Seneca, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Seneca, IL in one place.
Showers and thunderstorms likely. Partly sunny, with a high near 83.
Local Weather Overview
This forecast page for Seneca, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 9, 2026 5:18 PM CDT.
The active forecast window currently covers Apr 14 to Apr 15, 2026 for Seneca, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 14 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 5:18 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Seneca
Tuesday looks like the warmest upcoming period in Seneca at 83 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Tuesday at about 15 to 20 mph SSW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 5:18 PM CDT
- Coverage
- 2 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely. Mostly cloudy, with a low around 62.
Showers and thunderstorms likely. Partly sunny, with a high near 76.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Apr 14
|
Showers And Thunderstorms Likely
|
83°F |
15 to 20 mph
SSW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms Likely
|
62°F |
15 mph
SSW
|
|
Wednesday
Apr 15
|
Showers And Thunderstorms Likely
|
76°F |
15 to 20 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
52°F |
10 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Seneca.
