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

Hazardous Weather Conditions

Current conditions at

Washington County Airport (KAFJ)

Lat: 40.14°NLon: 80.29°WElev: 1184ft.

Overcast

12°F

-11°C

Humidity 56%
Wind Speed NE 10 mph
Barometer 30.45 in (1033.8 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 24 Jan 9:56 pm EST
Extended Forecast for

Canonsburg PA

Winter Storm Warning January 24, 10:30pm until January 26, 12:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning January 24, 10:30pm until January 26, 12:00pm

    NOW until 12:00pm Mon

    Winter Storm Warning

  • Tonight

    Low: 12 °F

    Chance Snow
    then Snow

  • Sunday

    Sunday: Snow before 5pm, then snow, possibly mixed with sleet. The snow could be heavy at times. High near 27. East wind around 10 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 5 to 9 inches possible.

    High: 27 °F

    Heavy Snow
    then
    Snow/Sleet

  • Sunday Night

    Sunday Night: Snow before 7pm, then snow, possibly mixed with sleet between 7pm and 10pm, then snow after 10pm. Low around 14. East wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 2 to 4 inches possible.

    Low: 14 °F

    Snow/Sleet
    then Snow

  • Monday

    Monday: A chance of snow before 11am, then a chance of snow showers after 11am. Mostly cloudy, with a high near 19. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 19 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 0. West wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 0 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow showers after 1pm. Mostly cloudy, with a high near 17. Chance of precipitation is 20%.

    High: 17 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 3.

    Low: 3 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 17.

    High: 17 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow, mainly after 2am. Low around 12. East wind 6 to 8 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.
Sunday
Snow before 5pm, then snow, possibly mixed with sleet. The snow could be heavy at times. High near 27. East wind around 10 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 5 to 9 inches possible.
Sunday Night
Snow before 7pm, then snow, possibly mixed with sleet between 7pm and 10pm, then snow after 10pm. Low around 14. East wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 2 to 4 inches possible.
Monday
A chance of snow before 11am, then a chance of snow showers after 11am. Mostly cloudy, with a high near 19. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Monday Night
Mostly cloudy, with a low around 0. West wind 10 to 13 mph, with gusts as high as 23 mph.
Tuesday
A slight chance of snow showers after 1pm. Mostly cloudy, with a high near 17. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 3.
Wednesday
Mostly cloudy, with a high near 17.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 2. Chance of precipitation is 40%.
Thursday
A chance of snow showers before 8am, then a chance of snow between 8am and 10am, then a chance of snow showers after 10am. Mostly cloudy and cold, with a high near 15. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 0.
Friday
Mostly cloudy and cold, with a high near 15.
Friday Night
Mostly cloudy, with a low around 1.
Saturday
Mostly cloudy, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Canonsburg PA
 40.25°N 80.18°W (Elev. 997 ft)
Last Update:
8:48 pm EST Jan 24, 2026
Forecast Valid:
10pm EST Jan 24, 2026-6pm EST Jan 31, 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