Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Dayton, Dayton-Wright Brothers Airport (KMGY)

Lat: 39.59°NLon: 84.22°WElev: 958ft.

Overcast

67°F

19°C

Humidity 87%
Wind Speed E 6 mph
Barometer 30.06 in (1017.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 19 Sep 4:53 am EDT
Extended Forecast for

Dayton General Airport South Airport OH

  • Today

    Today: A chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm.  Partly sunny, with a high near 85. East wind around 7 mph becoming south in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Partly Sunny
    then Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms between 11pm and 2am, then a slight chance of showers.  Mostly cloudy, with a low around 68. Southeast wind around 7 mph becoming southwest after midnight.  Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 4pm.  Partly sunny, with a high near 84. Southwest wind around 8 mph becoming west in the afternoon.  Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 60. Northeast wind 10 to 13 mph.  Chance of precipitation is 50%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly before 2pm.  Mostly cloudy, with a high near 70. Northeast wind around 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 70 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 56. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 69.

    High: 69 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am.  Mostly cloudy, with a low around 58. Chance of precipitation is 40%.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers.  Mostly cloudy, with a high near 69. Chance of precipitation is 50%.

    High: 69 °F

    Chance
    Showers

Detailed Forecast

Today
A chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 85. East wind around 7 mph becoming south in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A chance of showers and thunderstorms between 11pm and 2am, then a slight chance of showers. Mostly cloudy, with a low around 68. Southeast wind around 7 mph becoming southwest after midnight. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 84. Southwest wind around 8 mph becoming west in the afternoon. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Northeast wind 10 to 13 mph. Chance of precipitation is 50%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 70. Northeast wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly cloudy, with a high near 69.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 50%.
Wednesday Night
Mostly cloudy, with a low around 57.
Thursday
Mostly cloudy, with a high near 69.
Thursday Night
Mostly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Dayton General Airport South Airport OH
 39.59°N 84.22°W (Elev. 974 ft)
4:00 am EDT Sep 19, 2026
5am EDT Sep 19, 2026-6pm EDT Sep 25, 2026
 
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Additional Resources

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