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

Indiana County Airport - Jimmy Stewart Field (KIDI)

Lat: 40.63°NLon: 79.1°WElev: 1419ft.

A Few Clouds

77°F

25°C

Humidity 74%
Wind Speed Vrbl 7 mph
Barometer 29.98 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 19 Aug 6:15 pm EDT
Extended Forecast for

Indiana / Stewart Field PA

  • Tonight

    Tonight: A slight chance of showers between 4am and 5am, then a chance of showers and thunderstorms after 5am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 62. West wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers and thunderstorms, mainly before noon. Patchy fog before 9am. High near 75. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers and
    Patchy Fog
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: A slight chance of showers after 2pm. Mostly sunny, with a high near 78. Southeast wind around 7 mph. Chance of precipitation is 20%.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before 2am. Partly cloudy, with a low around 61. Southeast wind around 6 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers after 8am. Partly sunny, with a high near 74. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers between 4am and 5am, then a chance of showers and thunderstorms after 5am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 62. West wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms, mainly before noon. Patchy fog before 9am. High near 75. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 56. Calm wind.
Friday
A slight chance of showers after 2pm. Mostly sunny, with a high near 78. Southeast wind around 7 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 61. Southeast wind around 6 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Sunday
A chance of showers after 8am. Partly sunny, with a high near 74. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Indiana / Stewart Field PA
 40.62°N 79.11°W (Elev. 1345 ft)
Last Update:
5:21 pm EDT Aug 19, 2026
Forecast Valid:
6pm EDT Aug 19, 2026-6pm EDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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