Weather for Topeka, Illinois
Current Weather
Five Day Weather Forecast
Wed
H: 64°F
L: 46°F
Thu
H: 60°F
L: 42°F
Fri
H: 57°F
L: 44°F
Sat
H: 58°F
L: 39°F
Sun
H: 67°F
L: 42°F
Air Quality
Nitrogen Dioxide: 1.35 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 105 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 7:53 PM
Daylight: 13 hrs 52 mins
Moon Transit: 11:45 PM
Moonset: 4:46 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.5%
Best Times for Fishing or Hunting
Major Periods
10:54 AM - 1:24 PM12:00 AM - 12:00 AM
Minor Periods
5:45 PM - 7:15 PM4:16 AM - 5:46 AM
Action Rating: 3 out of 5
Flood Warning issued April 28 at 9:41PM CDT by NWS Lincoln IL
Effective: Tue April 28, 2026, 9:41 PM
Expires: Wed April 29, 2026, 1:45 PM
...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Cass, Fulton and Mason Counties. Illinois River at Beardstown affecting Morgan, Cass, Brown and Schuyler 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. * ADDITIONAL DETAILS... - At 8:45 PM CDT Tuesday the stage was 16.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Tuesday was 16.4 feet. - Forecast...The river is expected to rise to a crest of 16.4 feet just after midnight tonight. - 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 28 at 9:41PM CDT by NWS Lincoln IL
Effective: Tue April 28, 2026, 9:41 PM
Expires: Wed April 29, 2026, 1:45 PM
...The Flood Warning continues for the following rivers in Illinois... Illinois River near Havana affecting Cass, Fulton and Mason Counties. Illinois River at Beardstown affecting Morgan, Cass, Brown and Schuyler Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is occurring and moderate 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 Tuesday the stage was 17.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Tuesday was 17.2 feet. - Forecast...The river is expected to rise to a crest of 18.5 feet Thursday morning. - 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 28 at 11:25AM CDT until May 6 at 1:00AM CDT by NWS St Louis MO
Effective: Tue April 28, 2026, 11:25 AM
Expires: Wed April 29, 2026, 11:30 PM
...The National Weather Service in St Louis has issued a Flood Warning for the following rivers in Illinois... Illinois River at La Grange LD. Illinois River at Meredosia. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Illinois River at Meredosia. * WHEN...From late Wednesday night to Wednesday, May 06. * IMPACTS...At 18.0 feet, City of Meredosia plugs storm sewer outlets. * ADDITIONAL DETAILS... - At 11:00 AM CDT Tuesday the stage was 16.0 feet. - Forecast...The river is expected to rise above flood stage early Thursday morning to a crest of 17.8 feet Friday evening. It will then fall below flood stage Monday evening. - Flood stage is 17.0 feet.
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Be especially cautious at night when it is harder to recognize the dangers of flooding. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Flood Warning issued April 28 at 9:48PM CDT until May 6 at 1:00AM CDT by NWS St Louis MO
Effective: Tue April 28, 2026, 9:48 PM
Expires: Thu April 30, 2026, 10:00 AM
...The Flood Warning is extended for the following rivers in Illinois... Illinois River at La Grange LD. ...The Flood Warning continues for the following rivers in Illinois... Kaskaskia River at Vandalia. Illinois River at Valley City. Illinois River at Hardin. Illinois River at Meredosia. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Illinois River at Meredosia. * WHEN...From late Wednesday night to Wednesday, May 06. * IMPACTS...At 17.4 feet, Meredosia boat dock floods. * ADDITIONAL DETAILS... - At 9:30 PM CDT Tuesday the stage was 16.2 feet. - Forecast...The river is expected to rise above flood stage early Thursday morning to a crest of 17.8 feet Friday evening. It will then fall below flood stage Monday evening. - Flood stage is 17.0 feet.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Be especially cautious at night when it is harder to recognize the dangers of flooding. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.57 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 85.16 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 7:53 PM
Daylight: 13 hrs 52 mins
Moon Transit: 11:45 PM
Moonset: 4:46 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.5%
Best Times for Fishing or Hunting
Major Periods
10:54 AM - 1:24 PM12:00 AM - 12:00 AM
Minor Periods
5:45 PM - 7:15 PM4:16 AM - 5:46 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.3 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 78.56 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 7:54 PM
Daylight: 13 hrs 54 mins
Moon Transit: 12:00 AM
Moonset: 5:07 AM
Moon Phase: Full
Moon Illumination: 99.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:37 AM - 2:07 PM
Minor Periods
6:48 PM - 8:18 PM4:37 AM - 6:07 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.14 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 81.6 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 7:55 PM
Daylight: 13 hrs 56 mins
Moon Transit: 12:29 AM
Moonset: 5:32 AM
Moon Phase: Full
Moon Illumination: 100.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:22 AM - 2:52 PM
Minor Periods
7:52 PM - 9:22 PM5:02 AM - 6:32 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.44 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 76.04 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 7:56 PM
Daylight: 13 hrs 59 mins
Moon Transit: 1:14 AM
Moonset: 6:01 AM
Moon Phase: Full
Moon Illumination: 98.4%
Best Times for Fishing or Hunting
Major Periods
12:44 AM - 3:14 AM1:08 PM - 3:38 PM
Minor Periods
8:55 PM - 10:25 PM5:31 AM - 7:01 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.24 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 70 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 7:57 PM
Daylight: 14 hrs 1 mins
Moon Transit: 2:02 AM
Moonset: 6:35 AM
Moon Phase: Full
Moon Illumination: 94.4%
Best Times for Fishing or Hunting
Major Periods
1:32 AM - 4:02 AM1:57 PM - 4:27 PM
Minor Periods
9:57 PM - 11:27 PM6:05 AM - 7:35 AM
Action Rating: 4 out of 5