Thursday morning thunder? Spotty storm chances overnight

Best chance for needed rainfall favors north-central Minnesota

It’s been a dry September across much of Minnesota.

Rainfall this month is running 1.57 inches below average in the Twin Cities. Much of central and northern Minnesota has been even drier. NOAA’s 30-day precipitation map shows the dry late-summer trend.

NOAA multi-sensor precipitation analysis for the past 30 days
NOAA multi-sensor precipitation analysis for the past 30 days
NOAA/Midwest Regional Climate Center

Parts of southern Minnesota (red areas) have seen several inches of rain in the past month.

Spotty thunder overnight

A weak low-pressure system will spin up a few spotty thunderstorms overnight into Thursday morning. The best chance for some much-needed rainfall favors north-central Minnesota. A few scattered showers and thunderstorms could brush the Twin Cities Thursday morning.

Here’s NOAA’s HRRR model output between 7 p.m. tonight and 8 a.m. Thursday.

NOAA WRF model between 7 pm Wednesday and 8 am Thursday
NOAA WRF model between 7 p.m. Wednesday and 8 a.m. Thursday.
NOAA via tropical tidbits

The forecast looks mainly dry again into the weekend. So your best hope for some rainfall is tonight into Thursday morning.

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