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

Indiana County Airport - Jimmy Stewart Field (KIDI)

Lat: 40.63°NLon: 79.1°WElev: 1419ft.

Fair

82°F

28°C

Humidity 70%
Wind Speed W 6 mph
Barometer 30.07 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 4 Jul 11:35 am EDT
Extended Forecast for

3 Miles SSW New Washington PA

  • Independence Day

    Independence Day: A slight chance of showers between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Some of the storms could be severe. Partly sunny, with a high near 88. West wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 88 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Some of the storms could be severe. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 67. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Severe
    Thunderstorms
    and Patchy
    Fog

  • Sunday

    Sunday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 4pm, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. Patchy fog between 8am and 9am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    T-storms and
    Patchy Fog
    then Heavy
    Rain

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 65. Light southeast wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Heavy Rain
    then Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 79. South wind 3 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Showers then
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    T-storms
    Likely then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Independence Day
A slight chance of showers between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Some of the storms could be severe. Partly sunny, with a high near 88. West wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms. Some of the storms could be severe. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 67. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 4pm, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. Patchy fog between 8am and 9am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 65. Light southeast wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 79. South wind 3 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Wednesday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW New Washington PA
 40.79°N 78.74°W (Elev. 1624 ft)
Last Update:
8:06 am EDT Jul 4, 2026
Forecast Valid:
11am EDT Jul 4, 2026-6pm EDT Jul 10, 2026
 
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Additional Resources

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Chance of Precipitation