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

Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. Read More >

Current conditions at

Dayton, Dayton-Wright Brothers Airport (KMGY)

Lat: 39.59°NLon: 84.22°WElev: 958ft.

Overcast

57°F

14°C

Humidity 90%
Wind Speed NE 8 mph
Barometer 30.10 in (1019.0 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 21 Sep 10:53 pm EDT
Extended Forecast for

3 Miles NW Waynesville OH

  • Tonight

    Tonight: Patchy drizzle. Mostly cloudy, with a low around 57. Northeast wind 9 to 11 mph.

    Low: 57 °F

    Patchy
    Drizzle

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 68. Northeast wind around 11 mph.

    High: 68 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 58. Northeast wind 7 to 11 mph. Chance of precipitation is 20%.

    Low: 58 °F

    Cloudy then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly before 7am. Mostly cloudy, with a high near 67. Northeast wind 8 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 57. East wind 10 to 13 mph.

    Low: 57 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy drizzle. Mostly cloudy, with a low around 57. Northeast wind 9 to 11 mph.
Tuesday
Mostly cloudy, with a high near 68. Northeast wind around 11 mph.
Tuesday Night
A slight chance of showers before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 58. Northeast wind 7 to 11 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers, mainly before 7am. Mostly cloudy, with a high near 67. Northeast wind 8 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 57. East wind 10 to 13 mph.
Thursday
Partly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Waynesville OH
 39.57°N 84.14°W (Elev. 997 ft)
Last Update:
7:04 pm EDT Sep 21, 2026
Forecast Valid:
11pm EDT Sep 21, 2026-6pm EDT Sep 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