Weather for Seneca, Illinois
Current Weather
Humidity: 99%
Feels Like: 23.1°F
Wind: ESE 2.5 mph
Wind Gusts: 3.7 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 2 mi
UV Index: 0
Five Day Weather Forecast
Mon
H: 30°F
L: 8°F
Tue
H: 26°F
L: 21°F
Wed
H: 35°F
L: 23°F
Thu
H: 13°F
L: -9°F
Fri
H: 22°F
L: -10°F
Air Quality
Nitrogen Dioxide: 21.75 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 44 μg/m3
Astronomical
Sun Transit: 11:43 AM
Sunset: 4:26 PM
Daylight: 9 hrs 25 mins
Moon Transit: 8:55 PM
Moonset: 2:53 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 87.1%
Best Times for Fishing or Hunting
Major Periods
8:10 AM - 10:40 AM8:25 PM - 10:55 PM
Minor Periods
1:25 PM - 2:55 PM2:23 AM - 3:53 AM
Action Rating: 2 out of 5
Winter Weather Advisory issued December 1 at 11:03AM CST until December 2 at 12:00AM CST by NWS Chicago IL
Effective: Mon December 1, 2025, 11:03 AM
Expires: Mon December 1, 2025, 9:15 PM
* WHAT...Snow and winter driving conditions expected. Total snow accumulations between 1 and 4 inches, with the highest amounts generally near and south of the Kankakee River. * WHERE...Portions of central, east central, north central, and northeast Illinois. * WHEN...From 2 PM this afternoon to midnight CST tonight. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will likely impact the evening commute today.
Slow down and use caution while traveling. The latest road conditions for Illinois can be obtained at www.gettingaroundillinois.com.
Winter Weather Advisory issued December 1 at 2:25AM CST until December 2 at 12:00AM CST by NWS Quad Cities IA IL
Effective: Mon December 1, 2025, 2:25 AM
Expires: Mon December 1, 2025, 3:00 PM
* WHAT...Snow expected. Total snow accumulations between 2 and 4 inches. * WHERE...Portions of north central, northwest, and west central Illinois and east central Iowa. * WHEN...From noon today to midnight CST tonight. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Monday afternoon and evening commute.
Slow down and use caution while traveling. In Iowa, the latest road conditions are available at 511ia.org or by calling 511. In Illinois, the latest road conditions are available at gettingaroundillinois.com.
Winter Weather Advisory issued December 1 at 9:40AM CST until December 2 at 12:00AM CST by NWS Quad Cities IA IL
Effective: Mon December 1, 2025, 9:40 AM
Expires: Mon December 1, 2025, 5:45 PM
* WHAT...Snow expected. Total snow accumulations of 2 to 4 inches. * WHERE...Portions of north central, northwest, and west central Illinois and east central Iowa. * WHEN...Until midnight CST tonight. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Monday evening commute.
Slow down and use caution while traveling. In Iowa, the latest road conditions are available at 511ia.org or by calling 511. In Illinois, the latest road conditions are available at gettingaroundillinois.com.
Weather Forecast
Average Temperature: 18.3°F
Average Humidity: 90%
Wind: 4.7 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 17.73 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 55.04 μg/m3
Astronomical
Sun Transit: 11:43 AM
Sunset: 4:26 PM
Daylight: 9 hrs 25 mins
Moon Transit: 8:55 PM
Moonset: 2:53 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 87.1%
Best Times for Fishing or Hunting
Major Periods
8:10 AM - 10:40 AM8:25 PM - 10:55 PM
Minor Periods
1:25 PM - 2:55 PM2:23 AM - 3:53 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 24.9°F
Average Humidity: 92%
Wind: 7.8 mph
UV Index: 0.4
Air Quality
Nitrogen Dioxide: 12.23 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 61.2 μg/m3
Astronomical
Sun Transit: 11:44 AM
Sunset: 4:26 PM
Daylight: 9 hrs 24 mins
Moon Transit: 9:51 PM
Moonset: 4:11 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.7%
Best Times for Fishing or Hunting
Major Periods
9:04 AM - 11:34 AM9:21 PM - 11:51 PM
Minor Periods
1:55 PM - 3:25 PM3:41 AM - 5:11 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 27.9°F
Average Humidity: 90%
Wind: 14.3 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 9.29 μg/m3
Sulphur Dioxide: 1.88 μg/m3
Ozone: 65.68 μg/m3
Astronomical
Sun Transit: 11:44 AM
Sunset: 4:26 PM
Daylight: 9 hrs 23 mins
Moon Transit: 10:53 PM
Moonset: 5:34 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.1%
Best Times for Fishing or Hunting
Major Periods
10:03 AM - 12:33 AM12:00 AM - 12:00 AM
Minor Periods
2:33 PM - 4:03 PM5:04 AM - 6:34 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 6.7°F
Average Humidity: 92%
Wind: 11.6 mph
UV Index: 0.4
Air Quality
Nitrogen Dioxide: 9.13 μg/m3
Sulphur Dioxide: 1.58 μg/m3
Ozone: 64.8 μg/m3
Astronomical
Sun Transit: 11:44 AM
Sunset: 4:26 PM
Daylight: 9 hrs 21 mins
Moon Transit: 12:00 AM
Moonset: 6:57 AM
Moon Phase: Full
Moon Illumination: 99.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:08 AM - 1:38 PM
Minor Periods
3:22 PM - 4:52 PM6:27 AM - 7:57 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 1.8°F
Average Humidity: 97%
Wind: 7.2 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 22.08 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 48.92 μg/m3
Astronomical
Sun Transit: 11:45 AM
Sunset: 4:25 PM
Daylight: 9 hrs 20 mins
Moon Transit: 12:00 AM
Moonset: 8:14 AM
Moon Phase: Full
Moon Illumination: 99.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:15 AM - 2:45 PM
Minor Periods
4:24 PM - 5:54 PM7:44 AM - 9:14 AM
Action Rating: 4 out of 5