Severe storm threat will cover Tuesday night but Wednesday will be calmer
Our latest low pressure system is leading with a warm front. That is lifting up warm and moist air that can be converted into strong storms on one hand but on the other, it is also creating a cap of warm air aloft that slows the rapid lift needed for violent storms. So, a splitting of the differences gives up a forecast for a slight chance of severe weather. That chance has already paid off for some towns and could continue to do so Tuesday night. Come Wednesday, a new high will take over and clear the sky in the afternoon.
The sky will be mostly cloudy and there will be a 40% chance for showers and storms. Some still could become severe despite the upper level cap resisting lift. Low temps will run 55 to 65 by Lake Superior to a range of 62-68 inland. The wind will be E 5-15 mph in MN. It will be S 5-15 mph in WI and MI. Rain totals could go towards an inch for towns that get a storm directly overhead
Rain may linger in the morning but a new high pressure system should make for a sunny sky in the afternoon. The high temps will be 70-80 in MN. They will be 80-85 for WI and MI. Thanks to compressional heating from a westerly wind, it will be warmer by the lake for a change. The wind will be NW 10-20 in MN. It will be SW 10-20 in WI and MI.
The high will make the sky stay sunny. Morning low temperature will be near 55 degrees. The afternoon high temp will strive for 78. The normal is near 78. The wind will be NW 5-10 mph.
Friday could be showery with low 58 and high 85. Saturday should be showery, too, with low 65 and high 78. Sunday may be sunny with low 57 and high 73. Monday could be mostly sunny with low 55 and high 75. Next Tuesday should be partly cloudy with low 57 and high 80.
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