Widespread frost for many Tuesday night; dry September continues

Highs in the 70s return across southern Minnesota by Friday

lows WED 8am
Forecast low temperatures Tuesday night into early Wednesday
National Oceanic and Atmospheric Administration, via Pivotal Weather

It’ll be a cool, breezy Tuesday with highs mainly in the 50s. Overnight lows will dip into the 20s in northeastern Minnesota and widespread 30s farther south. A warmup then commences with 70s returning by Friday. The very dry weather continues as well.

Watch for frost Tuesday night into Wednesday

It was a cold morning early Tuesday across northern Minnesota. Cook dipped to 28 degrees early Tuesday morning. Hibbing was 30 along with Orr and Aitkin. Bemidji bottomed out at 29. Many other spots were at the 32 degree mark.

It’ll be a cool, breezy Tuesday with lots of sunshine. Highs will only be in the 50s for most.

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Forecast high temperatures Tuesday
NOAA, via Pivotal Weather

A cool Tuesday with calm winds and clear skies will set us up for an even colder night. Temps will dip to frosty levels for many areas outside of the Twin Cities with more 20s in northeastern Minnesota.

temp loop
Forecast temperatures from 4 p.m. Tuesday through 7 a.m. Wednesday
College of DuPage

A warmup is already on the way, however, with highs in the 70s across southern Minnesota by Friday.

Friday is the last day of September and there’s no rain in sight so it’s likely this will go down as the driest September on record according to the National Weather Service.

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top driest Septembers
Top driest Septembers on record
National Weather Service

The very warm and dry September also has an impact on fall colors. This year is quite a bit behind the last two years.

fall color compare
Comparison of 2022 with other fall color years
Minnesota Department of Natural Resources

Hurricane Ian

Hurricane Ian is still on track to strike the west coast of Florida sometime on Wednesday as a major hurricane.

nhc IAN 9am
Forecast track for Hurricane Ian
National Oceanic and Atmospheric Administration's National Hurricane Center

You can track Hurricane Ian live at:

MPR News weather interactive radar

Ian radar
Interactive radar image for Hurricane Ian early Tuesday morning
MPR News weather