Widespread Damaging Winds Likely in the Northern Plains; Heat Continues in the Central and Southeast U.S.

Severe thunderstorms, heavy rainfall, and flooding are possible from the northern Rockies into the Upper Midwest. A derecho is likely across portions of the northern Plains, with several gusts expected to exceed 75 mph. Extreme heat is expected to intensify across much of the Southeast and Tennessee Valley, continuing through much of this week. Read More >

Hazardous Weather Conditions

Current conditions at

Delaware Municipal Airport (KDLZ)

Lat: 40.28°NLon: 83.11°WElev: 945ft.

Fair

72°F

22°C

Humidity	100%
Wind Speed	NW 7 mph
Barometer	30.05 in
Dewpoint	72°F (22°C)
Visibility	9.00 mi
Last update	29 Jul 3:15 am EDT

More Information:

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

Extended Forecast for

2 Miles W Radnor OH

Heat Advisory July 29, 11:00am until July 29, 08:00pm

Click here for hazard details and duration

Heat Advisory

Overnight
Low: 72 °F
Patchy Fog
Tuesday
High: 91 °F
Patchy Fog
then Mostly
Sunny
Tuesday Night
Low: 71 °F
Mostly Clear
Wednesday
High: 88 °F
Sunny then
Chance
T-storms
Wednesday Night
Low: 66 °F
Chance
T-storms
Thursday
High: 78 °F
Chance
T-storms
Thursday Night
Low: 60 °F
Partly Cloudy
Friday
High: 77 °F
Sunny
Friday Night
Low: 56 °F
Mostly Clear

Detailed Forecast

Overnight

Patchy fog. Otherwise, mostly cloudy, with a low around 72. Calm wind.

Tuesday

Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming northeast around 6 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 71. Light and variable wind.

Wednesday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 66. Northeast wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Partly cloudy, with a low around 60.

Friday

Sunny, with a high near 77.

Friday Night

Mostly clear, with a low around 56.

Saturday

Sunny, with a high near 78.

Saturday Night

Mostly clear, with a low around 56.

Sunday

Sunny, with a high near 80.