This Weekend: 100-Degree Heat, Heavy Downpours, 'Gusty' Thunderstorms In Bucks County

The National Weather Service says the region could have it’s hottest day of the year on Sunday - following a strong thunderstorm with gusty winds.

The NWS has issued a Hazardous Weather Outlook for the region, saying heavy downpours will arrive on Saturday and Monday, but Sunday will have a 100-degree heat index.

The unstable atmosphere could produce more than one storm per day, and some communities could be hit with flash flooding as well as lightning strikes and strong wind gusts, according to accuweather.com.

Here is the forecast:

Friday night: A slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 68. South wind 7 to 9 mph. Chance of precipitation is 20%.

Saturday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 88. South wind 6 to 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southwest wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93. Light and variable wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 20%.