Mendota, Illinois Weather
Mendota, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for Mendota, LaSalle County.
Flight conditions near Mendota. Data source: locating…
About Mendota, Illinois
Mendota rests on a broad, fertile plain, where the horizon stretches wide and the sky seems to press down with a gentle, insistent weight. It lies 32.5 miles south-west of DeKalb, IL (from DeKalb, IL: bearing 216°T), and is situated 8.5 miles east of La Moille. The land here is a study in muted greens and ochres, rolling with a subtle generosity that has shaped the lives of those who have called Mendota home. Fields of corn and soybeans unfurl like vast, textured carpets, their rows marching with an ancient, agricultural discipline under the immense prairie sky. The air, especially at dawn, carries a crisp, clean scent of dew-kissed earth and distant, awakening life, a quiet promise whispered across the open country. The history of Mendota is deeply entwined with the railroads that once thrummed through its heart, a vital artery that brought commerce and connection to this prairie crossroads. Its founding was spurred by this burgeoning transportation network, and for generations, the local economy thrived on the grain trade and the sturdy labor of those who worked the land and the rails. Today, Mendota retains a steadfast connection to its agricultural roots, the rhythm of planting and harvest still dictating much of the year's tempo. You can feel the echoes of that industrious past in the solid, unpretentious architecture and the quiet diligence of its residents, a community that has learned to draw strength from the enduring, open landscape.
Live animated radar for Mendota 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 | Mendota, LaSalle County, Illinois |
| Coordinates | 41.547255°N, 89.117585°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 61342 |
| Area Code | 815 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Mendota, Illinois Weather Page
This page provides live weather conditions and forecasts for Mendota, 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 Mendota includes coordinates 41.547255°N, 89.117585°W, situated in LaSalle County. ZIP code 61342. 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.
