The SI Weather
23Apr/14Wed

7:00 AM | Much cooler today with strong NW winds

6-Day Forecast

Today

Partly sunny, windy and much cooler, gusts up to 40 mph or so, highs in the upper 50’s

Tonight

Partly cloudy, windy and cold, lows in the upper 30's by morning

Thursday

Mostly sunny, still quite breezy and on the cool side, low 60’s

Thursday Night

Mostly clear, chilly, near 40

Friday

Mostly cloudy, breezy, a bit milder, chance for a few showers, mid 60’s

Saturday

Partly sunny, breezy, mild, maybe a shower, mid-to-upper 60’s

Sunday

Mainly sunny, breezy, cooler, near 60

Monday

Partly sunny, cool, chance for showers at night, low 60’s

Discussion

The big weather story of the day will be the strong NW winds that can gust up to 40 mph or so at times. These winds will flood the Mid-Atlantic region with a much cooler air mass compared to yesterday following the passage of a strong cold frontal system late yesterday that brought with it numerous showers and thunderstorms. Temperatures will hold in the 50’s this afternoon despite some sunshine along with those stiff NW winds and low temperatures by early tomorrow morning will once again bottom out in the 30's in many areas. It’ll continue on the cool side on Thursday, but milder conditions are likely at the end of the work week and during the beginning of the upcoming weekend before it turns cooler again early next week.

Looking ahead and to put it simply - next week is looking ugly. A large-scale upper level trough will set up shop in the eastern U.S. by the middle-to-latter part of next week and this will lead to an extended period of cool and unsettled weather with the threat for rain over several days. In fact, it'll likely be cold enough later next week in parts of the central/northern Plains and Upper Midwest for some more late season snow to fall in those areas during next week's cool and unsettled weather pattern.

Video

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22Apr/14Tue

7:00 AM | Front brings showers to the region by early tonight; much chillier with stiff NW winds on Wednesday

6-Day Forecast

Today

Sun followed by increasing clouds, mild, showers possible at the end of the afternoon, highs near 70
(normal high is now 63 degrees at Central Park)

Tonight

Mostly cloudy with showers, maybe a thunderstorm, turning much cooler late, lows by morning in the upper 40’s

Wednesday

Partly sunny, windy, much cooler, upper 50’s

Wednesday Night

Mostly clear, breezy, cold, upper 30’s

Thursday

Mainly sunny, quite breezy, still cool, near 60

Friday

A mix of clouds and sun, milder, chance for showers, mid-to-upper 60’s

Saturday

Partly sunny, mild, maybe a shower, mid-to-upper 60’s

Sunday

Partly sunny, breezy, cooler, near 60

Discussion

Strong high pressure will lose control of our weather today as a cold frontal system pushes towards the east coast. This front will generate late day and evening showers in the Mid-Atlantic region and maybe even a thunderstorm or two. Behind the front, it’ll turn noticeably cooler on Wednesday along with a stiff NW wind and it should remain pretty cool and breezy on Thursday as well. Milder conditions will return to the area as we close out the work week, but so will a threat for showers.

Video

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21Apr/14Mon

7:00 AM | Milder to start the new week; showers roll in by tomorrow night

6-Day Forecast

Today

Mostly sunny, milder, highs in the mid 60’s

Tonight

Partly cloudy, cool, lows by morning in the upper 40’s

Tuesday

Mostly cloudy, mild, showers likely late in the day, near 70

Tuesday Night

Mostly cloudy, cool, breezy, showers likely, upper 40’s late

Wednesday

Partly sunny, windy, cooler, upper 50’s

Thursday

Mainly sunny, breezy, still cool, near 60

Friday

Partly sunny, milder, chance for showers, mid-to-upper 60’s

Saturday

Partly sunny, mild, maybe a shower, mid 60’s

Discussion

Strong high pressure will control our weather to begin the new work week, but a frontal system will approach the Mid-Atlantic region on Tuesday. This next cool front is likely to generate showers later tomorrow and tomorrow night and then cooler air will flow into the area on Wednesday riding in on stiff NW winds. Temperatures will remain cool on Thursday and then another frontal system could generate more showers around here at the end of the week.

Video

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18Apr/14Fri

7:00 AM | Decent weekend as temperatures will modify

6-Day Forecast

Today

More clouds than sun, still cool with light E-NE winds, highs in the low 50’s

Tonight

Mostly cloudy, chilly, lows by morning in the lower 40's

Saturday

Becoming mostly sunny, a bit milder, low-to-mid 60’s

Saturday Night

Partly cloudy, chilly, low-to-mid 40's

Sunday

Partly-to-mostly sunny, cool, near 60

Monday

Mainly sunny, cool, low 60’s

Tuesday

Mostly cloudy, milder, showers likely late in the day or at night, upper 60’s

Wednesday

Partly sunny, breezy, cooler, low 60’s

Discussion

Strong high pressure just off the New England coastline has generated an ocean flow of air (low-level E-NE winds) in the region and this has resulted in clouds pushing in from the east. This rather moist flow of air will, in fact, help to keep copious amounts of clouds around the region right through tonight and temperatures will stay on the cool side as ocean temperatures are still quite chilly this time of year. A frontal system will cross the region early Saturday changing our wind direction and a new high pressure system will subsequently build into the region from eastern Canada for Sunday and Monday. Another frontal system will then approach on Tuesday bringing with it a good chance of showers for the Mid-Atlantic region. Looking ahead, it appears there will be another shot of cold air for the Northeast US as we work our way through the last week of the month.

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