MINNEAPOLIS (WCCO) — Wednesday night’s flash flood threat has shifted a bit further south, according to WCCO-TV Meteorologist Mike Augustyniak.

Severe weather is moving across northern Minnesota Thursday night, and the National Weather Service says there have been two reports of a tornado on the ground in St. Louis County between Orr and Gheen just after 8 p.m. They are still working on confirming these reports.

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Tuesday night’s storms have left a cap on the atmosphere for much of the central and southern parts of the state. But a jet stream moving northeast from Colorado will enter into southern Minnesota late Wednesday night, helping to unlock all of the heat and humidity and turn it into heavy rain overnight.

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Between 1 a.m. and 4 a.m. Thursday, heavy thunderstorm activity will move into southern Minnesota. Damaging straight-line winds and hail will be possible. The Twin Cities will be on the northern fringe of this severe weather, and it’s possible there might be a couple hours of heavy rain during the morning commute.

The southeastern half of the state will likely get the most rainfall, with 1 to 3 inches possible. A Flash Flood Watch is in effect Wednesday night into early Thursday, but it excludes the Twin Cities metro.
The system will be out of Minnesota by mid-morning, leaving another cap over the atmosphere, warding off severe weather for the rest of Thursday – but a Heat Advisory will be in effect for the metro and the southeastern corner of the state from 1 p.m. Thursday into Friday. Highs will be in the low 90s, but it will feel like it’s between 95-100 degrees.

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Friday will be warmer, and there will be storms passing through northeast Minnesota in the evening — with a chance for heavy rain in the metro in the overnight. But relief from the heat, flash floods and storms comes Saturday, and we’ll enjoy a spell of calmer weather next week.