Rain, Snow, Ice, and Fog: Adjusting Your Driving for Every Weather Condition

As soon as rain begins — especially in the first 15–30 minutes — road oils rise to the surface and create slicker-than-expected conditions. Reduce your speed by at least 5–10 mph below the posted limit and increase your following distance from the standard 3 seconds to a minimum of 5–6 seconds. If your wipers can't keep up with rainfall or you can't see clearly, the safest action is to exit the road and wait.

To prevent hydroplaning (when tires ride on a film of water rather than gripping the road), avoid standing water, steer gently, and do not use cruise control. If you feel your car begin to hydroplane, ease off the accelerator smoothly — do not brake hard — and steer straight until grip returns.

Packed snow reduces traction dramatically. Cut your speed significantly — many safety experts suggest driving at roughly half the posted speed limit in moderate snow. Accelerate gradually, brake gently and early, and steer with smooth, deliberate movements. Abrupt inputs in any direction can cause a skid.

Give yourself far more stopping distance than you think you need. On snowy roads, stopping distances can be two to three times longer than on dry pavement. Slow down well before intersections, turns, and hills. When approaching a hill, maintain steady momentum on the way up — stopping partway and restarting on a snowy incline is far harder.

Ice — particularly "black ice," which is nearly invisible — is the most hazardous road condition most drivers will encounter. Stopping distances on ice can be up to ten times longer than on dry pavement. Drive well below the speed limit, accelerate and brake with extreme gentleness, and treat all shaded areas, bridges, and overpasses as likely ice zones even when the rest of the road appears clear.

If you begin to skid, resist the instinct to brake hard. For a rear-wheel skid (fishtail), ease off the gas and steer gently in the direction the rear of the car is sliding. For a front-wheel skid, ease off the accelerator and allow the wheels to regain grip before steering. Practice knowing which type of skid your vehicle is more prone to based on its drivetrain.

In fog, switch on your low-beam headlights — never high beams. High beams reflect off fog particles and actually reduce how far you can see. If your vehicle has dedicated rear fog lights, use them so drivers behind you can see your position. Reduce speed so you can stop within the distance you can actually see — this is sometimes called driving within your headlights.

Increase following distance substantially, and use the road's edge markings (rather than centerline) as a visual guide to reduce the risk of drifting into oncoming traffic. Crack your window slightly in very dense fog — you may be able to hear approaching vehicles before you can see them.

Weather rarely arrives in neat categories. A winter storm may bring rain that turns to sleet, then snow, then freezing fog. As conditions shift, reassess your speed, following distance, and light settings. Don't assume conditions that were manageable five miles back are the same ahead — temperature, elevation, and shade exposure can change road surfaces quickly.

If at any point conditions exceed what you can safely manage, prioritize pulling off the road safely over reaching your destination. No trip is worth a loss of vehicle control.