Showers and Thunderstorms from the Southern Plains into the Ohio Valley; Record Warmth in the Central U.S.

Heavy rain and widely scattered severe storms are expected over portions of the central and southern Plains into the Ohio Valley. Unseasonable warmth will continue for a few more days across the Midwest, Southeast, and Mid-Atlantic where several daily record highs could fall. Read More >

Hazardous Weather Conditions

Current conditions at

New Castle Municipal Airport (KUCP)

Lat: 41.02°NLon: 80.42°WElev: 1072ft.

Fair

53°F

12°C

Humidity 86%
Wind Speed NE 8 mph
Barometer 30.21 in (1024.6 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 15 Oct 8:56 am EDT
Extended Forecast for

Mercer PA

  • Today

    Today: Sunny early, then becoming mostly cloudy, with a high near 70. Southeast wind around 7 mph.

    High: 70 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then scattered showers and thunderstorms after 4am.  Low around 61. Southeast wind 7 to 14 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Scattered
    Showers then
    Showers

  • Friday

    Friday: Showers and thunderstorms before 2pm, then showers likely.  Temperature falling to around 57 by 5pm. West wind 15 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F⇓

    Showers

  • Friday Night

    Friday Night: Showers likely before 2am.  Mostly cloudy, with a low around 36. North wind around 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 50. North wind 13 to 15 mph.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 3am.  Otherwise, mostly clear, with a low around 31.

    Low: 31 °F

    Frost

  • Sunday

    Sunday: Widespread frost before 8am.  Otherwise, sunny, with a high near 60.

    High: 60 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Sunny early, then becoming mostly cloudy, with a high near 70. Southeast wind around 7 mph.
Tonight
Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then scattered showers and thunderstorms after 4am. Low around 61. Southeast wind 7 to 14 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms before 2pm, then showers likely. Temperature falling to around 57 by 5pm. West wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely before 2am. Mostly cloudy, with a low around 36. North wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 50. North wind 13 to 15 mph.
Saturday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 31.
Sunday
Widespread frost before 8am. Otherwise, sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Mercer PA
 41.23°N 80.25°W (Elev. 1234 ft)
7:46 am EDT Oct 15, 2026
9am EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
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Additional Resources

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Hourly Weather Forecast

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