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 >

Current conditions at

York, York Airport (KTHV)

Lat: 39.92°NLon: 76.88°WElev: 479ft.

Fair

57°F

14°C

Humidity 62%
Wind Speed S 8 mph
Barometer 30.05 in (1017.7 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 12 May 11:53 pm EDT
Extended Forecast for

Littlestown PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 53. South wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 72. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Isolated
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 49. South wind 5 to 7 mph becoming light and variable in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 63. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48. Northwest wind 7 to 9 mph.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 53. South wind 7 to 10 mph, with gusts as high as 21 mph.
Wednesday
Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 72. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 49. South wind 5 to 7 mph becoming light and variable in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Mostly sunny, with a high near 63. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 48. Northwest wind 7 to 9 mph.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Sunny, with a high near 90.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Littlestown PA
 39.74°N 77.08°W (Elev. 600 ft)
Last Update:
10:51 pm EDT May 12, 2026
Forecast Valid:
12am 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