The breaks between rainfall events have been short, and after some areas saw significant precipitation Saturday night, another round arrived Monday evening and overnight into early Tuesday morning.
“We had a combination of systems combine to bring us another dose of thunderstorms and rain,” said CMOS Accredited Weathercaster Chris Sumner. “A system moving northeastward out of the Dakotas and Minnesota, which was being fed moisture from the Gulf of Mexico and southwestern U.S., ended up merging with a low crossing the Prairies Monday which had Pacific moisture in it. Together, that meant the potential for a lot of rain, and that’s what we’re seeing this morning.”
Many areas saw rain for two to four hours Monday night, alongside non-severe thunderstorm and gusty winds.
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The following totals are for Monday, June 17th through Tuesday, June 18th at 8 a.m. (unless otherwise noted), and are courtesy PembinaValleyOnline Rainwatchers, Environment Canada and the Manitoba Ag Weather Network:
Steinbach – 30.0mm (1.2 inches)
Rosenfeld – 26mm
Reinland – 25.4mm (just over 1 inch)
Winkler (in City) – 24mm
Altona -23.7mm
Morris – 22.7mm
Morden - 22.5mm
Plum Coulee – 21.3mm
Winkler (south of city)– 20.5mm
Starbuck – 20mm
Dominion City – 19.9mm
Carman – 19.1mm
Kane/Manitou 18.8mm
Clearwater – 17.9mm
Jordan – 17.3mm
Elm Creek – 17.2mm
Pilot Mound – 16.6mm (Mon only)
Morden (AAFC Station) = 10.7mm (Mon only)
Gretna – 6.6mm (Mon only)
Emerson – 2.7mm (Mon only)
25mm = 1 inch
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“Gusty northerly winds on the backside of the low, and much cooler air from Canada’s north, will keep Tuesday well below average temperature-wise, and feeling pretty damp,” noted Sumner. “There will be the chance for additional showers and thunderstorms throughout the day, before surface high pressure begins building in late tonight and into Wednesday, bringing a return to sunshine and warmer conditions.”
Daytime highs Tuesday will struggle to reach the 14 to 16 range, with Wednesday looking likely to land between 19 and 21 and Thursday between 23 and 25.
“The sunnier and closer to seasonal weather will last a couple days, before we see the return of cloud cover and thunderstorm chances Friday night into Saturday when yet another low pressure system crossing the southern Prairies is expected to impact our region."
Averages right now are 25 degrees daytime and 12 degrees for overnight lows.