure settles in the plains on Thursday, highs will only be in the single digits for those locations covered by snow. The cold air will last through the weekend with dry skies.