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Pacific Storm System Across the West; Fire Weather Concerns in the Southeast

A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Fire weather concerns will continue into Tuesday across the Mid-South and Southeast as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

York, York Airport (KTHV)

Lat: 39.92°NLon: 76.88°WElev: 479ft.

Fair

30°F

-1°C

Humidity 79%
Wind Speed NA
Barometer 30.34 in (1028.0 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 21 Apr 12:53 am EDT
Extended Forecast for

Jacobus PA

Freeze Warning until April 21, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until April 21, 09:00am

    NOW until 9:00am Tue

    Freeze Warning

  • Overnight

    Low: 27 °F

    Frost

  • Tuesday

    Tuesday: Sunny, with a high near 57. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Isolated showers after 2am. Increasing clouds, with a low around 45. South wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Partly Cloudy
    then Isolated
    Showers

  • Wednesday

    Wednesday: Scattered showers. Mostly cloudy, with a high near 65. South wind around 6 mph becoming west in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Thursday Night

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

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers after 2pm. Mostly sunny, with a high near 72. Chance of precipitation is 30%.

    High: 72 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Overnight
Widespread frost after 5am. Otherwise, clear, with a low around 27. Calm wind.
Tuesday
Sunny, with a high near 57. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
Isolated showers after 2am. Increasing clouds, with a low around 45. South wind 7 to 9 mph. Chance of precipitation is 20%.
Wednesday
Scattered showers. Mostly cloudy, with a high near 65. South wind around 6 mph becoming west in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 48. Calm wind.
Thursday
Sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 51.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 72. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Saturday
Showers likely, mainly after 2pm. Partly sunny, with a high near 66. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.
Monday
A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jacobus PA
 39.88°N 76.71°W (Elev. 650 ft)
Last Update:
12:41 am EDT Apr 21, 2026
Forecast Valid:
1am EDT Apr 21, 2026-6pm EDT Apr 27, 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