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

Van Wert County Airport (KVNW)

Lat: 40.86°NLon: 84.61°WElev: 787ft.

Fair

70°F

21°C

Humidity 73%
Wind Speed S 8 mph
Barometer 29.97 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 18 May 12:15 am EDT
Extended Forecast for

Decatur IN

  • Overnight

    Overnight: Mostly clear, with a low around 66. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 86. South wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 86 °F

    Sunny then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 67. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 67 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm after 2pm. High near 85. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Sunny then
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 57. Southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers before 8am. Partly sunny, with a high near 67.

    High: 67 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 66. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 86. South wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 67. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Tuesday
Showers and possibly a thunderstorm after 2pm. High near 85. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 57. Southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 30 percent chance of showers before 8am. Partly sunny, with a high near 67.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 48.
Friday
A 30 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 72.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 56.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur IN
 40.83°N 84.93°W (Elev. 778 ft)
Last Update:
1:16 am EDT May 18, 2026
Forecast Valid:
2am EDT May 18, 2026-6pm EDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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