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

Heavy Rain in the Ohio and Tennessee Valleys; Watching for Tropical Cyclone Development in the Atlantic

Heavy to excessive rainfall may bring areas of flash and urban flooding over portions of the Ohio and Tennessee Valleys. Two tropical waves in the Atlantic are being monitored for tropical cyclone formation within the next few days. One tropical wave will bring periods of heavy rain, thunderstorms, flood risk, and landslides to Puerto Rico and the US Virgin Islands through Friday morning. Read More >

Current conditions at

Delaware Municipal Airport (KDLZ)

Lat: 40.28°NLon: 83.11°WElev: 945ft.

Light Drizzle Fog/Mist

66°F

19°C

Humidity 100%
Wind Speed SW 8 mph
Barometer 29.98 in
Dewpoint 66°F (19°C)
Visibility 2.00 mi
Last update 24 Sep 10:15 am EDT
Extended Forecast for

Delaware OH

  • Today

    Today: Showers, with thunderstorms also possible after 11am. High near 72. East wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms. Cloudy, with a low around 61. North wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 75. Northwest wind 6 to 9 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 75 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers. Partly cloudy, with a low around 53. Northwest wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers after 2pm. Mostly sunny, with a high near 77. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 77 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Showers, with thunderstorms also possible after 11am. High near 72. East wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms. Cloudy, with a low around 61. North wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers. Mostly cloudy, with a high near 75. Northwest wind 6 to 9 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 53. Northwest wind 3 to 6 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers after 2pm. Mostly sunny, with a high near 77. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 53.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Delaware OH
 40.29°N 83.08°W (Elev. 899 ft)
Last Update:
5:39 am EDT Sep 24, 2025
Forecast Valid:
10am EDT Sep 24, 2025-6pm EDT Sep 30, 2025
 
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