The pattern has shifted, temporarily, and the Stateline is benefiting from a northerly air flow out of Canada. An upper low is spinning eastward across northern Ontario provience across James Bay. A nice northerly flow has developed from central Canada into the midwest behind the slowly departing upper low and an elongated ridge of surface high pressure. That ridge stretches all the way from Greenland across Baffin Island, the western part of Hudson Bay, western Minnesota, through Kansas City, and then southwest across the Oklahoma panhandle into the southern Rockies. The ridge is very slow moving, so the Stateline will have an extended period of dry weather with sunny days and clear nights through Friday. Temperatures will be cool today and Wednesday with afternoon highs in the middle 70's, and nighttime lows near 50 degrees. There will even be a few places where temperatures drop to the upper 40's tonight. By Thursday the ridge will be just east of Illinois, so temperatures will start to edge up, but it will still be close enough that it will remain dry through Saturday night. By Sunday the southerly wind flow will be loaded with moisture again, and temperatures will be between 85 and 90 degrees. The 4th of July may have some fireworks provided by "Mother Nature". The could be some scattered thunderstorms on Sunday and Monday.
By Meteorologist
Eric Nefstead
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