National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Fort Wayne International Airport (KFWA)

Lat: 40.97°NLon: 85.21°WElev: 797ft.

Light Rain

64°F

18°C

Humidity 81%
Wind Speed E 13 mph
Barometer 29.85 in (1010.6 mb)
Dewpoint 58°F (14°C)
Visibility 8.00 mi
Last update 21 Jun 8:54 pm EDT
Extended Forecast for

Decatur IN

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 57. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 57 °F

    Showers

  • Monday

    Monday: Showers likely, mainly before 1pm. Cloudy, with a high near 72. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. North wind 5 to 10 mph.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 76. Northwest wind around 5 mph.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. Northwest wind around 5 mph becoming calm.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78.

    High: 78 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly after 8pm. Partly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Low around 57. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers likely, mainly before 1pm. Cloudy, with a high near 72. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Partly cloudy, with a low around 54. North wind 5 to 10 mph.
Tuesday
Sunny, with a high near 76. Northwest wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 55. Northwest wind around 5 mph becoming calm.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly after 8pm. Partly cloudy, with a low around 62.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Friday
A slight chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur IN
 40.85°N 84.93°W (Elev. 778 ft)
Last Update:
9:18 pm EDT Jun 21, 2026
Forecast Valid:
9pm EDT Jun 21, 2026-6pm EDT Jun 28, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation