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Dangerous Heat Wave from the Midwest to East Coast

A large ridge of high pressure extending from the Central to Eastern U.S. will deliver a dangerous summer heat wave through the weekend. Widespread excessive heat warnings and heat advisories already cover the Eastern two-thirds of the country. A number of record highs and overnight warm minimum temperatures are likely. Heat indices will surge past 100 degrees and approach the 110s. Heat Safety! Read More >

Hazardous Weather Conditions

Current conditions at

Muir Army Air Field / Indiantown (KMUI)

Lat: 40.44°NLon: 76.56°WElev: 476ft.

Fog/Mist

23°C

74°F

Humidity 98%
Wind Speed Calm
Barometer 1013.4 mb (29.93 in)
Dewpoint 23°C (73°F)
Visibility 1.82 km
Last update 19 Jul 5:56 am EDT
Extended Forecast for

Sand Hill PA

Excessive Heat Warning July 19, 12:00pm until July 21, 08:00pm
Click here for hazard details and duration
Excessive Heat Warning

  • Today

    Today: Mostly sunny and hot, with a high near 34. Heat index values as high as 42. Light and variable wind becoming southwest 8 to 13 km/h in the morning.

    Hot

    High: 34 °C

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Southwest wind 8 to 10 km/h.

    Partly Cloudy

    Low: 26 °C

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 36. Heat index values as high as 43. West wind 8 to 11 km/h.

    Hot

    High: 36 °C

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 24. West wind 5 to 8 km/h.

    Partly Cloudy

    Low: 24 °C

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 34. West wind 5 to 11 km/h. Chance of precipitation is 40%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Mostly Sunny
    then Chance
    T-storms

    High: 34 °C

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 22. Chance of precipitation is 40%. New rainfall amounts between 2.5 and 5 mm possible.

    Chance
    T-storms

    Low: 22 °C

  • Monday

    Monday: Scattered showers. Mostly cloudy, with a high near 29. Chance of precipitation is 50%.

    Scattered
    Showers

    High: 29 °C

  • Monday
    Night

    Monday Night: Scattered showers, mainly before 2am. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.

    Scattered
    Showers

    Low: 18 °C

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27.

    Mostly Sunny

    High: 27 °C

Detailed Forecast

Today
Mostly sunny and hot, with a high near 34. Heat index values as high as 42. Light and variable wind becoming southwest 8 to 13 km/h in the morning.
Tonight
Partly cloudy, with a low around 26. Southwest wind 8 to 10 km/h.
Saturday
Mostly sunny and hot, with a high near 36. Heat index values as high as 43. West wind 8 to 11 km/h.
Saturday Night
Partly cloudy, with a low around 24. West wind 5 to 8 km/h.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 34. West wind 5 to 11 km/h. Chance of precipitation is 40%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 22. Chance of precipitation is 40%. New rainfall amounts between 2.5 and 5 mm possible.
Monday
Scattered showers. Mostly cloudy, with a high near 29. Chance of precipitation is 50%.
Monday Night
Scattered showers, mainly before 2am. Mostly cloudy, with a low around 18. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 27.
Tuesday Night
Partly cloudy, with a low around 16.
Wednesday
Sunny, with a high near 28.
Wednesday Night
Mostly clear, with a low around 17.
Thursday
Sunny, with a high near 29.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Sand Hill PA
 40.36°N 76.42°W (Elev. 182 m)
Last Update:
5:47 am EDT Jul 19, 2019
Forecast Valid:
6am EDT Jul 19, 2019-6pm EDT Jul 25, 2019
 
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