Weather Forecast Discussion

Sticky with a shower or t-storm threat each day through next week…but most days are mainly dry

90-degree heat likely Sunday through Tuesday

TONIGHT: Partly to mostly cloudy and rather humid with a spotty shower or a stray thunderstorm. Some drizzle and areas of fog late. Low: 66

THURSDAY: Mostly cloudy and humid with some patchy morning fog, then a shower, some drizzle, or a thunderstorm possible. High: 82

THURSDAY NIGHT: Rather cloudy and sticky with a shower or thunderstorm in spots. Low: 68

NO WIDESPREAD WARNINGS, WATCHES, OR ADVISORIES AT THIS TIME
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Compared to Wednesday, our Thursday was a little brighter, a little less humid, and a little drier for most. Morning low clouds and fog gave way to some sunshine as the day evolved, and while it was mostly rain-free, it wasn't entirely dry. That's going to be a common theme in our forecast over the next seven days, as no one day looks to totally escape the mention of the chance of a shower or thunderstorm. That being said, there are no washouts in sight and each of the next seven days look to be more dry than wet. The heat will notably build as the weekend unfolds, with several days of 90-degree high temperatures likely starting Sunday and lasting through early next week.

The exception to the dry rule today was found the farther northwest you traveled, with a few pop up showers through western Berks and Schuylkill counties and a lone thunderstorm through Luzerne and Carbon counties as of late Thursday afternoon. Besides that one storm that will drift east through parts of the Poconos late this afternoon, expect a mostly dry night with partly to mostly cloudy skies and overnight lows in the mid 60s. Mostly dry doesn't mean entirely dry, as there could be a stray shower or some spotty drizzle along with some patchy fog developing overnight. Meanwhile, the best chances for thunderstorms remains to our west across central Pennsylvania through tonight and probably into Friday as well, perhaps coming close to the Interstate 81 corridor.

We'll wrap up the week on Friday with lots of clouds and some morning fog again giving way to at least a little sunshine during the day. It will be another seasonably warm and humid day before the temperatures start to rise over the weekend. And yes, it's another mostly dry day but some patchy early drizzle, a spotty shower, or a stray thunderstorm is possible in a few spots. So the muddled forecast continues, often sticky and occasionally stormy but rain-free most of the time.

And the muddling continues into the weekend as well with one big difference, increased heat.  Expect a mix of clouds and sunshine both Saturday and Sunday, probably more sun than we've seen over the last few days. The extra sunshine, coupled with winds shifting from the south and southwest, means extra heat and humidity as well with highs climbing well into the 80s on Saturday and then around or above 90 degrees from Sunday through Tuesday. Given that there will be more fuel to fire up a shower or storm, they will remain a fixture in the forecast over the weekend, although the better part of the weekend should be storm-free.  The same goes for Monday and Tuesday, with thunderstorm chances perhaps increasing by midweek (later Tuesday through early Thursday) as a cold front approaches from the northwest. Once that front passes, the heat should ease a bit later next week as we'll trade our 90s for mid 80s by week's end.

Have a good night and a great Friday!

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Historical Averages

High Low
Current 89°F 70°F
Average 81°F 60°F
Record 98°F August 21, 1916 45°F August 21, 2000