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

Neil Armstrong Airport (KAXV)

Lat: 40.49° N Lon: 84.3° W Elev: 912 ft.

Mostly Cloudy

73°F

23°C

Humidity 89%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 17 Aug 9:55 pm EDT
Detailed forecast for

Mercer County

Tonight
Partly cloudy, then becoming mostly clear after midnight. A slight chance of showers and thunderstorms this evening. Lows in the lower 60s. North winds 5 to 10 mph, becoming northeast after midnight. Chance of rain 20 percent.
Monday
Partly cloudy in the morning, then clearing. Highs in the mid 80s. East winds around 5 mph.
Monday Night
Mostly clear. Lows in the lower 60s. East winds around 5 mph.
Tuesday
Mostly sunny with a slight chance of showers in the morning, then partly cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 80s. South winds around 5 mph, becoming southwest around 5 mph in the afternoon. Chance of rain 40 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. Muggy. Lows in the upper 60s. West winds around 5 mph. Chance of rain 40 percent.
Wednesday
Partly cloudy. A chance of showers in the morning. Highs in the lower 80s. Chance of rain 30 percent.
Wednesday Night
Partly cloudy. Lows in the mid 60s.
Thursday
Partly cloudy. Highs in the lower 80s.
Thursday Night
Clear. Lows in the lower 60s.
Friday
Sunny. Highs in the mid 80s.
Friday Night
Mostly clear. Lows in the lower 60s.
Saturday
Mostly sunny. Highs in the mid 80s.
Saturday Night
Mostly clear. Lows in the upper 50s.
Sunday
Mostly sunny. Highs in the upper 70s.



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635 PM EDT Sun Aug 17 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database