Workweek weather: More record highs possible this week

(WTOP/Storm Team 4)
Computer model projections for temperatures for the week show the fluctuations early because of the meandering frontal boundaries. Reagan National Airport record high temperatures this week (some of them go way back):
Wednesday, Feb. 22: 77 – 1874
Thursday, Feb. 23: 78 – 1874
Friday, Feb. 24: 78 – 1985 (WTOP/Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
The first few images zoomed into the area are from the RPM computer model. Beyond its output range, we’ve switched to a wider view with the GFS computer model, which has a lower resolution than the RPM. Monday morning lows will be closer to our average highs, but Monday afternoon temperatures will only be slightly above average. Tuesday morning is the only morning that will feel chilly and Tuesday afternoon will have the coolest feel of the week. From Wednesday on, we’re back in the warmth. We note that the models have been too cool with these big warm ups this season, so mentally adjusting for that, we could be near the records again this week. (Data: The Weather Company | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
(Data: Environmental Modeling Center, NOAA | Graphics: Storm Team 4)
(Data: Environmental Modeling Center, NOAA | Graphics: Storm Team 4)
(Data: Environmental Modeling Center, NOAA | Graphics: Storm Team 4)
(Data: Environmental Modeling Center, NOAA | Graphics: Storm Team 4)
(Data: Environmental Modeling Center, NOAA | Graphics: Storm Team 4)
(Data: Environmental Modeling Center, NOAA | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
The best chance for rain this week — slim as the chance is — will be on Tuesday with the passage of the weak warm front and cold front. The RPM model is also projecting a small line of light showers through the afternoon. Note that if the model is “underdone” we’re probably still looking at a tenth of an inch at best. (Data: The Weather Company | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
(1/13)
(WTOP/Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
(Data: Environmental Modeling Center, NOAA | Graphics: Storm Team 4)
(Data: Environmental Modeling Center, NOAA | Graphics: Storm Team 4)
(Data: Environmental Modeling Center, NOAA | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)
(Data: The Weather Company | Graphics: Storm Team 4)

WASHINGTON — If you include Presidents Day as part of the new workweek, the new week will start off with morning temperatures more suitable for being high temperatures for this time of year.

A weak cold front will have passed through the region, changing the predominant wind direction to more northerly, so the rest of Monday won’t be as warm as it was over the weekend. Still, temperatures will max out well above average; there won’t be any challenges to weather records for a few days.

The prevailing pattern across North America as shown by the jet stream configuration will feature a ridge of high pressure in the Southeast region of the country and a deep trough of low pressure in the West with only some minor fluctuations with the passage of a couple of weak fronts here in D.C. Arctic air will remain trapped in central Canada. The West Coast will continue to get more and more rainfall, and the higher elevations in the Rockies will get more snow. There will some variability with temperatures either being above average or well above average. By the end of the workweek, the weather could be challenging some records again.

As unusually warm this pattern is, it’s also very dry. Most of the strongest energy will miss the D.C. area to the northwest, and there is only a chance for scattered showers with the weak fronts in the Tuesday and Wednesday time frames.

Beyond the workweek, there are some indications the colder weather will break down the ridge of high pressure in the East and, therefore, the warmth as you head into the weekend and a chance for some more rain as March approaches.

Daily weather highlights

MONDAY
— Mostly sunny skies
— High temperatures more like beginning of April
— A bit breezy

TUESDAY
— Sun early, then a few hours of clouds
— A few passing showers possible for a few hours
— Coolest day of the week, not that it will feel cool for February

WEDNESDAY
— A passing shower possible again early
— Clearing later and warming up again
— Large temperature contrast from north to south possible depending on speed of front

THURSDAY & FRIDAY
— Partly sunny, mid and high level clouds
— Possible record highs again

Editor’s Note: The WTOP Workweek Weather Blog is intended as an in-depth yet plain language summary of the business week’s weather potential in the D.C. area along with an explanation of the contingencies and uncertainties that exist at the time of publication. For the latest actual Storm Team 4 forecast, check out the main WTOP Weather Page.

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