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Yes it can snow at and above 40 degrees. It can snow up to 45 if the conditions are just right. In order to snow at these temps the atmosphere has to be completely at or below 32, with no warm layer aloft. Also for it to snow at these temps, the dew point has to be at 32 degrees or below. The wind chill as nothing to do with the actual air temp as stated as an answer. I have seen it snow at 45 before near Chicago. Of course the snow will not stick and it would most likely be just some scattered flurries or a brief snow shower and it will not stick.

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16y ago

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