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

Hazardous Weather Conditions

Current conditions at

Du Bois - Jefferson County Airport (KDUJ)

Lat: 41.18°NLon: 78.89°WElev: 1804ft.

Fog

65°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 30.10 in (1018.2 mb)
Dewpoint 65°F (18°C)
Visibility 0.25 mi
Last update 6 Aug 2:53 am EDT
Extended Forecast for

Big Run PA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Patchy Fog

  • Thursday

    Thursday: Isolated showers between 10am and 11am, then scattered showers and thunderstorms after 11am. Patchy fog before 7am. Otherwise, partly sunny, with a high near 82. Southwest wind 3 to 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Scattered
    Showers and
    Patchy Fog
    then
    Scattered
    T-storms

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms before midnight, then isolated showers after 5am. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Scattered
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Friday

    Friday: Scattered showers and thunderstorms, mainly after 9am. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 81. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Scattered
    T-storms and
    Areas Fog

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 2am, then scattered showers and thunderstorms between 2am and 5am, then scattered showers after 5am. Mostly cloudy, with a low around 66. Light south wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers
    Likely

  • Saturday

    Saturday: Scattered showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 80. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Scattered
    Showers then
    Scattered
    T-storms

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms before 11pm, then scattered showers between 11pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Scattered
    T-storms then
    Scattered
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 69. Calm wind.
Thursday
Isolated showers between 10am and 11am, then scattered showers and thunderstorms after 11am. Patchy fog before 7am. Otherwise, partly sunny, with a high near 82. Southwest wind 3 to 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Scattered showers and thunderstorms before midnight, then isolated showers after 5am. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Scattered showers and thunderstorms, mainly after 9am. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 81. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm before 2am, then scattered showers and thunderstorms between 2am and 5am, then scattered showers after 5am. Mostly cloudy, with a low around 66. Light south wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Scattered showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 80. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Scattered showers and thunderstorms before 11pm, then scattered showers between 11pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Tuesday
Showers and possibly a thunderstorm. High near 80. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 80%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Big Run PA
 40.98°N 78.88°W (Elev. 1345 ft)
Last Update:
2:21 am EDT Aug 6, 2026
Forecast Valid:
3am EDT Aug 6, 2026-6pm EDT Aug 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation