Weather for De Witt, Illinois
Current Weather
Five Day Weather Forecast
Fri
H: 82°F
L: 59°F
Sat
H: 77°F
L: 61°F
Sun
H: 64°F
L: 58°F
Mon
H: 73°F
L: 54°F
Tue
H: 74°F
L: 55°F
Air Quality
Nitrogen Dioxide: 18.7 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 37 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 8:28 PM
Daylight: 15 hrs 3 mins
Moon Transit: 5:27 PM
Moonset: 12:41 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%
Best Times for Fishing or Hunting
Major Periods
4:43 AM - 7:13 AM4:57 PM - 7:27 PM
Minor Periods
10:06 AM - 11:36 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Flood Warning issued June 18 at 8:49PM CDT until June 22 at 8:30AM CDT by NWS Lincoln IL
Effective: Thu June 18, 2026, 8:49 PM
Expires: Fri June 19, 2026, 1:00 PM
...The Flood Warning is extended for the following rivers in Illinois... Sangamon River at Monticello affecting Piatt County. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Sangamon River at Monticello. * WHEN...Until Monday morning. * IMPACTS...At 13.0 feet, Flooding of agricultural areas begins. * ADDITIONAL DETAILS... - At 8:00 PM CDT Thursday the stage was 13.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Thursday was 13.4 feet. - Forecast...The river is expected to rise to a crest of 14.6 feet early Saturday morning. It will then fall below flood stage early Monday morning. - Flood stage is 13.0 feet. - http://www.weather.gov/safety/flood
Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Additional information is available at www.weather.gov.
Flood Warning issued June 18 at 7:26PM CDT until June 19 at 7:00AM CDT by NWS Lincoln IL
Effective: Thu June 18, 2026, 7:26 PM
Expires: Fri June 19, 2026, 7:00 AM
...The National Weather Service in Lincoln IL has issued a Flood Warning for the following rivers in Illinois... Mackinaw River near Congerville affecting McLean, Tazewell and Woodford Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mackinaw River near Congerville. * WHEN...From this evening to tomorrow morning. * IMPACTS...At 13.0 feet, Widespread agricultural flooding occurs. * ADDITIONAL DETAILS... - At 6:45 PM CDT Thursday the stage was 13.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 6:45 PM CDT Thursday was 13.1 feet. - Forecast...The river is expected to fall below flood stage just after midnight tonight and continue falling to 3.8 feet Thursday, June 25. - Flood stage is 13.0 feet. - http://www.weather.gov/safety/flood
Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Additional information is available at www.weather.gov.
Weather Forecast
Air Quality
Nitrogen Dioxide: 11.75 μg/m3
Sulphur Dioxide: 0.61 μg/m3
Ozone: 53.67 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 8:28 PM
Daylight: 15 hrs 3 mins
Moon Transit: 5:27 PM
Moonset: 12:41 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%
Best Times for Fishing or Hunting
Major Periods
4:43 AM - 7:13 AM4:57 PM - 7:27 PM
Minor Periods
10:06 AM - 11:36 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 8.79 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 60.04 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 8:28 PM
Daylight: 15 hrs 3 mins
Moon Transit: 6:13 PM
Moonset: 12:07 AM
Moon Phase: Waxing Crescent
Moon Illumination: 27.8%
Best Times for Fishing or Hunting
Major Periods
5:30 AM - 8:00 AM5:43 PM - 8:13 PM
Minor Periods
11:15 AM - 12:45 AM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 8.4 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 47.83 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 8:29 PM
Daylight: 15 hrs 3 mins
Moon Transit: 6:56 PM
Moonset: 12:30 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%
Best Times for Fishing or Hunting
Major Periods
6:14 AM - 8:44 AM6:26 PM - 8:56 PM
Minor Periods
12:22 AM - 1:52 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.58 μg/m3
Sulphur Dioxide: 0.85 μg/m3
Ozone: 61.83 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 8:29 PM
Daylight: 15 hrs 3 mins
Moon Transit: 7:38 PM
Moonset: 12:51 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%
Best Times for Fishing or Hunting
Major Periods
6:57 AM - 9:27 AM7:08 PM - 9:38 PM
Minor Periods
1:25 PM - 2:55 PM12:21 AM - 1:51 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 15.54 μg/m3
Sulphur Dioxide: 1.34 μg/m3
Ozone: 25.13 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 8:29 PM
Daylight: 15 hrs 3 mins
Moon Transit: 8:21 PM
Moonset: 1:12 AM
Moon Phase: First Quarter
Moon Illumination: 61.0%
Best Times for Fishing or Hunting
Major Periods
7:39 AM - 10:09 AM7:51 PM - 10:21 PM
Minor Periods
2:29 PM - 3:59 PM12:42 AM - 2:12 AM
Action Rating: 2 out of 5