Pleasant Wednesday; some showers Wednesday night
The swirl of low pressure that brought us blustery winds and scattered thunderstorms on Tuesday is centered over northwestern Ontario this Wednesday morning.
Clouds are lingering over much of the state north of the Twin Cites as of sunrise and will be slow to thin. A few sprinkles might linger in the Arrowhead in the morning.
High temperatures will remain on the cool side for August and range from around 60 in the Boundary Waters to the low and mid-70s in the south. A westerly wind will become rather brisk.
For the Twin Cities area, expect mostly sunny skies, a high temperature near 73 and a west wind increasing to at least 15-25 mph. It will be a fine day at the State Fair.
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Showers Wednesday night, then warmer Thursday
A weather system in western Canada as of Wednesday morning will sweep across Minnesota with scattered showers Wednesday night into Thursday morning, mainly affecting northern and east-central Minnesota.
Thursday is likely to be the warmest day this week. Look for high temperatures from the mid-60s in the north to near 80 in the southeast corner around Caledonia.
Canadian air again on Friday
Cool, dry Canadian high pressure will begin to work its way across Minnesota on Friday. Expect lots of sun and mostly dry skies for most of the state from Friday through the weekend into Labor Day Monday. There might be a few showers across far southern Minnesota Friday night or Saturday.
Warmer Labor Day
Warmer air should blow in for the last day of the State Fair on Monday. The Twin Cities might touch 80 degrees for the first time in almost two weeks.
Active tropical Atlantic
Tropical Storm Dorian swept across the Lesser Antilles on Tuesday and will bring heavy rain to Puerto Rico and the Virgin Islands on Wednesday. Dorian is forecast to strengthen into a hurricane after clearing the Greater Antilles and heading out over warm water. Dorian is likely to approach the East Coast of Florida on Sunday.
The main threat to the U.S. from Dorian is likely to be heavy rain in the Southeast. The seven-day precipitation outlook through 7 a.m. next Wednesday is for approximately 3 to 6 inches of rain for much of Florida.
We also have Tropical Storm Erin on the weather map. Erin is tracking northwestward as of Wednesday morning but is forecast to turn to the northeast and head toward Nova Scotia.
