Weather for Chatham, Illinois
Current Weather
Five Day Weather Forecast
Sat
H: 82°F
L: 69°F
Sun
H: 80°F
L: 63°F
Mon
H: 81°F
L: 62°F
Tue
H: 83°F
L: 65°F
Wed
H: 85°F
L: 71°F
Air Quality
Nitrogen Dioxide: 8.5 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 63 μg/m3
Astronomical
Sun Transit: 1:04 PM
Sunset: 8:28 PM
Daylight: 14 hrs 47 mins
Moon Transit: 10:11 AM
Moonset: 6:14 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:41 AM - 12:11 AM
Minor Periods
5:44 PM - 7:14 PM1:46 AM - 3:16 AM
Action Rating: 2 out of 5
Flood Warning issued July 10 at 10:32AM CDT by NWS Lincoln IL
Effective: Fri July 10, 2026, 10:32 AM
Expires: Sat July 11, 2026, 2:45 AM
...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Cass, Mason and Fulton Counties. Illinois River at Peoria affecting Peoria, Woodford and Tazewell Counties. Illinois River at Beardstown affecting Cass, Morgan, Schuyler and Brown 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...Illinois River at Beardstown. * WHEN...Until further notice. * IMPACTS...At 18.0 feet, Seepage problems begin in the Lost Creek Drainage and Levee District. * ADDITIONAL DETAILS... - At 9:45 AM CDT Friday the stage was 17.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:45 AM CDT Friday was 17.3 feet. - Forecast...The river is expected to rise to a crest of 17.3 feet this afternoon. - Flood stage is 14.0 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 July 10 at 10:32AM CDT until July 17 at 1:00AM CDT by NWS Lincoln IL
Effective: Fri July 10, 2026, 10:32 AM
Expires: Sat July 11, 2026, 2:45 AM
...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Cass, Mason and Fulton Counties. Illinois River at Peoria affecting Peoria, Woodford and Tazewell Counties. Illinois River at Beardstown affecting Cass, Morgan, Schuyler and Brown Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Illinois River near Havana. * WHEN...Until Friday, July 17. * ADDITIONAL DETAILS... - At 9:45 AM CDT Friday the stage was 17.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:45 AM CDT Friday was 17.4 feet. - Forecast...The river is expected to fall below flood stage Thursday evening and continue falling to 13.6 feet Friday, July 17. - Flood stage is 14.0 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 July 10 at 9:12PM CDT by NWS Lincoln IL
Effective: Fri July 10, 2026, 9:12 PM
Expires: Sat July 11, 2026, 1:15 PM
...The Flood Warning continues for the following rivers in Illinois... Illinois River at Peoria affecting Tazewell, Peoria and Woodford Counties. Illinois River at Beardstown affecting Schuyler, Morgan, Brown and Cass Counties. Illinois River near Havana affecting Mason, Cass and Fulton 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...Illinois River at Beardstown. * WHEN...Until further notice. * IMPACTS...At 18.0 feet, Seepage problems begin in the Lost Creek Drainage and Levee District. * ADDITIONAL DETAILS... - At 8:45 PM CDT Friday the stage was 17.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Friday was 17.3 feet. - Forecast...The river is expected to fall to 14.9 feet Friday, July 17. - Flood stage is 14.0 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 July 10 at 9:12PM CDT until July 17 at 1:00AM CDT by NWS Lincoln IL
Effective: Fri July 10, 2026, 9:12 PM
Expires: Sat July 11, 2026, 1:15 PM
...The Flood Warning continues for the following rivers in Illinois... Illinois River at Peoria affecting Tazewell, Peoria and Woodford Counties. Illinois River at Beardstown affecting Schuyler, Morgan, Brown and Cass Counties. Illinois River near Havana affecting Mason, Cass and Fulton Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Illinois River near Havana. * WHEN...Until Friday, July 17. * ADDITIONAL DETAILS... - At 8:45 PM CDT Friday the stage was 17.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Friday was 17.3 feet. - Forecast...The river is expected to fall below flood stage Thursday evening and continue falling to 13.5 feet Friday, July 17. - Flood stage is 14.0 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: 5.44 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 76.92 μg/m3
Astronomical
Sun Transit: 1:04 PM
Sunset: 8:28 PM
Daylight: 14 hrs 47 mins
Moon Transit: 10:11 AM
Moonset: 6:14 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:41 AM - 12:11 AM
Minor Periods
5:44 PM - 7:14 PM1:46 AM - 3:16 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.38 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 69.83 μg/m3
Astronomical
Sun Transit: 1:04 PM
Sunset: 8:27 PM
Daylight: 14 hrs 46 mins
Moon Transit: 11:17 AM
Moonset: 7:22 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:47 AM - 1:17 PM
Minor Periods
6:52 PM - 8:22 PM2:43 AM - 4:13 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 8.96 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 75.75 μg/m3
Astronomical
Sun Transit: 1:04 PM
Sunset: 8:27 PM
Daylight: 14 hrs 45 mins
Moon Transit: 12:24 AM
Moonset: 8:20 PM
Moon Phase: New
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:54 AM - 2:24 PM
Minor Periods
7:50 PM - 9:20 PM3:53 AM - 5:23 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 13.07 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 81.04 μg/m3
Astronomical
Sun Transit: 1:04 PM
Sunset: 8:26 PM
Daylight: 14 hrs 44 mins
Moon Transit: 1:28 PM
Moonset: 9:04 PM
Moon Phase: New
Moon Illumination: 1.9%
Best Times for Fishing or Hunting
Major Periods
12:30 AM - 3:00 AM12:58 AM - 3:28 PM
Minor Periods
8:34 PM - 10:04 PM5:10 AM - 6:40 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 36.81 μg/m3
Sulphur Dioxide: 1.81 μg/m3
Ozone: 27.38 μg/m3
Astronomical
Sun Transit: 1:04 PM
Sunset: 8:26 PM
Daylight: 14 hrs 42 mins
Moon Transit: 2:26 PM
Moonset: 9:40 PM
Moon Phase: New
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
1:31 AM - 4:01 AM1:56 PM - 4:26 PM
Minor Periods
9:10 PM - 10:40 PM6:30 AM - 8:00 AM
Action Rating: 3 out of 5