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      Thunderstorms possible much of this week

      Sunday started rainy for many but with some afternoon sunshine. The Sun won't stick around for long though.

      The main issue is thunderstorm potential. The U.P. is in the warm sector of a low pressure system as of Sunday afternoon. The warm front has passed and now we wait for the cold front, which will pass overhead Sunday evening into early Monday. As the front passes, it will very likely spawn some rain and thunderstorms along it, which may start as early as late afternoon in the west. Rainfall may be heavy at times. Some other rain or thundershowers may pop up away from the front as well.

      Please send us reports if you have heavy rain or frequent lightning. If there is lightning around, please stay indoors. For some safety info, check out the National Weather Service. Sunday kicks off Lightning Safety Awareness Week.

      Sunday's highs are warm in the low to mid 80s for most of the U.P. but cooler near Lake Michigan with a south wind. Sunday's lows will be very mild in the 60s ahead of the front and only a little cooler behind it. With all the moisture in the air, fog remains likely for Sunday and several days beyond.

      Rain and thunderstorms will continue overnight as the front passes. There is a chance that some storms may be severe.

      On Monday, rain or storms may linger east, but skies will generally be clearer behind the front. Monday will be warm in the 70s to low 80s, only slightly cooler than Sunday. Lows will fall into the 50s to low 60s under partly cloudy skies.

      Tuesday will be a bit warmer in the upper 70s to low 80s with greater chances for thunderstorms. Thunderstorms are possible for almost every day of the coming week. Temperatures should be above average through Thursday when it cools down a bit.

      For more weather updates, join me on Facebook and Twitter ! On a side note of interest, the Supermoon is out Sunday night. It appears larger and brighter than any other full moon of the year, but conditions will likely be too cloudy to appreciate it.