LaSalle, Illinois Weather
LaSalle, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, soil and crop conditions for LaSalle, LaSalle County.
Flight conditions near LaSalle. Data source: locating…
Soil conditions, frost risk and crop weather for LaSalle.
About LaSalle, Illinois
LaSalle unfolds along the Illinois River, a place where the broad, slow-moving water dictates much of the town's character. It lies 34.9 miles west-south-west of Oswego, IL (from Oswego, IL: bearing 241°T), and is situated 8.1 miles north-west of Ottawa. The land here is not dramatically hilly, but a gentle, persistent swell rises from the riverbanks, giving the impression of a vast, cultivated plain stretching towards horizons that often seem to meet the sky in a soft, hazy line. Mature trees, their branches reaching like weathered arms, line the streets and parks, offering shade in the summer and a stark, beautiful geometry against the winter sky. Even on a blustery day, there's a quiet resilience in the air, a sense of enduring presence that mirrors the enduring flow of the river itself. The light, especially in the late afternoon, tends to pool in warm, golden shafts across the fields and streetscapes, lending a painterly quality to the everyday. The history of LaSalle is deeply tied to the river and the Illinois and Michigan Canal, a vital artery that once connected the Great Lakes to the Mississippi River, shaping the town into a significant transportation and trade hub. This legacy is still palpable, a quiet echo of the bustling commerce that once flowed through its docks. While the prominence of canal traffic has waned, LaSalle’s economy now draws strength from a diverse industrial base and the surrounding fertile agricultural lands, where corn and soybeans grow in abundance under that expansive sky. A notable landmark, the historic LaSalle City Hall, stands as a proud reminder of its past grandeur, its architecture speaking of a time when LaSalle was a gateway to the American West, a place where dreams of commerce and opportunity were as vast as the prairies themselves.
Live animated radar for LaSalle and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | LaSalle, LaSalle County, Illinois |
| Coordinates | 41.436399°N, 88.941387°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 61373, 61301 |
| Area Code | 815 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This LaSalle, Illinois Weather Page
This page provides live weather conditions and forecasts for LaSalle, Illinois, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for LaSalle includes coordinates 41.436399°N, 88.941387°W, situated in LaSalle County. ZIP code 61373, 61301. Telephone area code: 815. Timezone: Central Time (America/Chicago).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
