When will the heat wave be over? Relief may be on a slow train for Cape Cod.

The hot skillet session of Cape Cod weather looks to be drawing to a close, at least for a while. While a heat advisory remains in effect for the Cape until 8 p.m. Tuesday , there are signs that cooler and drier air is on the way to our sizzling peninsula.

But it looks like it will be a murky weather journey through the mid-week, as a slow-moving front bringing relief dances a slow tango with the hot sponge currently in place. The eventual payoff? "Seasonable, with much lower humidity Friday into next weekend," according to the National Weather Service Norton/Boston office forecast discussion.

Bill Simpson, spokesman for the Norton weather office, said on Monday that forecasters are still trying to figure out how the mid-week weather will play out.

While some weather systems have clearly predictable velocity, in this case, we are dealing with a "stalled frontal boundary" according to the forecast discussion, that will eventually bring cooler and drier air to the region.

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"We don't know where that frontal boundary is going to go," said Simpson, who added that the picture will be clearer as the week progresses.

"It doesn't look like we'll have a lot of rain, but there could be periods of showers," he said about the murky mid-week period.

Is there a drought on Cape Cod?

Any rain will be welcome, as Barnstable County is now in the "Severe Drought" category, according to the National Integrated Drought Information System. Perhaps the only slight silver lining to that parched designation is that certain mosquito populations have less wet territory to reproduce in, according to Gabrielle Sakolsky, superintendent of the Cape Cod Mosquito Control Project.

"The swamps are dry," she said.

Drought Monitor: Current Status - Map of Massachusetts

On the bright side, the upcoming weekend looks fantastic, with nighttime temperatures dipping into the mid-60s. But the hot weather may not be over. According to the National Weather Service Climate Prediction Center, temperatures on Cape Cod look to be above normal for the rest of the month.

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Cape Cod weather forecast for the week of Aug. 8

Here is the Hyannis forecast from the National Weather Service:

Tuesday: A slight chance of showers after 1 p.m. Patchy fog before 9 a.m. Otherwise, partly sunny, with a high near 88. Southwest wind around 18 mph. Chance of precipitation is 20%.

Tuesday night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind 5 to 11 mph becoming northwest after midnight. The chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

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Wednesday: A chance of showers. Partly sunny, with a high near 80. Northeast wind around 8 mph. The chance of precipitation is 30%.

Wednesday night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9 p.m. Low around 71. Light northeast wind. The chance of precipitation is 90%.

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Thursday: Showers and possibly a thunderstorm before 2 p.m., then showers likely. High near 75. East wind around 6 mph. The chance of precipitation is 90%.

Thursday night: A chance of showers before 11 p.m. Mostly cloudy, with a low around 67. Calm wind. The chance of precipitation is 50%.

Friday: Partly sunny, with a high near 81. North wind 6 to 10 mph.

Friday night: Mostly cloudy, with a low around 66. North wind 5 to 7 mph.

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Saturday: Mostly sunny, with a high near 79. North wind 10 to 13 mph.

Saturday night: Partly cloudy, with a low around 65. West wind 5 to 7 mph.

Sunday: Sunny, with a high near 81. Northwest wind around 10 mph becoming southwest in the morning.

Current Weather Advisories for Barnstable County

If the advisory is blank there are no current warnings for Cape Cod. 

If you can't see any local weather warnings here, you'll need to open this story in a web browser.

Contact Eric Williams at ewilliams@capecodtimes.com. Follow him on Twitter: @capecast.

This article originally appeared on Cape Cod Times: Cape Cod weather: When will high temperatures break at the beach?