Flood Watch issued September 20 at 1:07PM EDT until September 21 at 8:00AM EDT by NWS Wilmington OH (details ...)
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Portions of Indiana, including the following counties, Dearborn, Fayette, Franklin, Ripley, Union and Wayne and Ohio, including the following counties, Adams, Auglaize, Brown, Butler, Champaign, Clark, Clermont, Clinton, Darke, Delaware, Fairfield, Fayette, Franklin, Greene, Hamilton, Hardin, Highland, Hocking, Licking, Logan, Madison, Mercer, Miami, Montgomery, Pickaway, Pike, Preble, Ross, Scioto, Shelby, Union and Warren.
* WHEN...From 7 PM EDT this evening through Monday morning.
* IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS... - Showers and thunderstorms producing heavy rain will impact the area overnight. Rainfall totals of 1 to 3 inches are expected with locally higher amounts. The heavy rain combined with saturated ground will lead to potential flash flooding.
Flood Warning issued September 20 at 1:05PM EDT until September 21 at 8:00AM EDT by NWS Wilmington OH (details ...)
...Forecast flooding changed to Minor severity and increased in duration for the following rivers...
St. Marys River at Rockford.
* WHAT...Minor flooding is forecast.
* WHERE...St. Marys River at Rockford.
* WHEN...Until Monday morning.
* IMPACTS...At 13.0 feet, State Route 117 near Route 118 north of Rockford is water-covered and closed.
* ADDITIONAL DETAILS... - At 12:40 PM EDT Sunday the stage was 13.0 feet. - Forecast...The river is expected to rise to a crest of 13.0 feet this afternoon. It will then fall below flood stage just after midnight tonight. - Flood stage is 13.0 feet.
Weather Observations near Celina (1:36 pm)
79 Temperature °F 79 Feels Like °F 76 Humidity % SE 2.9 Wind mph 6.9 gusts 0.10 Rain Today inch 5.55 Rain Last Week inch 1015.1 Pressure mb 95422 Brightness Lux 8 UV Index
Weather Forecast for the Grand Lake area
Conditions Sep 20 Sep 21 Sep 22 Sep 23 Sep 24 Sep 25 Sunday 80° Sunday 80° chance 61° 61° likely Monday 66° Monday 66° chance 58° 58° slight chance Tuesday 65° Tuesday 65° slight chance 58° 58° slight chance Wednesday 65° Wednesday 65° chance 55° 55° slight chance Thursday 67° Thursday 67° 53° 53° Friday 67° Friday 67° 51° 51° Temperature 50° 55° 60° 65° 70° 75° 12 pm Sep 20 12 am 12 pm Sep 21 12 am 12 pm Sep 22 12 am 12 pm Sep 23 12 am 12 pm Sep 24 12 am 12 pm Sep 25 12 am Temperature Feels Like Dewpoint Precipitation, Humidity and Clouds 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 12 pm Sep 20 12 am 12 pm Sep 21 12 am 12 pm Sep 22 12 am 12 pm Sep 23 12 am 12 pm Sep 24 12 am 12 pm Sep 25 12 am Precipitation Humidity Cloud Cover 0.27" 0.11" 0.13" 0.34" 0.23" 0.11" 0.02" Rain inches Wind 0 2 4 6 8 10 12 14 16 18 20 22 24 12 pm Sep 20 12 am 12 pm Sep 21 12 am 12 pm Sep 22 12 am 12 pm Sep 23 12 am 12 pm Sep 24 12 am 12 pm Sep 25 12 am Wind mph Gust mph Direction
Source: National Weather Service
Wind direction arrow points in direction wind is
blowing toward. Example: wind is blowing
from southwest to northeast.
Sunday
September 20
avg high: 75.0°F
avg low: 53.0°F
rec. high: 94, 2024
rec. low: 35, 1962
Sunrise: 7:22 am
Sunset: 7:40 pm
Moonrise: 3:43 pm
Moonset: n/a
Monday
September 21
avg high: 74.6°F
avg low: 52.6°F
rec. high: 92, 2024
rec. low: 29, 1897
Sunrise: 7:23 am
Sunset: 7:38 pm
Moonrise: 4:17 pm
Moonset: 12:53 am
Tuesday
September 22
avg high: 74.2°F
avg low: 52.2°F
rec. high: 91, 2017
rec. low: 34, 1999
Sunrise: 7:24 am
Sunset: 7:37 pm
Moonrise: 4:45 pm
Moonset: 1:58 am
Autumnal equinox: 8:05 pm
Wednesday
September 23
avg high: 73.8°F
avg low: 51.8°F
rec. high: 93, 2010
rec. low: 30, 1995
Sunrise: 7:25 am
Sunset: 7:35 pm
Moonrise: 5:10 pm
Moonset: 3:03 am
Thursday
September 24
avg high: 73.3°F
avg low: 51.4°F
rec. high: 91, 2007
rec. low: 32, 1989
Sunrise: 7:26 am
Sunset: 7:33 pm
Moonrise: 5:33 pm
Moonset: 4:09 am
Friday
September 25
avg high: 72.9°F
avg low: 51.1°F
rec. high: 91, 2017
rec. low: 36, 1991
Sunrise: 7:27 am
Sunset: 7:32 pm
Moonrise: 5:55 pm
Moonset: 5:16 am
Source: National Centers for Environmental Information, Howick Family Observations via RCC-ACIS, NOAA
Indianapolis Radar
1:35 pm, Sep 20
Source: National Weather Service
Stream Gauge Heights 0' 2' 4' 6' 8' 10' 12' 14' 16' 12 am 12 pm Sep 13 12 am 12 pm Sep 14 12 am 12 pm Sep 15 12 am 12 pm Sep 16 12 am 12 pm Sep 17 12 am 12 pm Sep 18 12 am 12 pm Sep 19 12 am 12 pm Sep 20 Chickasaw Creek St. Marys River at Rockford Miami and Erie Canal at Minster Loramie Creek near Newport Wabash River at Linn Grove, IN
Source: U.S. Geological Survey
Grand Lake Height (above sea level) 869.00' 869.25' 869.50' 869.75' 870.00' 870.25' 870.50' 870.75' 871.00' 871.25' 871.50' 871.75' 872.00' Jun 22 Jun 29 Jul 06 Jul 13 Jul 20 Jul 27 Aug 03 Aug 10 Aug 17 Aug 24 Aug 31 Sep 07 Sep 14 Grand Lake at West Bank Spillway
Source: U.S. Geological Survey
Midwest US from Satellite
1:26 pm, Sep 20
(Tap or click to animate.)
Source: NOAA GOES satellite imagery
Contiguous US from Satellite
1:26 pm, Sep 20
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Source: NOAA GOES satellite imagery
US Weather Map
12:27 pm, Sep 20
(Tap or click to animate.)
Source: NOAA Weather Prediction Center
Drought Maps
September 15, 2026
(Tap or click to animate.)
None
Abnormally Dry
Moderate Drought
Severe Drought
Extreme Drought
Exceptional Drought
Source: U.S. Drought Monitor