LaSalle, Illinois Weather
LaSalle, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for LaSalle, LaSalle County.
Full aviation weather for LaSalle is published on the Cushing Field Ltd Airport (K0C8) page, 30 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 6 airfields within reach of LaSalle have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near LaSalle: Hinckley Airport (K0C2) 42 km · Morris Municipal Airport James R. Washburn field (KC09) 44 km · Dwight Airport (KDTG) 54 km · Aurora Municipal Airport (KARR) 54 km · DeKalb Taylor Municipal Airport (KDKB) 59 km
Conditions reported at K0C8 describe the airfield itself. Weather 30 km away can differ, particularly in terrain or near the coast. For conditions at LaSalle specifically, see the current conditions and forecast above.
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 | September 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, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. 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. 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.
