Decatur, IN Weather Forecast & Current Conditions

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Decatur, IN Weather Maps

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Decatur Weather Map
UTC Time: 9/20/2026, 02:06
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Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Decatur, IN Regional Weather

Expires:202609200300;;739734
ASUS43 KIND 200159
RWRIN 

WEATHER ROUNDUP FOR INDIANA
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1000 PM EDT SAT SEP 19 2026

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.

* - STATION DOES NOT REPORT WEATHER SUCH AS PRECIPITATION OR FOG.

+ - STATION NOT QUALITY CONTROLLED BY THE NATIONAL WEATHER SERVICE.
    USE DATA WITH CAUTION...ESPECIALLY DEWPOINT AND RELATIVE
    HUMIDITY OBSERVATIONS.


INZ006>009-017-018-025>027-200300-
NORTHEAST INDIANA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
FORT WAYNE     NOT AVBL                                               

$$


SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Decatur, IN

Tonight
Thunderstorms
68°20°
50%
Sunday
Thunderstorms
78°/ 55° 26°/ 13°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Wednesday
Thunderstorms
65°/ 52° 18°/ 11°
50%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
70°/ 50° 21°/ 10°
0%
Saturday
Sunny
72°22°
0%

Night: Cloudy. A chance of showers and thunderstorms this evening, then a chance of showers with a slight chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall this evening. Some thunderstorms may produce heavy rainfall after midnight. Lows in the upper 60s. South winds around 5 mph. Chance of rain 50 percent.

Fort Wayne, IN

Tonight
Thunderstorms
68°20°
70%
Sunday
Thunderstorms
75°/ 55° 24°/ 13°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
40%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Wednesday
Thunderstorms
65°/ 52° 18°/ 11°
50%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
72°/ 50° 22°/ 10°
0%
Saturday
Sunny
72°22°
0%

Night: Cloudy with a chance of thunderstorms. A chance of showers this evening, then showers likely after midnight. Some thunderstorms may produce heavy rainfall. Near steady temperature in the upper 60s. East winds around 5 mph, becoming south after midnight. Chance of rain 70 percent.

Van Wert, OH

Tonight
Thunderstorms
65°18°
70%
Sunday
Thunderstorms
75°/ 55° 24°/ 13°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Wednesday
Thunderstorms
65°/ 52° 18°/ 11°
50%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
70°/ 50° 21°/ 10°
0%
Saturday
Sunny
72°22°
0%

Night: Cloudy. A chance of showers and thunderstorms this evening, then showers likely with a slight chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall. Locally heavy rainfall possible after midnight. Lows in the mid 60s. South winds around 5 mph. Chance of rain 70 percent.

Bluffton, IN

Tonight
Thunderstorms
68°20°
50%
Sunday
Thunderstorms
78°/ 55° 26°/ 13°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Wednesday
Thunderstorms
65°/ 52° 18°/ 11°
40%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
72°/ 50° 22°/ 10°
0%
Saturday
Sunny
72°22°
0%

Night: Cloudy with a chance of thunderstorms. A chance of showers. Some thunderstorms may produce heavy rainfall. Lows in the upper 60s. Southeast winds around 5 mph. Chance of rain 50 percent.

Celina, OH

Tonight
Thunderstorms
65°18°
70%
Sunday
Thunderstorms
78°/ 55° 26°/ 13°
90%
Monday
Rain Showers
68°/ 52° 20°/ 11°
50%
Tuesday
Mostly Cloudy
68°/ 55° 20°/ 13°
40%
Wednesday
Thunderstorms
68°/ 55° 20°/ 13°
50%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
72°/ 52° 22°/ 11°
0%
Saturday
Cloudy
72°22°
0%

Night: Mostly cloudy. A chance of showers and thunderstorms this evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 60s. South winds around 5 mph. Chance of rain 70 percent.

Portland, IN

Tonight
Thunderstorms
68°20°
50%
Sunday
Thunderstorms
80°/ 55° 27°/ 13°
70%
Monday
Rain Showers
68°/ 52° 20°/ 11°
50%
Tuesday
Rain Showers
68°/ 55° 20°/ 13°
40%
Wednesday
Thunderstorms
68°/ 55° 20°/ 13°
50%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
72°/ 52° 22°/ 11°
0%
Saturday
Sunny
72°22°
0%

Night: Cloudy with a chance of showers. A chance of thunderstorms, mainly this evening. Some thunderstorms may produce heavy rainfall this evening. Some thunderstorms may produce heavy rainfall after midnight. Lows in the upper 60s. South winds around 5 mph. Chance of rain 50 percent.

