Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Delaware Municipal Airport (KDLZ)

Lat: 40.28° N Lon: 83.11° W Elev: 945 ft.

Fair

64°F

18°C

Humidity 94%
Wind Speed N 5 mph
Barometer 30.12 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 18 Aug 6:55 am EDT
Detailed forecast for

Delaware County

Today
Mostly sunny. Highs in the mid 80s. Northeast winds around 5 mph.
Tonight
Clear. Lows around 60. Northeast winds 5 to 10 mph, becoming east after midnight.
Tuesday
Mostly sunny. A slight chance of showers in the afternoon. Highs in the upper 80s. Southeast winds around 5 mph, becoming southwest around 5 mph in the afternoon. Chance of rain 20 percent.
Tuesday Night
Partly cloudy. A chance of showers and thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Southwest winds around 5 mph. Chance of rain 30 percent.
Wednesday
Partly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. Northwest winds 5 to 10 mph. Chance of rain 30 percent.
Wednesday Night
Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 60s. Chance of rain 30 percent.
Thursday
Partly cloudy. Highs in the mid 80s.
Thursday Night
Clear. Lows in the lower 60s.
Friday
Sunny. Highs in the mid 80s.
Friday Night
Clear. Lows in the lower 60s.
Saturday
Mostly sunny. Highs in the mid 80s.
Saturday Night
Mostly clear. Lows around 60.
Sunday
Mostly sunny. Highs around 80.



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404 AM EDT Mon Aug 18 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database