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

Fire Weather Concerns in the Southern Plains and Southeast; Pacific System to Bring Unsettled Weather to the West Coast

Gusty winds and dry conditions will continue to bring elevated to critical fire weather conditions to the southern Plains and Southeast early this week. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to northern and central California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Fair

40°F

4°C

Humidity 65%
Wind Speed W 5 mph
Barometer 30.11 in (1019.7 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 20 Apr 1:53 am EDT
Extended Forecast for

Mount Joy PA

Freeze Warning April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Overnight

    Overnight: Isolated showers. Partly cloudy, with a low around 38. Light west wind. Chance of precipitation is 20%.

    Low: 38 °F

    Isolated
    Showers

  • Monday

    Monday: Partly sunny, with a high near 52. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 52 °F

    Partly Sunny

  • Monday Night

    Monday Night: Widespread frost after 3am. Otherwise, mostly clear, with a low around 29. Northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 29 °F

    Partly Cloudy
    then 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: A chance of showers after 2am. Mostly cloudy, with a low around 43. South wind around 7 mph. Chance of precipitation is 40%.

    Low: 43 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 40%.

    High: 69 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Overnight
Isolated showers. Partly cloudy, with a low around 38. Light west wind. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 52. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.
Monday Night
Widespread frost after 3am. Otherwise, mostly clear, with a low around 29. Northwest wind 5 to 7 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 57. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 43. South wind around 7 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 74.
Friday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 50%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Sunday
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:
Mount Joy PA
 40.1°N 76.49°W (Elev. 312 ft)
Last Update:
2:21 am EDT Apr 20, 2026
Forecast Valid:
2am EDT Apr 20, 2026-6pm EDT Apr 26, 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