Areas of Dangerous Heat and Heavy Rainfall Today

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley today. Heat Advisories remain in effect. Heavy to excessive rainfall today could bring areas of flooding to parts of the northern High Plains and Midwest into the Ohio Valley. Flood Watches remain in effect. Read More >

Current conditions at

Dayton, Cox Dayton International Airport (KDAY)

Lat: 39.91° N Lon: 84.22° W Elev: 1007 ft.

Mostly Cloudy

82°F

28°C

Humidity 67%
Wind Speed E 3 mph
Barometer 29.89 in (1011.4 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 20 Sep 4:56 pm EDT
Detailed forecast for

Montgomery County

Tonight
Showers with a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the lower 60s. Northeast winds 10 to 15 mph. Chance of rain 100 percent.
Monday
Mostly cloudy. Showers likely, mainly in the morning. Cooler with highs around 70. Northeast winds 10 to 15 mph. Chance of rain 70 percent.
Monday Night
Mostly cloudy. Lows in the mid 50s. Northeast winds 10 to 15 mph.
Tuesday
Mostly cloudy. Highs around 70. Northeast winds 10 to 15 mph.
Tuesday Night
Mostly cloudy. Lows in the mid 50s. Northeast winds 10 to 15 mph.
Wednesday
Mostly cloudy. Highs in the upper 60s.
Wednesday Night
Mostly cloudy. Lows in the mid 50s.
Thursday
Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 60s.
Thursday Night
Partly cloudy. Lows in the lower 50s.
Friday
Partly cloudy. Highs in the upper 60s.
Friday Night
Mostly clear. Lows around 50.
Saturday
Mostly sunny. Highs in the lower 70s.
Saturday Night
Mostly clear. Lows in the lower 50s.
Sunday
Partly cloudy. Highs in the mid 70s.



Basemap Options
Click map to change the forecast location
Loading map...
406 PM EDT Sun Sep 20 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database