Another wave of showers will arrive before 11am Saturday morning, and then there will be a brief window of possible thunderstorms between 11am and 2pm. Rain may then continue throughout the rest of the day, with the chance continuing through Saturday night before moving out on Sunday.

However, heat will be widespread over the next few days. Temperatures of around 35 degrees and a heat index of 40 degrees are forecast for Friday and Saturday.

Here is the full forecast:

Friday
A slight chance of rain and thunderstorms after 2 p.m. Partly sunny, a high around 94. Heat index values ​​as high as 103. Southwest wind 5 to 10 mph. A 20 percent chance of precipitation.

Friday night
Chance of rain and thunderstorms, especially between 9pm and 4am. Mostly cloudy, minimum temperature around 25°C. South wind around 8km/h. Chance of precipitation 40%. Nine precipitation amounts of less than 0.25mm, but higher amounts are possible in thunderstorms.

Saturday
A chance of showers before 11 a.m., a chance of showers and thunderstorms between 11 a.m. and 2 p.m., then showers are likely and possibly a thunderstorm after 2 p.m. Partly sunny, with a high of 94. Heat index values ​​as high as 103. Southwest wind 5 to 10 mph. A 60 percent chance of precipitation. Nine precipitation amounts between a tenth and a quarter of an inch, with higher amounts possible except in thunderstorms.

Saturday night
Showers are likely before 8pm and possibly a thunderstorm, after 8pm there is a chance of showers and thunderstorms. Mostly cloudy, low around 24°C. South wind around 8km/h, easing in the evening. Chance of precipitation 60%. Nine precipitation amounts between 0.25 and 0.35mm, but higher amounts are possible in thunderstorms.

Sunday
Partly sunny, with a high around 92. Calm wind turning to the west about 5 mph in the afternoon.

Sunday night
Mostly cloudy, low around 74.

Monday
Partly sunny, high around 93.

Monday night
Mostly cloudy, low around 73.

Tuesday
After 2 p.m. there is a chance of showers and thunderstorms. Partly sunny, high around 91. The chance of precipitation is 40 percent.

Tuesday night
There is a chance of showers and thunderstorms. Mostly cloudy, low around 73. Chance of precipitation is 50 percent.

Wednesday
There is a chance of showers and thunderstorms. Mostly cloudy, high temperature around 32°C. The probability of precipitation is 40%.

Wednesday night
There is a chance of showers and thunderstorms. Mostly cloudy, low around 73. Chance of precipitation is 40 percent.

Thursday
Chance of rain. Partly sunny, high temperature around 30°C. Chance of precipitation 40%.