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Warmup on the way?
Over the weekend, record-cold temperatures were experienced in the western Corn Belt where Lincoln and Omaha, Nebraska, and Sioux City and Mason City, Iowa, set record-low temperatures in the low 20s and 30s, and a trace of snow was seen early Saturday a.m. across northern Illinois. Sunday was a warmer day.
Today, flooding continues along the Illinois River through Fulton County and Schuyler in west-central Illinois, Marshall and Peoria County and western Woodford County in central Illinois. Forty-one counties in Illinois have been declared disaster areas. There is the potential of additional 0.75" to 1" rains over central Illinois, especially tomorrow. River flooding has occurred on the Fox River and is forecast to reach record levels on the Illinois River this week.
Rainshowers should continue to develop from southwest to northeast Iowa today with .10" to .25" amounts. Heavier rain is forecast tonight and may mix with snow across northwest Iowa later today and tonight with several inches of snow forecast across the area. A winter weather advisory is in effect from 10 a.m. to 10 p.m. this evening across eastern South Dakota and southwestern Minnesota as heavy snow may accumulate with as much as 4" to 6" of snow with localized heavier snowfall amounts.
A cold front should sweep south and eastward tonight across Iowa into western Illinois bringing chilly weather with it for Tuesday and Wednesday with some very light rain or snow forecast Wednesday night over the western and north-central Corn Belt states.
Soil temperatures should be warming later this week and become more favorable by this next weekend and the next week. Light showers are possible this next weekend especially for the southern Corn Belt. There is some model disagreement about the possibility that the wettest areas of the central Corn Belt may receive additional showers this weekend. Showers may linger early next week over the eastern Corn Belt states.
A warming and drying period should follow these showers into the next week across the Corn Belt with the next storm front forecast to bring normal shower activity into the Corn Belt states by the following Wednesday or Thursday in early May.
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