The SI Weather
25Jul/14Fri

7:00 AM The weather becomes unsettled this weekend and there can be strong thunderstorms

6-Day Forecast

Today

Mostly sunny, nice, highs in the low-to-mid 80’s
(normal high at DCA is 88 degrees)

Tonight

Mostly clear, comfortable, lows by morning near 65 degrees

Saturday

Mostly sunny, warmer, cannot rule out a late day shower or thunderstorm, upper 80’s

Saturday Night

Mostly cloudy, mild, muggy, chance for showers and thunderstorms, near 70

Sunday

Mostly cloudy, warm, humid, occasional showers and thunderstorms, some of the storms can be quite strong, mid-to-upper 80’s

Monday

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

Tuesday

Mostly sunny, quite cool for this time of year, upper 70’s

Wednesday

Mostly sunny, still very pleasant, near 80

Discussion

High pressure will provide a nice end to the work week, but the weather becomes unsettled this weekend and there is a good chance for occasional showers and thunderstorms from Saturday night into Monday and some of the storms can be quite strong with torrential downpours, damaging winds and possible hail. Low pressure will move across the Upper Midwest on Saturday and into the Mid-Atlantic region by late Saturday night before pushing to our north on Sunday. A cold front will then approach on Monday as it moves west-to-east and this will continue the threat for occasional showers and thunderstorms as we begin the new work week. Cooler air anchored by strong Canadian high pressure and well below normal for this time of year will arrive by Tuesday and we’ll stay very comfortable into mid-week.

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25Jul/14Fri

7:00 AM | The weather becomes unsettled this weekend and there will be occasional showers and thunderstorms

6-Day Forecast

Today

Mostly sunny, nice, highs in the low-to-mid 80’s
(normal high at Central Park is 84 degrees)

Tonight

Mostly clear, comfortable, lows by morning in the mid-to-upper 60’s

Saturday

Mostly sunny, a bit warmer, cannot rule out a late day shower or thunderstorm, mid 80’s

Saturday Night

Mostly cloudy, mild, muggy, chance for showers and thunderstorms, near 70

Sunday

More clouds than sun, seasonally warm, humid, occasional showers and thunderstorms, some of the storms can be quite strong, mid 80’s

Monday

Partly sunny, seasonally warm, chance for additional showers and thunderstorms, mid 80’s

Tuesday

Mostly sunny, quite cool for this time of year, upper 70’s

Wednesday

Mostly sunny, still very pleasant, near 80

Discussion

High pressure will provide a nice end to the work week, but the weather becomes unsettled this weekend and there is a good chance for occasional showers and thunderstorms from Saturday night into Monday and some of the storms can be quite strong with torrential downpours, damaging winds and possible hail. Low pressure will move across the Upper Midwest on Saturday and into the Mid-Atlantic region by late Saturday night before pushing to our north on Sunday. A cold front will then approach on Monday as it moves west-to-east and this will continue the threat for occasional showers and thunderstorms as we begin the new work week. Cooler air anchored by strong Canadian high pressure and well below normal for this time of year will arrive by Tuesday and we’ll stay very comfortable into mid-week.

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25Jul/14Fri

7:00 AM | The weather becomes unsettled this weekend and there can be strong thunderstorms

6-Day Forecast

Today

Mostly sunny, nice, highs not far from 80 degrees
(normal high at PHL is 87 degrees)

Tonight

Becoming partly cloudy, comfortable, lows by morning near 60 degrees

Saturday

Mostly sunny, warmer, cannot rule out a late day shower or thunderstorm, mid 80’s

Saturday Night

Mostly cloudy, mild, muggy, chance for showers and thunderstorms, upper 60’s

Sunday

Mostly cloudy, warm, humid, occasional showers and thunderstorms, some of the storms can be quite strong, mid-to-upper 80’s

Monday

Partly sunny, not as warm, chance for additional showers and thunderstorms, low 80’s

Tuesday

Mostly sunny, quite cool for this time of year, mid-to-upper 70’s

Wednesday

Mostly sunny, still very pleasant, near 80

Discussion

High pressure will provide a nice end to the work week, but the weather becomes unsettled this weekend and there is a good chance for occasional showers and thunderstorms from Saturday night into Monday and some of the storms can be quite strong with torrential downpours, damaging winds and possible hail. Low pressure will move across the Upper Midwest on Saturday and into the Mid-Atlantic region by late Saturday night before pushing to our north on Sunday. A cold front will then approach on Monday as it moves west-to-east and this will continue the threat for occasional showers and thunderstorms as we begin the new work week. Cooler air anchored by strong Canadian high pressure and well below normal for this time of year will arrive by Tuesday and we’ll stay very comfortable into mid-week.

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24Jul/14Thu

7:00 AM | Lowering humidity today paves the way for a nice end to the week

6-Day Forecast

Today

Partly sunny, not as warm with lowering humidity, highs in the low 80’s

Tonight

Becoming mostly clear, quite comfortable, lows by morning in the upper 50's

Friday

Mostly sunny, pleasant, low 80’s

Friday Night

Mostly clear, cool, near 60

Saturday

Mostly sunny, warmer, cannot rule out a shower or thunderstorm, mid 80’s

Sunday

Mostly cloudy, warm, more humid, showers and thunderstorms likely, mid-to-upper 80’s

Monday

Partly sunny, not as warm, chance for showers and thunderstorms, low 80’s

Tuesday

Partly sunny, cooler, upper 70's

Discussion

A cold front arrived in the region last night with strong thunderstorms and it will push off the east coast today. As a result, clouds will give way to some sunshine as we progress through the day and it will become noticeably less humid. Conditions tonight and on Friday will be quite pleasant with comfortable temperatures and humidity values. The weekend will gradually become more unsettled with an isolated shower or thunderstorm on Saturday afternoon and then more numerous showers and thunderstorms are likely on Sunday. Cooler weather returns to the region by Tuesday and Wednesday of next week.

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