Weather for Topeka, Illinois
Current Weather
Five Day Weather Forecast
Thu
H: 82°F
L: 60°F
Fri
H: 84°F
L: 60°F
Sat
H: 58°F
L: 42°F
Sun
H: 51°F
L: 37°F
Mon
H: 62°F
L: 39°F
Air Quality
Nitrogen Dioxide: 1.75 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 105 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 7:40 PM
Daylight: 13 hrs 20 mins
Moon Transit: 12:14 AM
Moonset: 7:06 PM
Moon Phase: New
Moon Illumination: 0.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:44 AM - 2:14 PM
Minor Periods
6:36 PM - 8:06 PM5:06 AM - 6:36 AM
Action Rating: 5 out of 5
Flood Warning issued April 15 at 9:40PM CDT by NWS Lincoln IL
Effective: Wed April 15, 2026, 9:40 PM
Expires: Thu April 16, 2026, 1:45 PM
...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Fulton, Cass and Mason 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 near Havana. * WHEN...Until further notice. * IMPACTS...At 14.0 feet, Minor flooding begins to agricultural areas not protected by levees. * ADDITIONAL DETAILS... - At 8:45 PM CDT Wednesday the stage was 15.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Wednesday was 15.4 feet. - Forecast...The river is expected to remain steady above flood stage at around 15.3 feet for the next several days. - 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. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov.
Flood Warning issued April 15 at 9:40PM CDT by NWS Lincoln IL
Effective: Wed April 15, 2026, 9:40 PM
Expires: Thu April 16, 2026, 1:45 PM
...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Fulton, Cass and Mason 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 14.4 feet, Seepage problems begin in the Coal Creek Drainage and Levee District. * ADDITIONAL DETAILS... - At 8:45 PM CDT Wednesday the stage was 15.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Wednesday was 15.1 feet. - Forecast...The river is expected to remain steady above flood stage at 15.0 feet for the next several days. - 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. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov.
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.83 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 81.64 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 7:40 PM
Daylight: 13 hrs 20 mins
Moon Transit: 12:14 AM
Moonset: 7:06 PM
Moon Phase: New
Moon Illumination: 0.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:44 AM - 2:14 PM
Minor Periods
6:36 PM - 8:06 PM5:06 AM - 6:36 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.68 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 83.36 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 7:41 PM
Daylight: 13 hrs 22 mins
Moon Transit: 1:06 PM
Moonset: 8:25 PM
Moon Phase: New
Moon Illumination: 4.1%
Best Times for Fishing or Hunting
Major Periods
12:11 AM - 2:41 AM12:36 AM - 3:06 PM
Minor Periods
7:55 PM - 9:25 PM5:34 AM - 7:04 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.61 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 81.72 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 7:42 PM
Daylight: 13 hrs 25 mins
Moon Transit: 2:03 PM
Moonset: 9:45 PM
Moon Phase: New
Moon Illumination: 1.2%
Best Times for Fishing or Hunting
Major Periods
1:05 AM - 3:35 AM1:33 PM - 4:03 PM
Minor Periods
9:15 PM - 10:45 PM6:06 AM - 7:36 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.75 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 84.08 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 7:43 PM
Daylight: 13 hrs 27 mins
Moon Transit: 3:04 PM
Moonset: 11:04 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%
Best Times for Fishing or Hunting
Major Periods
2:04 AM - 4:34 AM2:34 PM - 5:04 PM
Minor Periods
12:00 AM - 12:00 AM6:45 AM - 8:15 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 10.28 μg/m3
Sulphur Dioxide: 1.68 μg/m3
Ozone: 57.77 μg/m3
Astronomical
Sun Transit: 12:58 AM
Sunset: 7:44 PM
Daylight: 13 hrs 30 mins
Moon Transit: 4:08 PM
Moonset: 12:04 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%
Best Times for Fishing or Hunting
Major Periods
3:07 AM - 5:37 AM3:38 PM - 6:08 PM
Minor Periods
7:35 AM - 9:05 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5