Weather for Wilmington, Illinois
Current Weather
Five Day Weather Forecast
Mon
H: 102°F
L: 75°F
Tue
H: 84°F
L: 64°F
Wed
H: 83°F
L: 62°F
Thu
H: 82°F
L: 60°F
Fri
H: 72°F
L: 66°F
Air Quality
Nitrogen Dioxide: 12.7 μg/m3
Sulphur Dioxide: 1.4 μg/m3
Ozone: 48 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:15 PM
Daylight: 14 hrs 32 mins
Moon Transit: 11:55 PM
Moonset: 3:26 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%
Best Times for Fishing or Hunting
Major Periods
11:15 AM - 1:45 PM12:00 AM - 12:00 AM
Minor Periods
6:58 PM - 8:28 PM2:56 AM - 4:26 AM
Action Rating: 3 out of 5
Extreme Heat Warning issued July 27 at 3:02AM CDT until July 27 at 9:00PM CDT by NWS Chicago IL
Effective: Mon July 27, 2026, 3:02 AM
Expires: Mon July 27, 2026, 1:15 PM
* WHAT...Dangerously hot conditions with peak heat index values 110 to locally over 115 degrees expected. * WHERE...Ford County. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Extreme Heat Warning issued July 27 at 5:48AM CDT until July 27 at 9:00PM CDT by NWS Chicago IL
Effective: Mon July 27, 2026, 5:48 AM
Expires: Mon July 27, 2026, 4:00 PM
* WHAT...Dangerously hot conditions with peak heat index values 110 to locally over 115 degrees expected. * WHERE...Ford County. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Heat Advisory issued July 27 at 5:48AM CDT until July 27 at 9:00PM CDT by NWS Chicago IL
Effective: Mon July 27, 2026, 5:48 AM
Expires: Mon July 27, 2026, 4:00 PM
* WHAT...For the Heat Advisory, peak heat index values up to 100 to 110 degrees expected. For the Dense Fog Advisory, visibility less than one quarter mile in dense fog. * WHERE...Benton, Jasper, Lake IN, and Newton Counties. * WHEN...For the Dense Fog Advisory, until 8 AM CDT /9 AM EDT/ this morning. For the Heat Advisory, until 9 PM CDT /10 PM EDT/ this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Low visibility could make driving conditions hazardous.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Dense Fog Advisory issued July 27 at 5:48AM CDT until July 27 at 8:00AM CDT by NWS Chicago IL
Effective: Mon July 27, 2026, 5:48 AM
Expires: Mon July 27, 2026, 4:00 PM
* WHAT...For the Heat Advisory, peak heat index values up to 100 to 110 degrees expected. For the Dense Fog Advisory, visibility less than one quarter mile in dense fog. * WHERE...Benton, Jasper, Lake IN, and Newton Counties. * WHEN...For the Dense Fog Advisory, until 8 AM CDT /9 AM EDT/ this morning. For the Heat Advisory, until 9 PM CDT /10 PM EDT/ this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Low visibility could make driving conditions hazardous.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Weather Forecast
Air Quality
Nitrogen Dioxide: 12.56 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 70.71 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:15 PM
Daylight: 14 hrs 32 mins
Moon Transit: 11:55 PM
Moonset: 3:26 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%
Best Times for Fishing or Hunting
Major Periods
11:15 AM - 1:45 PM12:00 AM - 12:00 AM
Minor Periods
6:58 PM - 8:28 PM2:56 AM - 4:26 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.7 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 80.13 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:14 PM
Daylight: 14 hrs 30 mins
Moon Transit: 12:00 AM
Moonset: 4:28 AM
Moon Phase: Full
Moon Illumination: 99.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:05 AM - 2:35 PM
Minor Periods
7:33 PM - 9:03 PM3:58 AM - 5:28 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 9.35 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 66.63 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:13 PM
Daylight: 14 hrs 28 mins
Moon Transit: 12:44 AM
Moonset: 5:32 AM
Moon Phase: Full
Moon Illumination: 99.7%
Best Times for Fishing or Hunting
Major Periods
12:14 AM - 2:44 AM12:53 AM - 3:23 PM
Minor Periods
8:02 PM - 9:32 PM5:02 AM - 6:32 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 17.08 μg/m3
Sulphur Dioxide: 2.48 μg/m3
Ozone: 63.25 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:12 PM
Daylight: 14 hrs 26 mins
Moon Transit: 1:31 AM
Moonset: 6:38 AM
Moon Phase: Full
Moon Illumination: 97.1%
Best Times for Fishing or Hunting
Major Periods
1:01 AM - 3:31 AM1:38 PM - 4:08 PM
Minor Periods
8:27 PM - 9:57 PM6:08 AM - 7:38 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 31.41 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 29.63 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:11 PM
Daylight: 14 hrs 24 mins
Moon Transit: 2:15 AM
Moonset: 7:44 AM
Moon Phase: Full
Moon Illumination: 92.0%
Best Times for Fishing or Hunting
Major Periods
1:45 AM - 4:15 AM2:22 PM - 4:52 PM
Minor Periods
8:49 PM - 10:19 PM7:14 AM - 8:44 AM
Action Rating: 3 out of 5