The SI Weather
29Aug/14Fri

7:00 AM | Heat and humidity build up this weekend leading to an increased risk of showers and thunderstorms

6-Day Forecast

Today

Mostly sunny skies, still pleasant, light winds, low 80’s

Tonight

Partly cloudy and cool, lows by morning in the low-to-mid 60’s

Saturday

Partly sunny skies, a bit warmer and more humid, mid 80’s

Saturday Night

Partly cloudy, mild, near 70

Sunday

More clouds than sun, quite warm and humid, chance for showers and thunderstorms, near 90

Monday

More clouds than sun, quite warm and humid, chance for showers and thunderstorms, near 90

Tuesday

More clouds than sun, quite warm and humid, chance for showers and thunderstorms, near 90

Wednesday

Mostly sunny, quite warm, upper 80’s

Discussion

Very nice weather conditions will continue in the region for another day as we close out the work week, but then as high pressure pushes off the east coast this weekend, changes will come to our air mass with increasing heat and humidity. By Sunday afternoon, high temperatures around here should flirt with the 90 degree mark and there will be an increased shot at showers and thunderstorms although most of the day will be rain-free. The shower and thunderstorm threat will continue on Monday and Tuesday in the Mid-Atlantic region, but most of those days should be rain-free as well.

At the nearby Atlantic beaches, the high waves and rip currents of recent days should subside this weekend as the remains of Hurricane Cristobal continue to race away into the North Atlantic. In fact, it may one of those rare occasions in which there are no tropical storms to talk about in the Atlantic Basin during the normally active period around Labor Day - and perhaps no tropical cyclones anywhere across the globe.

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28Aug/14Thu

7:00 AM | Quite nice today and Friday…increasing heat and humidity this weekend

6-Day Forecast

Today

Mostly sunny, quite nice with noticeably lower humidity, a refreshing NW breeze, highs in the low-to-mid 80’s

Tonight

Mostly clear and quite cool, lows by morning not far from 60 degrees

Friday

Mostly sunny skies, still pleasant, light and variable winds, low 80’s

Friday Night

Partly cloudy, cool, low-to-mid 60’s

Saturday

Partly sunny, a bit warmer and more humid, mid 80’s

Sunday

More clouds than sun, quite warm and humid, chance for showers and thunderstorms, near 90

Monday

More clouds than sun, quite warm and humid, chance for showers and thunderstorms, upper 80’s

Tuesday

Partly sunny, quite warm and humid, chance for showers and thunderstorms, upper 80’s

Discussion

A cool front moved through the region last and the result will be a much more comfortable air mass for today and Friday with slightly below normal temperatures and low humidity levels for this time of year. High pressure will be in charge through tomorrow, but then will slide off the east coast and this movement will allow for the return of much warmer and more humid air as the weekend progresses with an increasing shot at showers and thunderstorms. That threat for showers and thunderstorms will arrive on Sunday in much of the Mid-Atlantic region and continue on Monday and Tuesday as well. At the nearby Atlantic Ocean beaches, there will be high waves and possible rip currents today and on Friday as a result of the effects of Hurricane Cristobal which is racing away from the coastline towards the open North Atlantic. The high waves and rip current threat should subside this weekend.

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27Aug/14Wed

7:00 AM | Very warm and humid today, but more comfortable air returns on Thursday and Friday

6-Day Forecast

Today

Mostly sunny, quite warm and humid, slight chance for a late day shower or thunderstorm, highs near 90 degrees

Tonight

Slight chance for an evening shower or thunderstorm; otherwise, partly cloudy skies, turning a little cooler late, lows by morning in the low-to-mid 60’s

Thursday

Mostly sunny skies, quite nice, noticeably lower humidity, low-to-mid 80’s

Thursday Night

Mostly clear, cool, low 60’s

Friday

Mostly sunny, still pleasant, low 80’s

Saturday

Partly-to-mostly sunny, warmer and more humid, chance for showers and thunderstorms at night, mid-to-upper 80’s

Sunday

Partly sunny, hot, humid, chance for showers and thunderstorms, near 90

Monday

Mostly cloudy, not as warm, humid, still the chance for showers and thunderstorms, mid-to-upper 80’s

Discussion

High pressure will push off the coast today and a weak cool front will approach from the west. Heat and humidity will build up noticeably ahead of the front throughout the Mid-Atlantic region and there can be a widely scattered late day or early evening shower or thunderstorm, but no significant rainfall is expected along the I-95 corridor and it could actually remain completely rain-free during this frontal passage. Another refreshing air mass will push into the region for Thursday and Friday, but then the humidity will climb this weekend as this next high pressure system moves off the coast and there will be an increasing chance for showers and thunderstorms as we progress through the holiday weekend.

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26Aug/14Tue

7:00 AM | Still pretty comfortable for August; holiday weekend becomes quite unsettled

6-Day Forecast

Today

Mostly sunny, comfortably warm, moderate humidity, highs in the mid 80’s

Tonight

Mainly clear, mild, lows in the lower 60’s

Wednesday

Mostly sunny skies, quite warm, humid, just a slight chance for a late day shower or thunderstorm, near 90 degrees

Wednesday Night

Partly cloudy, turning cooler late, low-to-mid 60’s

Thursday

Mostly sunny, very nice, low-to-mid 80’s

Friday

Mostly sunny, still pleasant, low 80’s

Saturday

Partly sunny, warmer, more humid, chance for showers and thunderstorms late, mid-to-upper 80’s

Sunday

Partly sunny, humid, chance for showers and thunderstorms, mid-to-upper 80's

Discussion

High pressure will stay in control of our weather today and provide us with continued comfortable temperatures and humidity levels for late August. A weak cool front will cross the region tomorrow night and it’ll become warmer and more humid ahead of the frontal system on Wednesday. That front could spark a widely scattered shower or thunderstorm late tomorrow or early tomorrow night and then another refreshing air mass will push into the Mid-Atlantic for Thursday and Friday anchored by new high pressure. Once that next high pressure system pushes off the east coast at the end of the week, more humid air will return to the region and the threat for showers and thunderstorms will increase as the holiday weekend progresses. Elsewhere, Cristobal has reached weak hurricane status (category 1), but it will remain well off the east coast and head towards the open Atlantic later this week. Another tropical disturbance has formed in the eastern Atlantic and this system - as well as the entire Gulf of Mexico region - will have to be closely monitored during the next several days as atmospheric conditions will be increasingly favorable for tropical storm development.

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