Forecast Last Updated at Friday, September 18, 2020 at 6:52AM
Incoming Autumn Preview
We say sayonara to Sally today as its remnants have pushed well off to our east. Our attention is now focused on an incoming cold front that will bring an early taste of Fall to the High Country for the upcoming weekend. Clouds hang around today and Saturday as well as some gusty winds. The winds relax Saturday night and skies clear. Our first frost potential of the season for the valleys is in store for Saturday and Sunday nights as lows drop back into the upper 30's. Wall to wall sunshine closes out the weekend on Sunday with cool and pleasant temperatures.
Hi: 67 Lo: 49
Mostly cloudy; North wind 10-20 mph, gusty up top
Hi: 65 Lo: 41
Mostly cloudy; Cool; Clearing Sat night with valley frost possible; East wind 5-15 mph bec light
Hi: 63 Lo: 39
Wall to wall sunshine; Cool; Valley frost possible; Light East wind
Hi: 63 Lo: 39
Sunny skies; Continued cool for mid-September; Valley frost possible
Hi: 68 Lo: 45
Mostly sunny; Autumn begins cooler than average
Wednesday - Mostly sunny; Slightly warmer; High in the lower 70s; Low in the upper 40s
Thursday - Scattered clouds; Seasonal temps; High in the mid 70s; Low in the lower 50s
A front from the northwest moves through early this morning and clouds will be stubborn in the backwash of Sally's counterclockwise flow, but today will be dry. Cool, Canadian high pressure centered in the Great Lakes this weekend and New England early next week then takes control of our weather. This is an unseasonably cool airmass and will produce an early start to fall temperatures. Sunday and Monday will be particularly chilly and valley frost will be possible Saturday night, Sunday night, and Monday night.
The high will maintain control over our weather through much of next week as it drifts southward from New England and takes up shop over the Mid-Atlantic by midweek. A gradual warming trend begins on Tuesday but temperatures remain below seasonal averages. Temperatures rebound closer to normal for the latter half of next week. Looking for rain? There's none in sight.
The tropics continue to be very active. With Sally gone, the powerful category-four Hurricane Teddy is the big bully on the block. Teddy is expected to pass near or just east of Bermuda late in the weekend, before impacting Atlantic Canada next week. Tropical Depression #22 is in the southern Gulf of Mexico and will be meandering for days, likely getting the name ‘Wilfred’. A couple more tropical waves in the eastern Tropical Atlantic stand a chance at development over the next week. Any more designated names roll over into the Greek Alphabet
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