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.

Mostly Cloudy

79°F

26°C

Humidity 52%
Wind Speed SE 5 mph
Barometer 30.00 in (1015.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 3 Aug 4:54 pm EDT
Extended Forecast for

Decatur IN

  • Tonight

    Tonight: Mostly clear, with a low around 56. Northeast wind around 5 mph becoming calm.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Calm wind becoming southeast around 5 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 58. Calm wind.

    Low: 58 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Calm wind becoming southwest around 5 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.

    High: 81 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 56. Northeast wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 80. Calm wind becoming southeast around 5 mph.
Tuesday Night
Clear, with a low around 58. Calm wind.
Wednesday
Sunny, with a high near 82. Calm wind becoming southwest around 5 mph.
Wednesday Night
Partly cloudy, with a low around 63. Calm wind.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81.
Friday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Saturday
A slight chance of showers before 8am, then a slight chance of showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 20%.
Saturday Night
A 10 percent chance of showers. Partly cloudy, with a low around 65.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Sunday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 67.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur IN
 40.83°N 84.96°W (Elev. 797 ft)
Last Update:
3:00 pm EDT Aug 3, 2026
Forecast Valid:
5pm EDT Aug 3, 2026-6pm EDT Aug 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation