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

Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fair

57°F

14°C

Humidity 60%
Wind Speed SW 3 mph
Barometer 29.94 in (1014.0 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 13 May 6:56 am EDT
Extended Forecast for

Marysville PA

  • Today

    Today: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 69. South wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 2am. Low around 48. South wind 5 to 9 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 60. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 60 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48. Northwest wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70. Northwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 69. South wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 2am. Low around 48. South wind 5 to 9 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Partly sunny, with a high near 60. Northwest wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 48. Northwest wind 10 to 14 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 70. Northwest wind 9 to 14 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny and hot, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marysville PA
 40.35°N 76.94°W (Elev. 804 ft)
Last Update:
6:46 am EDT May 13, 2026
Forecast Valid:
7am EDT May 13, 2026-6pm EDT May 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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