Westmont, IL Weather Forecast
DuPage County, Illinois
Live radar, warnings and storm tracking for Westmont, with free alerts the moment it counts.
The next few hours
Dry for the moment, with sleet moving in this morning
It is 45°, but the wind is taking it down to 43° on exposed skin. The sky is partly cloudy.
The first sleet arrives between 8 AM and 9 AM. That leaves a usable window outdoors until about 8 AM, and it closes quickly after that.
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
One wet spell, dry either side of it
Wet weather moves in around 8 AM. Total accumulation over the window comes to about 0.05 in.
The overnight low settles near 39°. Tomorrow tops out near 46°.
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
31–57°F across the weekThe week runs between 31° and 50°, with Tuesday the warmest day of it. There is no real trend across it: one day looks much like the next. Friday is the wettest day, peaking near 71%. 6 of the 7 days stay dry.
Free alerts for Westmont
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Westmont, IL at a glance
Westmont is home to about 23,933 people in DuPage County, across 5 square miles. It ranks 94th by population of 441 places in Illinois with a forecast here. The nearest neighbour with its own forecast is Clarendon Hills, 1 miles away.
- County
- DuPage County
- Population
- 23,933 2023 est.
- Land area
- 5 sq mi
- People per sq mi
- 4,772
- Forecast point
- 41.7944°N, 87.9729°W
How well can the network see Westmont?
The nearest Doppler radar is KLOT (Chicago, IL), to the SSW. Its lowest scan passes about 760 ft above Westmont. That is about as close as US radar coverage gets: low-level rotation and gust fronts over Westmont show up clearly. Westmont is closer to its radar than 92% of US cities.
The closest weather station is KMDW (Chicago/Midway Intl). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Westmont
- Clarendon Hills, IL1 mi
- Hinsdale, IL2 mi
- Willowbrook, IL2 mi
- Downers Grove, IL2 mi
- Oak Brook, IL3 mi
- Darien, IL3 mi
- Western Springs, IL4 mi
- Oakbrook Terrace, IL4 mi
Elsewhere in Illinois
ChicagoAuroraJolietNapervilleRockfordElginAll Illinois forecasts →

