The SI Weather
29Aug/14Fri

7:00 AM | Increasing warmth and humidity this weekend will lead to a greater risk of showers and thunderstorms

6-Day Forecast

Today

Mostly sunny skies, still pleasant, light winds, near 80

Tonight

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

Saturday

Partly-to-mostly sunny skies, perhaps a bit more humid, but still comfortable temperatures, low 80’s

Saturday Night

Partly cloudy, mild, near 70

Sunday

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

Monday

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

Tuesday

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

Wednesday

Mostly sunny, warm, mid 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 reach the mid-to-upper 80's and could even flirt with the 90 degree mark in spots. There will also be an increased shot at showers and thunderstorms by Sunday afternoon 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 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 | Comfortable for 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 80’s

Tonight

Mostly clear and quite cool, lows by morning in the lower 60's

Friday

Mostly sunny skies, still pleasant, light and variable wind, near 80

Friday Night

Partly cloudy, cool, low 60’s

Saturday

Mostly sunny, a bit warmer and more humid, low-to-mid 80’s

Sunday

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

Monday

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

Tuesday

Partly sunny, quite warm and humid, chance for showers and thunderstorms, mid-to-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 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 | Quite warm and humid today, but more comfortable air returns for 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 early evening shower or thunderstorm; otherwise, partly cloudy skies, mild, lows by morning in the upper 60’s

Thursday

Mostly sunny skies, quite nice with lower humidity, low 80’s

Thursday Night

Mostly clear, cool, near 60

Friday

Mostly sunny, still pleasant, near 80

Saturday

Mainly sunny, more humid, low 80’s

Sunday

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

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 | High pressure continues to produce pretty comfortable weather conditions for late August; weekend to become increasingly unsettled

6-Day Forecast

Today

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

Tonight

Mainly clear, mild, lows near 70 degrees

Wednesday

Mostly sunny skies, quite warm, humid, near 90 degrees

Wednesday Night

Mostly cloudy, mild, slight chance for showers and thunderstorms, mid-to-upper 60’s

Thursday

Mostly sunny, quite nice, low 80’s

Friday

Mostly sunny, still pleasant, near 80

Saturday

Partly sunny, more humid, low 80’s

Sunday

Partly sunny, humid, chance for showers and thunderstorms, low-to-mid 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 scattered showers and thunderstorms 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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