Local weather forecast

Weather in Decatur, IN

Updated 2026-08-11 12:15 local time · ZIP codes 46733

Overcast
Now72°F

Overcast

High / Low89° / 67°
Rain chance84%
Wind9 mph
Weather alerts

Active alerts

1
Flood Advisory issued August 11 at 7:02AM EDT until August 11 at 9:15AM EDT by NWS Northern Indiana

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of northern Indiana, including the following counties, Allen IN, Cass IN, Fulton IN, Huntington, Miami, Wabash and Wells. * WHEN...Until 915 AM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 702 AM EDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 0.5 and 2 inches of rain have fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Fort Wayne, Huntington, Peru, Wabash, Bluffton, Rochester, North Manchester, Ossian, Akron, Andrews, Markle, Mexico, Aboite, Roanoke, Lancaster, Zanesville, Erie, Denver, Roann and Lagro. - http://www.weather.gov/safety/flood

Safety instructions

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Hourly

Next hours

NowOvercast72°10% rain
1 PMSunny87°9% rain
2 PMSunny88°10% rain
3 PMSunny89°8% rain
4 PMHeavy rain at times67°89% rain
5 PMPatchy rain nearby75°79% rain
6 PMPatchy rain nearby77°43% rain
7 PMPatchy rain nearby76°31% rain
8 PMHeavy rain at times70°86% rain
9 PMHeavy rain at times70°73% rain
10 PMPatchy rain nearby70°38% rain
11 PMPatchy rain nearby70°55% rain
Forecast

3-day weather forecast

Today2026-08-11
Patchy rain nearby
89° 67°Patchy rain nearby
Rain 84%Gust 31 mph
Tomorrow2026-08-12
Sunny
75° 64°Sunny
Rain 88%Gust 10 mph
Thursday2026-08-13
Mist
83° 65°Mist
Rain 59%Gust 7 mph
Conditions

Weather details

Feels like76°F
Humidity88%
Pressure29.95 inHg
Visibility10 mi
Wind9 mph SW
Wind gusts11 mph
Precipitation0.00 in
UV index3
Daylight

Sunrise, sunset and moon

Sunrise06:46 AM
Sunset08:43 PM
Moonrise04:45 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Take an umbrella

Rain chance reaches about 89% over the next 12 hours.

Light layers should work

It feels like 76°F with winds near 9 mph.

Best window: 12 PM

72°F, 10% rain chance and 9 mph wind.

Use extra caution while driving

Visibility is around 10 mi; gusts may reach 55 mph.

Running conditions are less comfortable

Current temperature is 72°F, wind 9 mph, rain chance up to 89%.

Moderate UV protection recommended

UV index is 3. Sunscreen and sunglasses are sensible for longer outdoor time.

Decatur weather today

Overcast and 72°F in Decatur, IN. Today's high is 89°F with a 84% rain chance. Winds are around 9 mph with gusts near 11 mph. Relative humidity is 88%, pressure is 29.95 inHg, and visibility is about 10 miles.

Tonight and tomorrow in Decatur

Sunrise is at 06:46 AM and sunset is at 08:43 PM. Tomorrow's forecast calls for Sunny with a high near 75°F and a low near 64°F. The maximum rain chance is 88%.

Nearby

Weather near Decatur

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