Pea soup
Combine light winds, a stagnant air mass, snow melt from Sunday and what do you get?
You can barely see your hand in front of your face.
Dense fog persists this morning as visibilities are down to nearly 100 feet in some areas from the Twin Cities south to I-90 this morning.
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Current weather and visibilities
Air quality is also an issue today. The stagnant area of high pressure which gave us a pleasantly mild weekend also trapped fine particulates near the surface. Air quality readings spiked above 100 around much of southern Minnesota, making for an unhealthy atmosphere.
Want some good news?
Depending on your perspective, the Twin Cities will miss another snow storm tracking by to the south. The I-90 corridor will again see accumulating snow today and tonight. The cooler north winds behind this system will blow in drier air, which will clear out the fog and improve air quality over the next 24 hours.
If you thought this weekend felt nice and mild you are right. We hit 38 in the metro Sunday. That's the warmest day this month, and the warmest since 43 on January 28th. It's also the second warmest day in 3 months, since 48 on November 25th!
Areas in southwest Minnesota with no snow cover were the warmest. Redwood Falls and Montevideo recorded 43 degree highs Sunday. Madison hit 45. And Canby hit 52 degrees Sunday! That's the warmest day in Canby in over 3 months since they hit 53 on November 18th!
Cooler breezes kick in tonight, but the sub zero air should be confined to northern Minnesota this week. Enjoy the cleaner Canadian air, and the warm up as we return to the 30's this weekend!
PH