Are Drivers in Illinois Liable for Car Accidents in Bad Weather? 

 Posted on April 11, 2026 in Car Accidents

Snow, ice, heavy rain, and fog are facts of life in Illinois. Inclement weather can cause roads to become slick and visibility to drop, leading to car or truck accidents. If you were in an accident that was caused or worsened by bad weather, you might be wondering if you can recover damages. The answer is that, yes, depending on the circumstances.

If you've been hurt in a weather-related crash in 2026, a Chicago car accident attorney can help you understand the liability of all parties.

Does Bad Weather Excuse Drivers Who Get in Accidents in Illinois?

Bad weather alone doesn't let a driver off the hook for causing an accident. Illinois law requires all drivers to operate their vehicles with reasonable care under the current circumstances. This means that behaviors must be adjusted to whatever conditions are happening at the time. A good example of this is reducing speed when visibility or road conditions become bad, regardless of how high the posted speed limit is.

Adjusting speed to fit the circumstances is actually codified into Illinois law. Under 625 ILCS 5/11-601, Illinois drivers are required to drive at a speed that is reasonable and proper for the conditions. That means when roads are icy, wet, or visibility is reduced, drivers are legally expected to slow down, increase their following distance, and drive defensively. Any driver who fails to do so and causes a crash can still be found negligent.

A driver who rear-ends someone on an icy highway might argue that the road conditions caused the accident. However, if they were following too closely, driving too fast for those conditions, or not paying attention, the weather becomes merely a factor, not an excuse.

Determining Negligence in Weather-Induced Car Wrecks in Illinois

"Negligence" means a driver failed to act with the care that a reasonable person would have used in the same situation. In bad weather, reasonable care means paying enough attention to your surroundings that you can respond appropriately and in enough time to prevent accidents.

In addition to following too closely or failing to adjust speed, some common signs of weather-related negligence include:

• Failing to clear snow or ice from windows, mirrors, or lights before driving
• Driving on bald or worn tires that can't handle wet or icy roads
• Failing to turn on headlights in heavy rain, fog, or snow
• Driving with distractions, such as texting or eating while driving

Any one of these behaviors, if proven, can support a negligence claim.

Can Multiple Drivers Share Fault in a Weather-Related Car Accident in Illinois?

More than one driver can be at fault in weather-induced accidents, and it’s actually often true of bad weather cases.

Strong evidence can make a significant difference in how fault is determined. Useful evidence includes:

• Police reports documenting road and weather conditions at the time of the crash
• Photos or video from the scene, including road surface and visibility
• Witness statements from other drivers or bystanders
• Traffic or security camera footage
• Weather records from the date and time of the accident
• Vehicle data, such as speed recorded before impact
• Cell phone records if distracted driving is suspected

The sooner this evidence is gathered, the better. Some of it – like surveillance footage – can be lost quickly.

Can I Still Recover Compensation If I Was Partly at Fault in a Weather-Related Car Wreck?

Illinois follows a legal rule called modified comparative fault. Under this rule, you can still recover compensation even if you were partially responsible for the accident, as long as you were not more than 50 percent at fault. However, your compensation is reduced by your percentage of fault.

This is one reason why having strong legal representation matters after a weather-related crash. The other driver's insurance company will often try to shift blame onto the weather or onto you. An attorney can help counter these arguments or bring in other people, like accident reconstruction experts, to explain how the accident occurred. If there’s even a chance the law will find you more than 50 percent at fault, this kind of support may be a make-or-break in recovering compensation for your case.

Call Our Chicago, IL Car Accident Attorneys Today

If you were hurt in a bad weather accident, don't assume that courts will write you off because of weather interference. At Winters Salzetta O'Brien & Richardson, LLC, we have recovered millions for clients across Illinois, and we're ready to fight for the compensation you deserve. Call 312-236-6324 today for a free consultation with our Chicago car accident lawyers.