National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Flooding Possible in the Southwest U.S.; Coastal Storm to Impact the East

Heavy to excessive rainfall is expected today into Wednesday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. A strong coastal storm will develop off the Mid-Atlantic coast Wednesday, intensifying toward southern New England this weekend. Significant coastal flooding, strong rip currents, and beach erosion from high surf expected. Read More >

Current conditions at

New Castle Municipal Airport (KUCP)

Lat: 41.02°NLon: 80.42°WElev: 1072ft.

Overcast

56°F

13°C

Humidity 87%
Wind Speed Vrbl 6 mph
Barometer 30.32 in (1028.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 23 Sep 1:56 am EDT
Extended Forecast for

3 Miles S Mercer PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 51. East wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 51 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 65. East wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 65 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47. East wind 6 to 8 mph.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68. East wind 8 to 10 mph.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. Calm wind becoming northeast around 5 mph after midnight.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 51. East wind 6 to 10 mph, with gusts as high as 21 mph.
Wednesday
Partly sunny, with a high near 65. East wind 11 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 47. East wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 68. East wind 8 to 10 mph.
Thursday Night
Mostly clear, with a low around 43. Calm wind becoming northeast around 5 mph after midnight.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Mercer PA
 41.18°N 80.23°W (Elev. 1083 ft)
Last Update:
2:21 am EDT Sep 23, 2026
Forecast Valid:
2am EDT Sep 23, 2026-6pm EDT Sep 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation