Weather for Hermann, Missouri
Current Weather
Five Day Weather Forecast
Fri
H: 60°F
L: 43°F
Sat
H: 59°F
L: 38°F
Sun
H: 74°F
L: 39°F
Mon
H: 76°F
L: 59°F
Tue
H: 64°F
L: 47°F
Air Quality
Nitrogen Dioxide: 6.15 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 50 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 7:58 PM
Daylight: 13 hrs 50 mins
Moon Transit: 12:35 AM
Moonset: 5:42 AM
Moon Phase: Full
Moon Illumination: 100.0%
Best Times for Fishing or Hunting
Major Periods
12:05 AM - 2:35 AM12:15 AM - 2:45 PM
Minor Periods
7:54 PM - 9:24 PM5:12 AM - 6:42 AM
Action Rating: 4 out of 5
Flood Warning issued April 30 at 11:26AM CDT until May 2 at 8:42AM CDT by NWS St Louis MO
Effective: Thu April 30, 2026, 11:26 AM
Expires: Fri May 1, 2026, 11:30 PM
...The Flood Warning is extended for the following rivers in Missouri... Missouri River at St. Charles. ...The Flood Warning continues for the following rivers in Missouri... Missouri River at Hermann. Missouri River near Chamois. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Missouri River at Hermann. * WHEN...Until Saturday morning. * IMPACTS...At 22.3 feet, Southern portions of Old Rock Road and Twisters Road south of Rhineland begin flooding near this height. * ADDITIONAL DETAILS... - At 10:30 AM CDT Thursday the stage was 22.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:30 AM CDT Thursday was 22.2 feet. - Forecast...The river is expected to fall below flood stage just after midnight tonight and continue falling to 10.4 feet Thursday, May 07. - Flood stage is 21.0 feet.
Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Flood Warning issued April 30 at 11:26AM CDT until May 2 at 7:00AM CDT by NWS St Louis MO
Effective: Thu April 30, 2026, 11:26 AM
Expires: Fri May 1, 2026, 11:30 PM
...The Flood Warning is extended for the following rivers in Missouri... Missouri River at St. Charles. ...The Flood Warning continues for the following rivers in Missouri... Missouri River at Hermann. Missouri River near Chamois. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Missouri River near Chamois. * WHEN...Until Saturday morning. * IMPACTS...At 17.0 feet, Flood Stage: Lower lying bottom land begins to flood. * ADDITIONAL DETAILS... - At 1:30 PM CDT Tuesday, April 28 the stage was 14.9 feet. - Forecast...The river is expected to rise to a crest of 17.4 feet this afternoon. It will then fall below flood stage this evening. - Flood stage is 17.0 feet.
Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Flood Warning issued April 30 at 12:53PM CDT until May 4 at 10:00PM CDT by NWS St Louis MO
Effective: Thu April 30, 2026, 12:53 PM
Expires: Sat May 2, 2026, 1:00 AM
...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Winfield. Mississippi River at Clarksville. Mississippi River at Louisiana. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Winfield. * WHEN...Until Monday evening. * ADDITIONAL DETAILS... - At 12:30 PM CDT Thursday the stage was 29.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 12:30 PM CDT Thursday was 29.5 feet. - Forecast...The river is expected to fall below flood stage Sunday afternoon and continue falling to 22.7 feet Thursday, May 07. - Flood stage is 26.0 feet.
Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Flood Warning issued April 30 at 11:28AM CDT until May 2 at 7:00PM CDT by NWS St Louis MO
Effective: Thu April 30, 2026, 11:28 AM
Expires: Fri May 1, 2026, 11:30 PM
...The Flood Warning is extended for the following rivers in Missouri... Cuivre River at Old Monroe. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Cuivre River at Old Monroe. * WHEN...Until Saturday evening. * ADDITIONAL DETAILS... - At 10:30 AM CDT Thursday the stage was 24.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:30 AM CDT Thursday was 25.0 feet. - Forecast...The river is expected to fall below flood stage tomorrow morning. - Flood stage is 24.0 feet.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Flood Warning issued April 30 at 1:03PM CDT until May 5 at 5:00PM CDT by NWS St Louis MO
Effective: Thu April 30, 2026, 1:03 PM
Expires: Sat May 2, 2026, 1:15 AM
...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at St. Louis. Mississippi River near Herculaneum. Mississippi River at Chester. ...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Alton. Mississippi River at Mel Price LD. Mississippi River at Grafton. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Grafton. * WHEN...Until Tuesday afternoon. * IMPACTS...At 22.5 feet, East end of Main Street in Portage des Sioux begins flooding near this height. * ADDITIONAL DETAILS... - At 12:30 PM CDT Thursday the stage was 22.8 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 12:30 PM CDT Thursday was 22.8 feet. - Forecast...The river is expected to rise to a crest of 22.9 feet this evening. It will then fall below flood stage late Monday morning. - Flood stage is 20.0 feet.
Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.79 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 78.16 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 7:58 PM
Daylight: 13 hrs 50 mins
Moon Transit: 12:35 AM
Moonset: 5:42 AM
Moon Phase: Full
Moon Illumination: 100.0%
Best Times for Fishing or Hunting
Major Periods
12:05 AM - 2:35 AM12:15 AM - 2:45 PM
Minor Periods
7:54 PM - 9:24 PM5:12 AM - 6:42 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.32 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 76.48 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 7:59 PM
Daylight: 13 hrs 52 mins
Moon Transit: 1:20 AM
Moonset: 6:12 AM
Moon Phase: Full
Moon Illumination: 98.4%
Best Times for Fishing or Hunting
Major Periods
12:50 AM - 3:20 AM1:02 PM - 3:32 PM
Minor Periods
8:56 PM - 10:26 PM5:42 AM - 7:12 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.1 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 79.36 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:00 PM
Daylight: 13 hrs 54 mins
Moon Transit: 2:08 AM
Moonset: 6:47 AM
Moon Phase: Full
Moon Illumination: 94.4%
Best Times for Fishing or Hunting
Major Periods
1:38 AM - 4:08 AM1:51 PM - 4:21 PM
Minor Periods
9:57 PM - 11:27 PM6:17 AM - 7:47 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.09 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 87.15 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:01 PM
Daylight: 13 hrs 56 mins
Moon Transit: 2:58 AM
Moonset: 7:28 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.0%
Best Times for Fishing or Hunting
Major Periods
2:28 AM - 4:58 AM2:42 PM - 5:12 PM
Minor Periods
12:00 AM - 12:00 AM6:58 AM - 8:28 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:02 PM
Daylight: 13 hrs 58 mins
Moon Transit: 3:49 AM
Moonset: 8:17 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.8%
Best Times for Fishing or Hunting
Major Periods
3:19 AM - 5:49 AM3:33 PM - 6:03 PM
Minor Periods
7:47 AM - 9:17 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5