Tonica, Illinois Weather
Tonica, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Tonica, LaSalle County.
Full aviation weather for Tonica is published on the Illinois Valley Regional Airport Walter A Duncan Field (KVYS) page, 17 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 Tonica 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 Tonica: Marshall County Airport (KC75) 35 km · Pontiac Municipal Airport (KPNT) 49 km · Cushing Field Ltd Airport (K0C8) 51 km · Dwight Airport (KDTG) 53 km · Morris Municipal Airport James R. Washburn field (KC09) 59 km
Conditions reported at KVYS describe the airfield itself. Weather 17 km away can differ, particularly in terrain or near the coast. For conditions at Tonica specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Tonica.
About Tonica, Illinois
Tonica lies in the embrace of LaSalle County, where the land rolls with a quiet dignity, a broad, open canvas under the vast Illinois sky. It lies 45.2 miles north-east of Peoria, IL (from Peoria, IL: bearing 37°T), and is situated 8.4 miles south-south-east of Peru. The fields here, stretching to horizons that seem to hold the very breath of the prairie, are a testament to the earth's generous, fertile spirit, turning from the deep, dark loam of spring to the sun-baked gold of late summer. The air, especially in the hushed hours of dusk, carries a scent of ripening corn and distant, damp earth, a fragrance that settles deep in the lungs. The character of Tonica is one of stoic resilience, a quiet strength that mirrors the steadfastness of the oak trees that dot the landscape, their gnarled branches reaching like ancient sentinels. The history of Tonica is deeply entwined with the agricultural heart of Illinois, its economy long anchored by the bounty of the surrounding farmland, a tradition that continues to shape the rhythm of its days. Generations have worked this soil, coaxing sustenance from its depths, and that connection to the land is palpable in the very way life unfolds here, unhurried and grounded. While not marked by grand monuments, Tonica possesses a distinctive charm in its unpretentious simplicity, in the way the afternoon sun casts long, golden shadows across the quiet streets, illuminating the weathered facades of buildings that have witnessed the slow passage of time. The legacy of farming is not merely an economic driver but a cultural cornerstone, a shared experience that binds the people of Tonica together.
Live animated radar for Tonica 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 | Tonica, LaSalle County, Illinois |
| Coordinates | 41.215868°N, 89.066749°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 61370 |
| Area Code | 815 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Tonica, Illinois Weather Page
This page provides live weather conditions and forecasts for Tonica, 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 Tonica includes coordinates 41.215868°N, 89.066749°W, situated in LaSalle County. ZIP code 61370. 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.
