Another hot summer day is on tap for the St. Lawrence Valley as we see high temperatures climb into the mid 80s to lower 90s, according to the National Weather Service (NWS).

Our afternoon dewpoints today will be in the lower to mid 60s which will yield heat indexes ranging from 90 to 95 degrees, forecasters say.

Monday isn`t looking as hot as today but will still be hot and humid as we see our dewpoints creep upwards to the lower 70s, the service says. The heat index on Monday could exceed 95 degrees, but cloud cover may limit our overall heating.

A cold front will swing through later in the day on Monday and bring cooler and near normal temperatures through the remainder of the week, NWS says.

The forecast through next Saturday is as follows:

Monday

A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 86. Heat index values as high as 93. Southwest wind 8 to 14 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

A chance of showers and thunderstorms, then showers likely after 3am. Mostly cloudy, with a low around 70. Southwest wind 7 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

A 30 percent chance of showers before noon. Mostly sunny, with a high near 84. Southwest wind 11 to 14 mph. New precipitation amounts of less than a tenth of an inch possible.

Tuesday Night

Partly cloudy, with a low around 64. Southwest wind 6 to 10 mph.

Wednesday

A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 81. Southwest wind 9 to 14 mph.

Wednesday Night

A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 62. Southwest wind 6 to 9 mph.

Thursday

A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 79. West wind around 8 mph.

Thursday Night

A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 59. Southwest wind 3 to 5 mph.

Friday

Sunny, with a high near 80. Light and variable wind becoming northwest 5 to 8 mph in the morning.

Friday Night

Mostly clear, with a low around 61. Calm wind becoming southwest around 6 mph after midnight.

Saturday

Sunny, with a high near 83. Southwest wind 5 to 7 mph.