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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Hazardous Weather Conditions

Current conditions at

York, York Airport (KTHV)

Lat: 39.92°NLon: 76.88°WElev: 479ft.

A Few Clouds

63°F

17°C

Humidity 65%
Wind Speed SW 12 G 23 mph
Barometer 29.27 in (991.3 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 16 Nov 1:53 am EST
Extended Forecast for

5 Miles SSE Littlestown PA

Wind Advisory November 16, 09:00am until November 16, 06:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 48. West wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 53. Breezy, with a northwest wind 15 to 24 mph, with gusts as high as 45 mph.

    High: 53 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A slight chance of rain and snow showers before 3am, then a slight chance of snow showers between 3am and 4am. Mostly clear, with a low around 34. West wind 10 to 16 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Mostly Clear
    then Slight
    Chance
    Rain/Snow

  • Monday

    Monday: Mostly sunny, with a high near 46. Northwest wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. West wind 3 to 6 mph.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of rain after 1pm. Partly sunny, with a high near 47. Chance of precipitation is 20%.

    High: 47 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 1am. Cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Rain Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 48. West wind 10 to 13 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 53. Breezy, with a northwest wind 15 to 24 mph, with gusts as high as 45 mph.
Sunday Night
A slight chance of rain and snow showers before 3am, then a slight chance of snow showers between 3am and 4am. Mostly clear, with a low around 34. West wind 10 to 16 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 46. Northwest wind 10 to 16 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 28. West wind 3 to 6 mph.
Tuesday
A slight chance of rain after 1pm. Partly sunny, with a high near 47. Chance of precipitation is 20%.
Tuesday Night
Rain likely, mainly before 1am. Cloudy, with a low around 37. Chance of precipitation is 60%.
Wednesday
Mostly cloudy, with a high near 50.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Thursday
Mostly cloudy, with a high near 55.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 44. Chance of precipitation is 40%.
Friday
A chance of rain. Mostly cloudy, with a high near 61. Chance of precipitation is 40%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.
Saturday
A chance of rain. Partly sunny, with a high near 58. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Littlestown PA
 39.69°N 77.03°W (Elev. 748 ft)
Last Update:
1:36 am EST Nov 16, 2025
Forecast Valid:
2am EST Nov 16, 2025-6pm EST Nov 22, 2025
 
Forecast Discussion
 
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Additional Resources

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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