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

Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to 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.

Mostly Cloudy

49°F

9°C

Humidity 38%
Wind Speed NW 17 G 24 mph
Barometer 30.19 in (1022.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 20 Apr 1:53 pm EDT
Extended Forecast for

Willow Street PA

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

  • This Afternoon

    This Afternoon: A slight chance of showers. Mostly sunny, with a high near 52. Northwest wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 52 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Widespread frost after 2am. Otherwise, mostly clear, with a low around 28. North wind 5 to 7 mph becoming calm after midnight.

    Low: 28 °F

    Partly Cloudy
    then Frost

  • Tuesday

    Tuesday: Widespread frost before 9am. Otherwise, sunny, with a high near 56. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 56 °F

    Frost then
    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Increasing clouds, with a low around 43. South wind 7 to 9 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 68. South wind around 7 mph becoming northwest in the afternoon. Chance of precipitation is 40%.

    High: 68 °F

    Chance
    Showers

  • Wednesday Night

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

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers. Mostly sunny, with a high near 52. Northwest wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
Widespread frost after 2am. Otherwise, mostly clear, with a low around 28. North wind 5 to 7 mph becoming calm after midnight.
Tuesday
Widespread frost before 9am. Otherwise, sunny, with a high near 56. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
A chance of showers after 2am. Increasing clouds, with a low around 43. South wind 7 to 9 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 68. South wind around 7 mph becoming northwest in the afternoon. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 73.
Friday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Saturday
Showers likely. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
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:
Willow Street PA
 39.99°N 76.25°W (Elev. 390 ft)
Last Update:
2:05 pm EDT Apr 20, 2026
Forecast Valid:
2pm 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