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Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

Somerset County Airport (K2G9)

Lat: 40.04°NLon: 79.02°WElev: 2275ft.

Heavy Rain

50°F

10°C

Humidity 100%
Wind Speed E 10 G 23 mph
Barometer 30.17 in
Dewpoint 50°F (10°C)
Visibility 2.00 mi
Wind Chill46°F (8°C)
Last update 11 Oct 8:35 am EDT
Extended Forecast for

Addison PA

Wind Advisory October 11, 08:54am until October 11, 02:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory October 11, 08:54am until October 11, 02:00pm

    NOW until 2:00pm Sun

    Wind Advisory

  • Today

    High: 61 °F

    Rain

  • Tonight

    Tonight: Rain likely and possibly a thunderstorm. Patchy fog after 10pm. Otherwise, cloudy, with a low around 57. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Rain Likely
    and Patchy
    Fog

  • Columbus Day

    Columbus Day: A chance of rain, mainly before 7am. Mostly cloudy, with a high near 66. Northwest wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance Rain
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. Light southwest wind.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 77. Southwest wind 6 to 9 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain after 2am. Partly cloudy, with a low around 63. Chance of precipitation is 20%.

    Low: 63 °F

    Mostly Clear
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 40%.

    High: 72 °F

    Partly Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Chance Rain

Detailed Forecast

Today
Rain, with thunderstorms also possible after 11am. High near 61. East wind 13 to 17 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Rain likely and possibly a thunderstorm. Patchy fog after 10pm. Otherwise, cloudy, with a low around 57. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Columbus Day
A chance of rain, mainly before 7am. Mostly cloudy, with a high near 66. Northwest wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 56. Light southwest wind.
Tuesday
Sunny, with a high near 77. Southwest wind 6 to 9 mph.
Tuesday Night
A slight chance of rain after 2am. Partly cloudy, with a low around 63. Chance of precipitation is 20%.
Wednesday
A chance of rain after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 40%.
Wednesday Night
A chance of rain before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 67. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Friday
Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 50%.
Saturday
A chance of showers. Mostly cloudy, with a high near 51. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Addison PA
 39.73°N 79.34°W (Elev. 2100 ft)
Last Update:
8:21 am EDT Oct 11, 2026
Forecast Valid:
8am EDT Oct 11, 2026-6pm EDT Oct 17, 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