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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Hazardous Weather Conditions

Current conditions at

Dayton / Wright-Patterson Air Force Base (KFFO)

Lat: 39.83°NLon: 84.05°WElev: 823ft.

Mostly Cloudy

74°F

23°C

Humidity 86%
Wind Speed NE 6 mph
Barometer 30.16 in (1020.9 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 18 Sep 2:55 am EDT
Extended Forecast for

New Carlisle OH

Flood Watch until September 18, 12:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until September 18, 12:00pm

    NOW until 12:00pm Fri

    Flood Watch

  • Overnight

    Low: 69 °F

    Heavy Rain

  • Friday

    Friday: A chance of showers, mainly before 7am. Mostly cloudy, with a high near 77. Northeast wind around 9 mph. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.

    High: 77 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. East wind 6 to 9 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 82. East wind around 6 mph becoming south in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Low around 67. Southeast wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 2pm. High near 82. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms after 4am. Some of the storms could produce heavy rainfall. Cloudy, with a low around 69. Light northeast wind. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A chance of showers, mainly before 7am. Mostly cloudy, with a high near 77. Northeast wind around 9 mph. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Mostly clear, with a low around 59. East wind 6 to 9 mph.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 82. East wind around 6 mph becoming south in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Low around 67. Southeast wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers, with thunderstorms also possible after 2pm. High near 82. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Monday Night
Showers likely, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 71. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Thursday
Mostly cloudy, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
New Carlisle OH
 39.91°N 84.04°W (Elev. 899 ft)
Last Update:
2:16 am EDT Sep 18, 2026
Forecast Valid:
3am EDT Sep 18, 2026-6pm EDT Sep 24, 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