Officers responded to eight accidents with injuries, 84 without and 15 incidents where a driver slid off a road between 5 a.m. Friday and 5 a.m. Saturday, according to the Ada County Sheriff's Office.
Three separate incidents took place Friday evening on Bogus Basin Road. One vehicle rolled and there were two chain-reaction wrecks involved about a dozen vehicles each. Only two people suffered minor injuries and they were treated and released, the sheriff's office said.
The southbound lane was closed down for a time just before 10 p.m. because of the crashes.
In addition to the crash calls between the 24-hour period between Friday and Saturday morning, police responded to 31 calls from drivers who got stuck or needed other assistance.
The National Weather Service issued a warning saying that freezing rain could strike Nampa, Caldwell and Ontario on Saturday afternoon.
The Boise area is not expected to receive any freezing rain, the weather service said.
Just before 3 p.m., it was 33 degrees in Boise.
The overnight low is expected to hover right around freezing, with Sunday's high to reach 40 degrees with a chance of rain. There's a chance of rain or snow overnight Sunday as the low will drop to about 31 degrees.
Daytime highs will stay near 40 degrees through Wednesday, the weather service said.