A tight pressure gradient between low pressure over the eastern Great Lakes and a ridge of high pressure over the northern plains caused very wind conditions across the Stateline on Saturday afternoon with northwesterly winds gusting to 40 mph. The gradient is loosening tonight, and the winds are diminishing. As the ridge gets closer the clouds will decrease too, and the sky will become partly cloudy before morning. Skies will be partly cloudy for most of the day on Sunday, but with drier air moving in it may become mostly sunny during the afternoon. It will be cool, too, with an afternoon high temperature only in the upper 30's. Clear and cool conditions will prevail on Sunday night with a low in the low 20's. On Monday it will be sunny with temperatures moderating into the middle 40's, which it close to the seasonal average. A new storm system will pass well to our south early next week as it brushes St. Louis and Louisville, Kentucky with rain. The ridge of high pressure will maintain control through Wednesday, and shift off to the east on Thursday as the next front approaches from the plains. What does all this mean for the Stateline? A nice warm up is on the way between Monday and Thursday that will push temperatures into the middle 50's by Wednesday and the upper 50's on Thursday. The next cool front will pass through the Stateline later on Thursday with the threat of a few showers, and possibly a thunderstorm. As of this time it appears as if there will not be any significant rainfall, and any rain that falls will be scattered. The showers should end during the evening as the front moves off to the southeast. The good news is that there will not be a drastic cool down following the passage of the cool front. The high pressure following in behind the front is from the Pacific, so although it will be cooler, temperatures will remain at or above average.
By Meteorologist
Eric Nefstead
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