Critical Fire Weather Threats in the West; Storms in the High Plains; Flash Flood Risk in the Mid-Atlantic

Critical fire weather conditions persist across portions of the Northwest, Northern Rockies and Great Basin. Severe thunderstorms with large hail and a few strong gusts are possible across parts of the northern and central Plains. Heavy rainfall brings a flash flooding risk to the Mid-Atlantic. Heat builds in the Southwest into California this week. Read More >

Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Fair

76°F

24°C

Humidity 85%
Wind Speed Calm
Barometer 29.97 in (1014.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 11 Aug 11:53 pm EDT
Extended Forecast for

Columbia PA

  • Overnight

    Overnight: Isolated showers and thunderstorms before 2am.  Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 72. Light south wind.  Chance of precipitation is 20%.

    Isolated
    T-storms and
    Patchy Fog

    Low: 72 °F

  • Wednesday

    Wednesday: Isolated showers, then showers and thunderstorms likely after noon.  Patchy fog before 8am.  Otherwise, partly sunny, with a high near 88. Light north wind.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Isolated
    Showers and
    Patchy Fog
    then T-storms
    Likely

    High: 88 °F

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms likely before 8pm, then a chance of showers.  Mostly cloudy, with a low around 70. Calm wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely then
    Chance
    Showers

    Low: 70 °F

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 85. Light northeast wind.  Chance of precipitation is 40%.

    Chance
    Showers

    High: 85 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 70. Light east wind.  Chance of precipitation is 30%.

    Chance
    Showers

    Low: 70 °F

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 85. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Slight Chance
    Showers then
    Chance
    Showers

    High: 85 °F

  • Friday
    Night

    Friday Night: A chance of showers before 8pm.  Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

    Chance
    Showers then
    Mostly Cloudy

    Low: 69 °F

  • Saturday

    Saturday: Mostly cloudy, with a high near 82.

    Mostly Cloudy

    High: 82 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 67.

    Mostly Cloudy

    Low: 67 °F

Detailed Forecast

Overnight
Isolated showers and thunderstorms before 2am. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 72. Light south wind. Chance of precipitation is 20%.
Wednesday
Isolated showers, then showers and thunderstorms likely after noon. Patchy fog before 8am. Otherwise, partly sunny, with a high near 88. Light north wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 8pm, then a chance of showers. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 85. Light northeast wind. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Light east wind. Chance of precipitation is 30%.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 82.
Saturday Night
Mostly cloudy, with a low around 67.
Sunday
A chance of showers after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Monday Night
A chance of thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 83.
Click Map For Forecast
Point Forecast:
Columbia PA
 40.04°N 76.51°W (Elev. 299 ft)
11:04 pm EDT Aug 11, 2020
12am EDT Aug 12, 2020-6pm EDT Aug 17, 2020
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database