If you’re stepping out in Orland Park today, Sunday, January 18, 2026, you’ve probably already felt that bite in the air. It’s cold. Honestly, "cold" might be an understatement when the thermometer is hovering at 9°F but it actually feels like -5°F thanks to that southwest wind.
Most people just glance at their phone, see a cloud icon, and head to Centennial Park or the mall. But the weather Orland Park hourly situation is a bit more nuanced than a single icon can show.
We’re looking at a day defined by mostly cloudy skies and a lingering 10% chance of snow right now. This isn't the "big one" that shuts down La Grange Road, but it's enough to keep the salt trucks on standby.
The Reality of the Weather Orland Park Hourly Forecast
The morning started off brutal. Currently, at 6:20 AM, we are sitting in the single digits.
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Humidity is high at 76%, which makes that 9 mph wind feel even more damp and piercing. If you’re walking the dog, those southwest gusts are the real enemy here.
What to Expect for the Rest of Sunday
The day isn't going to "warm up" in the traditional sense. While we might hit a high of 19°F, it’s still well below the historical January average of 32°F.
- Precipitation: The chance of snow showers bumps up to 20% during the day and hits 35% tonight.
- Wind: Expect it to pick up slightly to 11 mph.
- Visibility: Mostly cloudy, with a UV index of 0. Basically, don't worry about sunglasses.
It’s a classic Chicagoland winter "slump" day. You know the type. The sky is the color of a dirty sidewalk, and the air feels like it’s made of needles.
Why the Orland Park Micro-Climate Matters
A lot of people think Orland Park weather is identical to Chicago’s. It’s not. We’re far enough inland from Lake Michigan that we don't always get the "lake effect" warmth in the winter, but we definitely get the wind.
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Historically, January is our coldest month. Average lows usually stay around 17°F or 19°F. Tonight, we’re blowing right past that. We are forecasting a low of 1°F.
That’s a significant drop.
When the temperature hits 1°F with any kind of wind, we’re moving into the territory where exposed skin can start to suffer. If you’re planning on being out near the Orland Grassland, remember that the open space there offers zero windbreak.
Snow or Just "Flurries"?
The forecast calls for snow showers. In local speak, that usually means visibility will drop suddenly for twenty minutes, and then it’ll just be gray again. With a 35% chance tonight, the accumulation won't be massive, but with a low of 1°F, whatever falls is going to freeze instantly.
Black ice on 159th Street is a very real possibility.
Staying Ahead of the Freeze
Living here requires a certain level of tactical dressing. Since the weather Orland Park hourly shows a 10-degree swing between the morning and the afternoon high, layering is the only way to survive.
- The Base Layer: Wicking material. Avoid cotton if you're doing anything active; it just holds the cold moisture.
- The Mid Layer: Fleece or wool. You want to trap that body heat.
- The Shell: You need a windbreaker. That 11 mph wind doesn't sound like much until it's -5°F effective.
Honestly, just stay inside if you can. It’s a great day for a movie at Marcus or just staying home.
Actionable Next Steps for Orland Park Residents
Don't let the "mostly cloudy" label fool you into thinking it's a mild day.
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- Check your tires: Cold snaps like this cause pressure to drop. If your "low tire" light is on, it's not a glitch; it's the 1°F forecast.
- Pet Safety: If it’s too cold for you to stand outside in a t-shirt for five minutes, it’s too cold for your dog’s paws on the frozen pavement.
- Drive for the Night: With a 35% chance of snow tonight and a plummeting temperature, any moisture on the roads will turn to ice by sunset.
Stay warm, Orland Park. It’s going to be a long night.