OKLAHOMA CITY — The green lawn around Linda Blackwood’s Adair County house turned white after an unusual late-season snowfall swept across northeastern Oklahoma.

The National Weather Service in Tulsa says more than an inch of snow fell in parts of northeastern Oklahoma during the early-morning hours Friday. The unusual May snowfall moved to the east into Arkansas on Friday morning, but only after setting a record for the latest snow on record. The previous record for the latest snowfall in Tulsa was April 18.

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Temperatures dipped into the 20s and 30s overnight as the storm moved across the state. Meteorologist Amy Jankowski says the storm I expected to curl back into northeastern Oklahoma Friday night and there is a slight chance of more snow in the area. Temperatures are expected to warm Friday afternoon.