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Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

10°F

-12°C

Humidity 61%
Wind Speed W 12 G 18 mph
Barometer 30.01 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-5°F (-21°C)
Last update 28 Jan 12:35 pm EST
Extended Forecast for

6 Miles SSE James City PA

Cold Weather Advisory January 29, 01:00am until January 29, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • This Afternoon

    This Afternoon: A chance of snow showers. Cloudy and cold, with a high near 10. Wind chill values as low as -5. West wind around 7 mph. Chance of precipitation is 40%.

    High: 10 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: A slight chance of snow showers before 1am, then flurries after 1am. Cloudy, with a low around -2. Wind chill values as low as -10. West wind around 6 mph. Chance of precipitation is 20%.

    Low: -2 °F

    Slight Chance
    Snow Showers

  • Thursday

    Thursday: A slight chance of snow showers. Mostly cloudy, with a high near 12. Wind chill values as low as -15. West wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 12 °F

    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -8. Light west wind.

    Low: -8 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 10. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 10 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -11.

    Low: -11 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 12.

    High: 12 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -1.

    Low: -1 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 17.

    High: 17 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of snow showers. Cloudy and cold, with a high near 10. Wind chill values as low as -5. West wind around 7 mph. Chance of precipitation is 40%.
Tonight
A slight chance of snow showers before 1am, then flurries after 1am. Cloudy, with a low around -2. Wind chill values as low as -10. West wind around 6 mph. Chance of precipitation is 20%.
Thursday
A slight chance of snow showers. Mostly cloudy, with a high near 12. Wind chill values as low as -15. West wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around -8. Light west wind.
Friday
Partly sunny and cold, with a high near 10. Calm wind becoming northwest 5 to 7 mph in the morning.
Friday Night
Mostly cloudy, with a low around -11.
Saturday
Partly sunny, with a high near 12.
Saturday Night
Mostly cloudy, with a low around -1.
Sunday
Mostly sunny, with a high near 17.
Sunday Night
Mostly cloudy, with a low around 3.
Monday
Partly sunny, with a high near 24.
Monday Night
Mostly cloudy, with a low around 9.
Tuesday
Mostly cloudy, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE James City PA
 41.54°N 78.79°W (Elev. 1699 ft)
Last Update:
9:56 am EST Jan 28, 2026
Forecast Valid:
12pm EST Jan 28, 2026-6pm EST Feb 3, 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