Paulding, OH

Tonight
Thunderstorms
68°20°
90%
Sunday
Thunderstorms
75°/ 55° 24°/ 13°
80%
Monday
Rain Showers
65°/ 52° 18°/ 11°
40%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Wednesday
Thunderstorms
65°/ 52° 18°/ 11°
50%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
72°/ 48° 22°/
0%
Saturday
Sunny
72°22°
0%

Night: Cloudy with a chance of thunderstorms. A chance of showers this evening, then showers after midnight. Some thunderstorms may produce heavy rainfall. Near steady temperature in the upper 60s. East winds around 5 mph, becoming south after midnight. Chance of rain 90 percent.

Huntington, IN

Tonight
Thunderstorms
70°21°
70%
Sunday
Thunderstorms
78°/ 55° 26°/ 13°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
40%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Wednesday
Thunderstorms
65°/ 52° 18°/ 11°
40%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
72°/ 52° 22°/ 11°
0%
Saturday
Sunny
72°22°
0%

Night: Cloudy with a chance of thunderstorms. A chance of showers this evening, then showers likely after midnight. Some thunderstorms may produce heavy rainfall. Near steady temperature around 70. Southeast winds around 5 mph. Chance of rain 70 percent.

Hartford City, IN

Tonight
Thunderstorms
68°20°
50%
Sunday
Thunderstorms
80°/ 55° 27°/ 13°
70%
Monday
Rain Showers
68°/ 52° 20°/ 11°
50%
Tuesday
Rain Showers
65°/ 55° 18°/ 13°
30%
Wednesday
Thunderstorms
68°/ 52° 20°/ 11°
40%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
72°/ 52° 22°/ 11°
0%
Saturday
Sunny
72°22°
0%

Night: Cloudy with a chance of showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the upper 60s. South winds around 5 mph. Chance of rain 50 percent.

Lima, OH

Tonight
Thunderstorms
65°18°
70%
Sunday
Thunderstorms
78°/ 55° 26°/ 13°
80%
Monday
Rain Showers
68°/ 52° 20°/ 11°
50%
Tuesday
Rain Showers
65°/ 55° 18°/ 13°
50%
Wednesday
Thunderstorms
68°/ 52° 20°/ 11°
60%
Thursday
Rain Showers
68°/ 52° 20°/ 11°
20%
Friday
Cloudy
70°/ 50° 21°/ 10°
0%
Saturday
Sunny
72°22°
0%

Night: Cloudy. A chance of showers and thunderstorms this evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 60s. South winds 5 to 10 mph. Chance of rain 70 percent.

Columbia City, IN

Tonight
Thunderstorms
68°20°
80%
Sunday
Thunderstorms
75°/ 55° 24°/ 13°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
40%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Wednesday
Thunderstorms
65°/ 52° 18°/ 11°
40%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
72°/ 50° 22°/ 10°
0%
Saturday
Sunny
72°22°
0%

Night: Cloudy with a chance of thunderstorms. A chance of showers this evening, then showers after midnight. Some thunderstorms may produce heavy rainfall. Locally heavy rainfall possible after midnight. Near steady temperature in the upper 60s. Southeast winds around 5 mph. Chance of rain 80 percent.

Auburn, IN

Tonight
Thunderstorms
65°18°
90%
Sunday
Thunderstorms
72°/ 52° 22°/ 11°
90%
Monday
Rain Showers
65°/ 50° 18°/ 10°
30%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Wednesday
Thunderstorms
65°/ 52° 18°/ 11°
50%
Thursday
Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
70°/ 50° 21°/ 10°
0%
Saturday
Sunny
72°22°
0%

Night: Cloudy with a chance of thunderstorms. A chance of showers this evening, then showers after midnight. Some thunderstorms may produce heavy rainfall. Near steady temperature in the mid 60s. East winds around 5 mph, becoming south after midnight. Chance of rain 90 percent.

Ottawa, OH

Tonight
Thunderstorms
68°20°
90%
Sunday
Thunderstorms
75°/ 55° 24°/ 13°
80%
Monday
Rain Showers
68°/ 52° 20°/ 11°
40%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
50%
Wednesday
Thunderstorms
65°/ 52° 18°/ 11°
60%
Thursday
Rain Showers
68°/ 52° 20°/ 11°
20%
Friday
Cloudy
72°/ 50° 22°/ 10°
0%
Saturday
Sunny
72°22°
0%

Night: Cloudy. A chance of showers and thunderstorms this evening, then showers with a slight chance of thunderstorms after midnight. Near steady temperature in the upper 60s. South winds around 5 mph. Chance of rain 90 percent.

