The SI Weather
22Apr/14Tue

7:00 AM | Front brings showers and possible thunderstorms to the region

6-Day Forecast

Today

Becoming mostly cloudy, breezy, quite mild, afternoon showers likely with a couple of thunderstorms possible, highs near 75 degrees (normal high is now 69 degrees at DCA)

Tonight

Early evening showers possible then becoming partly cloudy, windy, much cooler late, lows by morning in the low-to-mid 40’s

Wednesday

Mostly sunny, windy, much cooler, near 60

Wednesday Night

Mostly clear, breezy, cold, mid-to-upper 30’s

Thursday

Mainly sunny, quite breezy, still on the cool side, mid 60’s

Friday

A mix of clouds and sun, milder, chance for showers, low-to-mid 70’s

Saturday

Partly sunny, quite mild, maybe a shower, low-to-mid 70's

Sunday

Mostly sunny, breezy, cooler, low 60’s

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 afternoon and early 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

Filed under: WMA Comments Off
21Apr/14Mon

7:00 AM | Nice to start the new week; showers later tomorrow and maybe a thunderstorm or two

6-Day Forecast

Today

Mostly sunny, milder, highs near 70 degrees

Tonight

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

Tuesday

Mostly cloudy, mild, PM showers likely, maybe a thunderstorm or two, low-to-mid 70’s

Tuesday Night

After an early evening shower threat, clearing skies will set in, breezy and quite cool late, low-to-mid 40’s

Wednesday

Mostly sunny, windy, cooler, low 60’s

Thursday

Mainly sunny, breezy, cool, low-to-mid 60’s

Friday

Partly sunny, milder, chance for showers, low-to-mid 70’s

Saturday

Partly sunny, mild, near 70

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, maybe a thunderstorm or two, 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 work week.

Video

Filed under: WMA Comments Off
18Apr/14Fri

7:00 AM | Decent weekend as temperatures continue to modify

6-Day Forecast

Today

Mostly cloudy, still cool with light E-SE winds, highs in the upper 50’s

Tonight

Mostly cloudy, chilly, lows by morning not far from 40 degrees

Saturday

Becoming mostly sunny, a bit milder, mid 60’s

Saturday Night

Partly cloudy, chilly, low 40’s

Sunday

Partly-to-mostly sunny, comfortable, upper 60’s

Monday

Partly sunny, milder, near 70

Tuesday

Mostly cloudy, mild, showers likely later in the day or at night, low-to-mid 70's

Wednesday

Mostly sunny, breezy, cooler, upper 60’s

Discussion

Strong high pressure just off the New England coastline has generated an ocean flow of air (low-level E-SE 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.

Filed under: WMA Comments Off
17Apr/14Thu

7:00 AM | Still on the cool side despite plenty of sunshine

6-Day Forecast

Today

Mostly sunny skies, chilly, highs in the mid 50’s

Tonight

Becoming mostly cloudy, cold, lows by morning in the mid 30’s

Friday

More clouds than sun, still chilly, upper 50’s

Friday Night

Mostly cloudy, chilly, low 40’s

Saturday

Partly sunny, milder, mid 60’s

Sunday

Mostly sunny, comfortable, mid-to-upper 60’s

Monday

Mostly cloudy, milder, low 70's

Tuesday

Mostly cloudy, mild, chance for showers, near 70

Discussion

Strong high pressure across New England will gradually slide off the coast today and a clockwise of flow around it will develop a strengthening ocean flow of air into our area. As a result, clouds will increase later tonight and tomorrow should feature more clouds than sun. In addition, temperatures will stay on the relatively cool side given the still chilly ocean temperatures just to our east. A cool front will move through the region on Saturday – likely on the dry side - and then more high pressure will take control of our weather for Sunday and Monday. The next front approaches the region by Tuesday and this should renew our chances for showers. One fly in the ointment for the weekend will be a developing late week low pressure system near the Southeast US coastline. It currently looks like it will slide off to our southeast and not impact our weekend weather in the I-95 corridor, but it still has to be closely monitored.

Video

Filed under: WMA Comments Off