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

Significant Heat in the Northwest U.S.; Tropical Rainfall Potential in the Southwest U.S.

A significant late season heat wave continues in the interior Pacific Northwest for at least one more day before easing somewhat Friday into Saturday. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring a marginal to slight risk of excessive rainfall across the southwest U.S. through Saturday which may bring areas of flooding. Read More >

Current conditions at

Muir Army Air Field / Indiantown (KMUI)

Lat: 40.44°NLon: 76.56°WElev: 476ft.

A Few Clouds

67°F

19°C

Humidity 80%
Wind Speed Calm
Barometer 29.85 in (1010.9 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 4 Sep 8:55 am EDT
Extended Forecast for

Mount Aetna PA

  • Today

    Today: A chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 83. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 2am. Mostly cloudy, with a low around 61. Southwest wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 83. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. South wind around 5 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 81. Light and variable wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 56. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Showers

  • Sunday

    Sunday: A chance of showers before 8am. Mostly sunny, with a high near 73. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 83. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 2am. Mostly cloudy, with a low around 61. Southwest wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Mostly sunny, with a high near 83. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 64. South wind around 5 mph.
Saturday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 81. Light and variable wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 56. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A chance of showers before 8am. Mostly sunny, with a high near 73. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Aetna PA
 40.43°N 76.26°W (Elev. 571 ft)
Last Update:
8:22 am EDT Sep 4, 2025
Forecast Valid:
9am EDT Sep 4, 2025-6pm EDT Sep 10, 2025
 
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