Defiance, OH

Tonight
Thunderstorms
65°18°
90%
Sunday
Thunderstorms
72°/ 52° 22°/ 11°
80%
Monday
Rain Showers
65°/ 50° 18°/ 10°
30%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Wednesday
Thunderstorms
65°/ 52° 18°/ 11°
50%
Thursday
Mostly Cloudy
68°/ 50° 20°/ 10°
0%
Friday
Cloudy
70°/ 48° 21°/
0%
Saturday
Sunny
72°22°
0%

Night: Cloudy with a chance of thunderstorms. A chance of showers this evening, then showers after midnight. Near steady temperature in the mid 60s. East winds around 5 mph, becoming south after midnight. Chance of rain 90 percent.

Marion, IN

Tonight
Thunderstorms
68°20°
50%
Sunday
Thunderstorms
80°/ 55° 27°/ 13°
70%
Monday
Rain Showers
68°/ 52° 20°/ 11°
50%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Wednesday
Thunderstorms
68°/ 52° 20°/ 11°
40%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
72°/ 52° 22°/ 11°
0%
Saturday
Sunny
72°22°
0%

Night: Cloudy with a chance of showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the upper 60s. South winds around 5 mph. Chance of rain 50 percent.

Kendallville, IN

Tonight
Thunderstorms
68°20°
80%
Sunday
Thunderstorms
72°/ 52° 22°/ 11°
80%
Monday
Rain Showers
65°/ 50° 18°/ 10°
40%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Wednesday
Thunderstorms
65°/ 52° 18°/ 11°
50%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
72°/ 52° 22°/ 11°
0%
Saturday
Sunny
72°22°
0%

Night: Cloudy with a chance of thunderstorms. A chance of showers this evening, then showers after midnight. Some thunderstorms may produce heavy rainfall. Near steady temperature in the upper 60s. Southeast winds around 5 mph. Chance of rain 80 percent.

Wapakoneta, OH

Tonight
Thunderstorms
65°18°
70%
Sunday
Thunderstorms
78°/ 55° 26°/ 13°
80%
Monday
Rain Showers
68°/ 52° 20°/ 11°
50%
Tuesday
Mostly Cloudy
68°/ 55° 20°/ 13°
40%
Wednesday
Thunderstorms
68°/ 55° 20°/ 13°
60%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
72°/ 50° 22°/ 10°
0%
Saturday
Cloudy
72°22°
0%

Night: Mostly cloudy. Showers likely with a chance of thunderstorms this evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 60s. South winds 5 to 10 mph, becoming southwest late. Chance of rain 70 percent.

Winchester, IN

Tonight
Thunderstorms
68°20°
50%
Sunday
Thunderstorms
82°/ 55° 28°/ 13°
70%
Monday
Thunderstorms
68°/ 52° 20°/ 11°
50%
Tuesday
Thunderstorms
68°/ 55° 20°/ 13°
40%
Wednesday
Thunderstorms
68°/ 55° 20°/ 13°
50%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
52°11°
0%
Saturday
Cloudy
52°11°
0%

Night: Mostly cloudy with a chance of showers. A chance of thunderstorms through the late overnight, then a slight chance of thunderstorms toward daybreak. Lows in the upper 60s. East winds 5 to 10 mph. Chance of rain 50 percent.

Greenville, OH

Tonight
Thunderstorms
65°18°
50%
Sunday
Thunderstorms
82°/ 55° 28°/ 13°
80%
Monday
Thunderstorms
68°/ 52° 20°/ 11°
50%
Tuesday
Rain Showers
68°/ 55° 20°/ 13°
40%
Wednesday
Thunderstorms
68°/ 55° 20°/ 13°
50%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
72°/ 52° 22°/ 11°
0%
Saturday
Cloudy
72°22°
0%

Night: Mostly cloudy. A chance of showers and thunderstorms this evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. South winds 5 to 10 mph. Chance of rain 50 percent.

Muncie, IN

Tonight
Thunderstorms
68°20°
50%
Sunday
Thunderstorms
82°/ 58° 28°/ 14°
70%
Monday
Thunderstorms
68°/ 52° 20°/ 11°
50%
Tuesday
Thunderstorms
68°/ 55° 20°/ 13°
40%
Wed Night
Thunderstorms
55°13°
20%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Fri Night
Cloudy
52°11°
0%
Saturday
Cloudy
72°22°
0%

Night: Mostly cloudy with a chance of showers. A chance of thunderstorms through the late overnight, then a slight chance of thunderstorms toward daybreak. Lows in the upper 60s. East winds 5 to 10 mph. Chance of rain 50 percent.

Names listed above may include county names.

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