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

Severe Thunderstorms and Heavy Rainfall Today from the Central Plains into the Tennessee Valley

Severe thunderstorms capable of damaging winds will be possible from the Ozark Plateau east into portions of the Southeast today. Rounds of heavy thunderstorms ahead of a slow moving front will continue locally heavy rainfall and scattered flash flooding potential from the Ozarks to the Ohio and Tennessee Valleys today. Read More >

Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Mostly Cloudy

70°F

21°C

Humidity 84%
Wind Speed Calm
Barometer 30.09 in (1019.0 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 12 Jul 5:56 am EDT
Extended Forecast for

4 Miles W Lawn PA

  • Today

    Today: Mostly sunny, with a high near 85. Northeast wind 5 to 8 mph becoming southeast in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 62. South wind 5 to 8 mph becoming calm after midnight.

    Low: 62 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 84. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 63. South wind around 6 mph becoming calm after midnight.

    Low: 63 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 85. Northeast wind 5 to 8 mph becoming southeast in the afternoon.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 62. South wind 5 to 8 mph becoming calm after midnight.
Monday
Sunny, with a high near 84. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Monday Night
Clear, with a low around 63. South wind around 6 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 91. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 89.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Lawn PA
 40.21°N 76.62°W (Elev. 489 ft)
Last Update:
6:11 am EDT Jul 12, 2026
Forecast Valid:
6am EDT Jul 12, 2026-6pm EDT Jul 18, 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