WEATHER STORY: Low pressure systems have all sorts of dramatic terms attached to them. Bomb Cyclogenesis is one of them which deals with a low that deepens rapidly. Deepen is another of those terms. It means a low’s pressure is getting even lower. We have a low deepening over the Rockies and that may mean rain on Sunday. Friday and Saturday will have a high keeping the sky clear. That clear sky high will allow chilly temps Friday night. National Weather Service Duluth is done issuing Frost Advisories and Freeze Warnings until next spring. They figure this week’s killing frost did its job for the season. Normals this week: highs 52-55, lows 35-38.

WEEKEND FORECAST AT A GLANCE: Minnesota - sunny Saturday, rainy Sunday, highs 60-65, lows 37-48. Wisconsin - sunny Saturday, rainy Sun

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