Wednesday: Expect cloudy skies as our sneaky low pressure system comes into the region, rain will develop in the morning and persist through the early afternoon in the southeast. Rain showers will begin to mix with snow in the southwest part of Manitoba, the exception being the escarpment where snow will begin by the morning hours. The snow will start developing in east as the day goes on. Not only that but roads and highways will begin to deteriorate. Most of the snow will melt on contact during the day before some of the snow starts to stick after the surfaces have cooled. Temperatures will remain above zero in the low single digits. Highs near the 0 to 5C mark will be across the south with the exception of the Manitoba escarpment where highs will only reach the low minus single digits (-1 to -2C). Winnipeg: Cloudy. Snow beginning early in the morning then changing to rain in the morning. Rainfall amount 5 to 10 mm. Wind east 30 km/h. High plus 3. Brandon: Snow mixed with rain. Risk of freezing rain early in the morning. Local snowfall amount 2 to 4 cm. Wind east 20 km/h. High plus 2. Dauphin: Cloudy. Snow at times heavy beginning in the morning. Amount 5 to 10 cm. Wind northeast 20 km/h. High plus 1. Wind chill minus 7 in the morning.
Wednesday Night: Is when things start to really intensify, the low will begin to move east along with it a large area of snow will sit over our region with the most intense snowfall rates occurring over the interlakes, western Manitoba and sections of the eastern part of the province. Winds will be howling out of the north to northwest gusting to 70km/h at times. Widespread accumulations of 10cm are expected by morning with some areas in the southwest only seeing 2-4cm, but as mentioned in through western Manitoba and the escarpment east to the interlakes and the Manitoba/Ontario border seeing as much as 15-20cm by the morning. Overnight lows will drop into the low minus single digits in the southwest (-1 to -4C). Areas in the red river valley, interlakes and the Manitoba lakes will see lows in the low single digits (1 to 3C).
Winnipeg: Snow. Snow mixed with rain early in the evening. Snowfall amount 5 to 10 cm. Wind east 20 km/h. Temperature steady near zero. Brandon: Snow. Local amount 2 to 4 cm. Wind northeast 20 km/h. Low minus 2. Wind chill minus 8 overnight. Dauphin: Snow at times heavy. Amount 10 cm except 20 cm over higher terrain. Wind east 20 km/h becoming north 20 overnight. Low minus 4. Wind chill near minus 10.
Thursday: Will end up being the last day of significant snowfall, the low pressure system will begin to move into Ontario behind it cool arctic air will begin to filter in which will ultimately create a cold aspect to this storm system. Expect snow to persist throughout the day, with amounts in the range of as much as 15 to 25cm upwards of 30-50cm is also possible in higher terrain mainly in western Manitoba and interlake regions. What remains to be seen is how much snow melts on contact. So storm totals will vary. Temperatures for the afternoon will unfortunately drop to below zero with most regions seeing highs in the low minus single digits (-1 to -3C). Winnipeg: Snow High zero. Snowfall amounts 5-10cm. Brandon: Snow. Snowfall amounts 2-4cm High minus 1. Dauphin: Snow. Snowfall amounts 10 to 15cm. High minus 1.
Thursday Night: This storm system will move east into the Great Lakes as some of the snow will start to taper off in the in the southwest with some periods of snow in all western parts of Manitoba. Heavy snow and blowing snow will continue to impact the southeastern half of the province up into the interlakes. In general expect another 5-10cm Behind this winds will start to increase and cold air will filter in behind it. Overnight low temperatures will drop into the low to mid minus single digits (-1 to -6C) with windchill values in the low minus teens (-10 to -15C). Winnipeg: Snow. Local blowing snow. Windy. Low minus 4. Brandon: Snow. Windy. Low minus 6. Periods of snow. Low minus 5.
Friday: The low pressure system that impacted the region should start pulling out far enough away that we can start seeing some clearing, cloudy skies should be in place for the day with some residual flurries. High temperatures wont budge too much, unfortunately. Highs will only end up reaching the low minus single digits (-1 to -3C) for daytime temperatures. Winnipeg: A mix of sun and cloud with 60 percent chance of flurries. Windy. High minus 1. Brandon: Cloudy with 60 percent chance of flurries. High minus 3. Dauphin: Cloudy. High minus 2.
Friday Night: Another low pressure system out in Saskatchewan will move into the region, late overnight into the morning hours in southwestern Manitoba bringing a brief but heavy blast of snow as it moves into those regions as for the rest of the south cloudy skies can be expected as the system moves into the province. Temperatures are expected to drop well into the low to mid minus single digits (-4 to -8C) with areas in the interlake regions dropping into the low minus teens (-10 to -12C). Winnipeg: Cloudy periods. Low minus 7. Brandon: Cloudy. Low minus 7. Dauphin: Cloudy. Low minus 6.
The Weekend: Looks like a brief clipper system will move through our area as it moves into the eastern half of Manitoba on Saturday. Calmer and sunnier weather is possible on Sunday. Daytime highs look like they might be in the low to mid minus single digits with overnight lows in the mid to upper minus single digits and low to mid minus teens.
Stay tuned in the comments section the next few days for updates on the winter storm as it unfolds.
-Mike McGregor
Thank you for the update
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