Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Dayton, Cox Dayton International Airport (KDAY)

Lat: 39.91°NLon: 84.22°WElev: 1007ft.

Mostly Cloudy

62°F

17°C

Humidity	75%
Wind Speed	SW 5 mph
Barometer	29.74 in (1006.6 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	17 Jun 1:56 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Vandalia OH

Overnight
Low: 57 °F
Partly Cloudy
Wednesday
High: 80 °F
Partly Sunny
then Chance
T-storms
Wednesday Night
Low: 69 °F
Breezy.
Chance
T-storms then
Heavy Rain
Thursday
High: 79 °F
Breezy.
Chance
Showers then
Mostly Sunny
Thursday Night
Low: 59 °F
Partly Cloudy
Juneteenth
High: 77 °F
Sunny
Friday Night
Low: 57 °F
Mostly Clear
Saturday
High: 79 °F
Sunny
Saturday Night
Low: 61 °F
Partly Cloudy

Detailed Forecast

Overnight

Partly cloudy, with a low around 57. Southwest wind around 8 mph.

Wednesday

A chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 80. Southwest wind 6 to 11 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms before midnight, then showers and possibly a thunderstorm between midnight and 4am, then a chance of showers and thunderstorms after 4am. Some of the storms could produce heavy rainfall. Low around 69. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Thursday

A chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 79. Breezy, with a west wind 17 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

Partly cloudy, with a low around 59. Northwest wind 5 to 10 mph.

Juneteenth

Sunny, with a high near 77.

Friday Night

Mostly clear, with a low around 57.

Saturday

Sunny, with a high near 79.

Saturday Night

Partly cloudy, with a low around 61.

Sunday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 40%.