Areas of smoke and haze across metro Denver on Friday are forecast ahead of potential rain showers and thunderstorms in the afternoon. An air quality alert is in effect until 4 p.m. for Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld counties.

Denver residents can expect a 30% chance of showers and thunderstorms, mainly between 3 and 5 p.m., according to the National Weather Service in Boulder. It’ll be mostly sunny, with a high near 90. South winds between 6 to 10 mph become north in the morning. Winds could gust as high as 16 mph.

Tonight there is a 20% chance of showers and thunderstorms before 8 p.m. Areas of smoke will linger through the night. It’ll be mostly cloudy, then gradually becoming mostly clear, with a low around 60. South southwest winds between 7 to 10 mph will blow, with gusts as high as 16 mph.

Saturday and Sunday’s weather around the city looks seasonal as high temperatures move back into the low 90s.

Next week Denver and metro area residents will be part of a new heat wave, however, as monsoonal flow is cut off. Starting Monday, highs all week will be in the middle to upper 90s with little to no chance of rain showers until Thursday.

Here’s the 4-day forecast from the National Weather Service.

Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. South southwest wind 6 to 9 mph becoming north northeast in the afternoon. Winds could gust as high as 15 mph.

Sunday: Mostly sunny, with a high near 89. West southwest wind 7 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 18 mph.

Monday: Sunny, with a high near 95.

Tuesday: Mostly sunny and hot, with a high near 97.