Extended outlooks are more general in nature than the daily short term forecasts. Beyond a week, there is often significant uncertainty in the location and intensity of specific weather events. I will note where there is less, or greater, confidence than normal in these extended outlooks.
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Here is the latest short term weather forecast.
- Major East Coast Storm now looking likely this coming Sunday and Monday. Heaviest snows for this storm will be inland and away from the immediate coast.
- Mostly dry and warmer than average west of the Mississippi throughout the forecast period.
- Expect another Arctic outbreak to enter into the Northern Plains the following weekend (22-23 January) and keep the East’s temperatures below average and produce more opportunities for snow.
Outlook for Friday – Sunday 14-16 January:
— On Friday, low pressure over the Dakotas moves south and east to MS and the Deep South by Saturday night, strengthening along it’s track.
— The storm will bring snow to the Upper Midwest, IA and MO on Friday and Saturday and rain and thunderstorms to the deep South Saturday night.
— By Sunday night the storm is over Cape Hatteras and strengthening.
— On Sunday the rain/snow line will likely set up along to just to the south of I-40. However, there could be an extended period of freezing rain in SC away from the coast on Sunday as cold air near the surface is trapped by the Appalachian Mountains.
Outlook for Monday – Wednesday 17-19 January:
— By Monday morning the storm is over the DELMARVA peninsula.
— Expect moderate to heavy snow over northwest VA, western MD, and parts of PA and NY. It’s too early to get into specific amounts at specific locations, but expect some locations in the mid-Atlantic and Northeast will see 6-12″ of snow.
— Expect much of I-95 from NC northwards will start as snow, then change over to rain. I-85 and I-81 could see mostly snow.
— By Monday evening the storm moves into New England. Expect coastal rain and inland snow.
— On Tuesday, lake effect snows kick in behind the storm.
— Next storm on Tuesday and Wednesday moves across MN and over the Great Lakes. It will bring snow from the Dakotas, MN, WI and MI into NY and much of New England on Wednesday.
Here are the temperature, precipitation and snowfall outlooks for Friday – Wednesday 14-19 January
verage temperature difference relative to normal, Friday – Tuesday 14-18 January 
Percentage of precipitation, relative to normal, through Wednesday 19 January. Red and brown is drier than normal; green and blue is wetter than normal. 
Snowfall amounts through Wednesday 19 January. The east coast storm on Sunday and Monday shows up clearly in these total.
Temperature and precipitation outlooks for Tuesday – Saturday 18-22 January
Temperature and precipitation outlooks for Thursday – Wednesday 20-26 January
