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

Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Muir Army Air Field / Indiantown (KMUI)

Lat: 40.44°NLon: 76.56°WElev: 476ft.

Overcast

72°F

22°C

Humidity 93%
Wind Speed Calm
Barometer 29.91 in (1012.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 5 Jul 1:55 am EDT
Extended Forecast for

Reinerton-Orwin-Muir PA

  • Overnight

    Overnight: A chance of showers, mainly before 4am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 68 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 5pm. Some of the storms could be severe and produce heavy rainfall. Patchy fog before 7am. Otherwise, partly sunny, with a high near 86. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Patchy Fog
    then Severe
    Thunderstorms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Some of the storms could be severe and produce heavy rainfall. Low around 65. Light east wind. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 65 °F

    Severe
    Thunderstorms
    then Heavy
    Rain

  • Monday

    Monday: Showers, with thunderstorms also possible after noon. High near 74. East wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 63. East wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 78. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers, mainly before 4am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers and thunderstorms likely, mainly after 5pm. Some of the storms could be severe and produce heavy rainfall. Patchy fog before 7am. Otherwise, partly sunny, with a high near 86. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and possibly a thunderstorm. Some of the storms could be severe and produce heavy rainfall. Low around 65. Light east wind. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Monday
Showers, with thunderstorms also possible after noon. High near 74. East wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 63. East wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 78. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Reinerton-Orwin-Muir PA
 40.59°N 76.52°W (Elev. 896 ft)
Last Update:
2:36 am EDT Jul 5, 2026
Forecast Valid:
2am EDT Jul 5, 2026-6pm EDT Jul 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation