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

Wet and Cool in the East this Memorial Day Weekend; Well Above Normal Temperatures in the Northern Plains

A wet Memorial Day weekend is in store for the East, with widespread rainfall of 1 to more than 2 inches expected from the Gulf Coast to southern New England. Well above normal temperatures are forecast to build across the northern Plains. Another round of heavy to excessive rainfall is expected to impact the western Gulf Coast this weekend with Flood Watches in effect. Read More >

Current conditions at

Van Wert County Airport (KVNW)

Lat: 40.86°NLon: 84.61°WElev: 787ft.

Partly Cloudy

55°F

13°C

Humidity 77%
Wind Speed E 14 G 21 mph
Barometer 30.14 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 22 May 8:55 am EDT
Extended Forecast for

Decatur IN

  • Today

    Today: A 10 percent chance of showers after 5pm. Mostly cloudy, with a high near 68. East wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 68 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Showers, with thunderstorms also possible after 2am. Low around 55. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms, mainly between 11am and 4pm. Cloudy, with a high near 72. East wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm after midnight.

    Low: 55 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 79. Calm wind becoming southwest around 5 mph. Chance of precipitation is 70%.

    High: 79 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Memorial Day

    Memorial Day: A slight chance of showers between 8am and 2pm. Partly sunny, with a high near 80. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

Detailed Forecast

Today
A 10 percent chance of showers after 5pm. Mostly cloudy, with a high near 68. East wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Showers, with thunderstorms also possible after 2am. Low around 55. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms, mainly between 11am and 4pm. Cloudy, with a high near 72. East wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm after midnight.
Sunday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 79. Calm wind becoming southwest around 5 mph. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Memorial Day
A slight chance of showers between 8am and 2pm. Partly sunny, with a high near 80. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 83.
Tuesday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 62.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur IN
 40.83°N 84.93°W (Elev. 778 ft)
Last Update:
7:44 am EDT May 22, 2026
Forecast Valid:
9am EDT May 22, 2026-6pm EDT May 28, 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