Southern Minnesota has the best chance of showers this Thursday, but the Twin Cities metro area and central Minnesota could see a few passing sprinkles at times. An isolated thunderstorm is also possible in southern Minnesota.
Researchers are looking for alternatives to salt or harmful chemicals, including using concrete that can safely conduct electricity and heat road surfaces to keep them clear of ice and snow.
President Trump is scheduled to visit the U.S. territory on Tuesday. Many there are without food, water and gas shortages following Hurricane Maria -- a situation Trump has tweeted about frequently.
Like in many other parts of Puerto Rico, cell service is slowly returning and waters are receding in Playita after Maria's devastation. But for the residents there, the progress is painfully slow.
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We're likely see another 1 to 3 inches-plus of rainfall overnight into Tuesday. The axis of heaviest rainfall most likely straddles the northwest metro, from southwestern Minnesota through St. Cloud to the Iron Range and North Shore.