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

Hazardous Weather Conditions

Current conditions at

Muir Army Air Field / Indiantown (KMUI)

Lat: 40.44°NLon: 76.56°WElev: 476ft.

Light Rain

78°F

26°C

Humidity 79%
Wind Speed S 5 mph
Barometer 29.87 in (1011.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 2 Aug 10:55 am EDT
Extended Forecast for

2 Miles WNW Mount Gretna PA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 80. Southeast wind 9 to 11 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly before 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rainfall. Low around 71. South wind around 9 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 71 °F

    Heavy Rain

  • Monday

    Monday: A chance of showers and thunderstorms, mainly before noon, then a slight chance of thunderstorms after 5pm. Mostly cloudy, with a high near 82. West wind 6 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. North wind around 7 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers after 2pm. Mostly sunny, with a high near 83. Northeast wind around 6 mph becoming east in the afternoon. Chance of precipitation is 30%.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.

    High: 85 °F

    Partly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 50%.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 80. Southeast wind 9 to 11 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm, mainly before 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rainfall. Low around 71. South wind around 9 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers and thunderstorms, mainly before noon, then a slight chance of thunderstorms after 5pm. Mostly cloudy, with a high near 82. West wind 6 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. North wind around 7 mph. Chance of precipitation is 20%.
Tuesday
A chance of showers after 2pm. Mostly sunny, with a high near 83. Northeast wind around 6 mph becoming east in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Wednesday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
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 70. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Mount Gretna PA
 40.26°N 76.5°W (Elev. 682 ft)
Last Update:
11:35 am EDT Aug 2, 2026
Forecast Valid:
1pm EDT Aug 2, 2026-6pm EDT Aug 8, 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