An active weather pattern during the last week in January including Chicago's first 1"+ snowfall of the year, followed by freezing rain this past Sunday, followed by thunderstorms and record rainfall amid record warm temperatures on Tuesday, followed by periods of last snow amid frigid temperatures Wednesday night into Thursday will continue right into the month of February. Waves of clipper-type snow systems (or weak snow systems from Canada) will bring the threat for light accumulating snow during the first week of February. Computer models continue to indicate several impulses riding along the periphery of a upper level ridge located across the western U.S. It is an active northwest jet stream flow pattern located on the backside of an upper level trough across the eastern U.S. in which these small snow systems will ride on.
Through Tuesday, there are at least four of these clipper systems that will march over the region possibly bring snow to the area. Each of these snow systems have the potential for dumping anywhere from a dusting upwards of 2 or 3 inches of snow. The first shot comes late tonight and on Saturday. This one has the best shot of bringing accumulating snow on the order of 1-3". The second shot comes in late Saturday/early Sunday. A third clipper system could bring light snow on Monday. A fourth clipper system could bring in some snow on Tuesday. Between now and Tuesday, temperatures also will begin to moderate and climb closer to normal.
Complete Forecast
Friday: Mostly sunny and cold. Clouds increase at night with the chance for light snow. 1-3" of snow is possible. Highs in the upper teens to lower 20s. Winds northwest 5-15 mph.
Saturday: Partly cloudy with the chance for light snow. Highs in the mid 20s. Winds northwest 5-15 mph.
Sunday: Partly cloudy and cool with the chance for light snow. Highs in the lower 30s. Winds northwest 5-10 mph.
Monday: Partly cloudy and warmer. Chance for light snow. Highs in the mid 30s. Winds west 5-15 mph.
Tuesday: Partly cloudy and cooler. Chance for light snow. Highs in the lower 30s. Winds northwest 5-15 mph.
Wednesday: Partly cloudy and seasonable. Highs in the lower 30s. Winds northwest 5-15 mph.
Thursday: Partly cloudy and seasonable. Highs in the lower 30s. Winds northwest 5-15 mph.
Friday: Partly cloudy and seasonable. Highs in the lower 30s. Winds west 5-15 mph.
8-15 day temperature trend outlook
Saturday Feb. 9: Highs in the 30s/40s.
Sunday Feb. 10: Highs in the 40s.
Monday Feb. 11: Highs in the 30s.
Tuesday Feb. 12: Highs in the 30s.
Wednesday Feb. 13: Highs in the 20s.
Thursday Feb. 14: Highs in the 30s.
Friday Feb. 15: Highs in the 30s.
Saturday Feb. 16: Highs in the 40s.
Sunday Feb. 17: Highs in the 40s.
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