LaSalle, IL Weather Forecast
LaSalle County, Illinois
Live radar, warnings and storm tracking for LaSalle, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
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
Free alerts for LaSalle
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
LaSalle, IL at a glance
LaSalle is home to about 9,432 people in LaSalle County, across 13 square miles. It ranks 228th by population of 441 places in Illinois with a forecast here. The nearest neighbour with its own forecast is Peru, 2 miles away.
- County
- LaSalle County
- Population
- 9,432 2023 est.
- Land area
- 13 sq mi
- People per sq mi
- 701
- Forecast point
- 41.3352°N, 89.0972°W
How well can the network see LaSalle?
The nearest Doppler radar is KLOT (Chicago, IL), to the ENE. Its lowest scan passes about 4,100 ft above LaSalle. The beam is above the lowest few thousand feet here, so a warning for LaSalle can come before anything looks dramatic on radar.
The closest weather station is KVYS (Peru/Illinois Valley Rgnl). Close enough that its readings are the conditions in town.
Forecasts near LaSalle
- Peru, IL2 mi
- Oglesby, IL3 mi
- Spring Valley, IL5 mi
- Ottawa, IL14 mi
- Mendota, IL15 mi
- Princeton, IL19 mi
- Streator, IL20 mi
- Marseilles, IL22 mi
Elsewhere in Illinois
ChicagoAuroraJolietNapervilleRockfordElginAll Illinois forecasts →