CHAMPAIGN, IL (CHAMBANA TODAY) – The heat wave continues Friday and Saturday, but as the rain rolls in on Sunday, temperatures drop. Heavy rain expected throughout Sunday.

Champaign forecast

Here’s the day-by-day outlook:

Today: Isolated showers and thunderstorms after 3pm. Partly sunny, with a high near 88. Southwest wind 8 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

Tonight: Partly cloudy, with a low around 64. Light and variable wind becoming north northwest around 5 mph.
Saturday: Mostly sunny, with a high near 91. Light and variable wind becoming south 5 to 7 mph in the morning.
Saturday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. South wind around 5 mph.
Sunday: Showers, with thunderstorms also possible after 10am. High near 77. West southwest wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. North northwest wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.