Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41° N Lon: 78.5° W Elev: 1934 ft.

NA

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint NA
Visibility NA
Last update *** Not a current observation ***
Detailed forecast for

Cameron County

This Afternoon
Mostly sunny with a chance of showers with a slight chance of thunderstorms. Some thunderstorms may produce gusty winds and small hail. Highs in the lower 80s. Northwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 40 percent.
Tonight
Mostly clear. Patchy fog after midnight. Lows in the mid 50s. Northwest winds 5 to 10 mph.
Independence Day
Patchy fog in the morning. Sunny. Highs in the lower 80s. Northwest winds around 5 mph.
Friday Night
Mostly clear. Patchy fog after midnight. Lows in the mid 50s. North winds around 5 mph in the evening, becoming light and variable.
Saturday
Patchy fog in the morning. Mostly sunny. Hot with highs in the mid 80s. South winds around 5 mph.
Saturday Night
Mostly clear. Patchy fog after midnight. Lows in the lower 60s.
Sunday
Patchy fog in the morning. Sunny, hot with highs around 90.
Sunday Night
Mostly clear. Lows in the mid 60s.
Monday
Partly sunny. A chance of showers and thunderstorms in the afternoon. Humid, hot with highs in the upper 80s. Chance of rain 50 percent.
Monday Night
Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Humid with lows in the mid 60s. Chance of rain 50 percent.
Tuesday
Mostly sunny. A chance of showers in the afternoon. Humid. Very warm with highs in the lower 80s. Chance of rain 30 percent.
Tuesday Night
Partly cloudy. A chance of showers in the evening. Lows in the lower 60s. Chance of rain 30 percent.
Wednesday
Partly sunny. A chance of showers in the afternoon. Very warm with highs in the lower 80s. Chance of rain 40 percent.



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1200 PM EDT Thu Jul 3 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database