National Weather Service

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

22°C

72°F

Humidity	88%
Wind Speed	S 6 km/h
Barometer	29.97 in
Dewpoint	20°C (68°F)
Visibility	16 km
Last update	30 Jun 10:15 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles NNE Sinnamahoning PA

Tonight
Low: 21 °C
Showers
Likely then
Chance
Showers and
Patchy Fog
Tuesday
High: 27 °C
Chance
T-storms
Tuesday Night
Low: 17 °C
Mostly Cloudy
then Patchy
Fog
Wednesday
High: 29 °C
Sunny
Wednesday Night
Low: 16 °C
Mostly Clear
Thursday
High: 27 °C
Chance
Showers then
Chance
T-storms
Thursday Night
Low: 13 °C
Chance
T-storms then
Clear
Independence Day
High: 27 °C
Sunny
Friday Night
Low: 14 °C
Partly Cloudy

Detailed Forecast

Tonight

Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 5am. Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 21. Calm wind. Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.

Tuesday

A chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 27. Southwest wind 8 to 10 km/h. Chance of precipitation is 50%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

Tuesday Night

Patchy fog after midnight. Otherwise, partly cloudy, with a low around 17. Calm wind.

Wednesday

Sunny, with a high near 29. Calm wind becoming northwest 5 to 10 km/h in the morning.

Wednesday Night

Mostly clear, with a low around 16. Calm wind.

Thursday

A chance of showers and thunderstorms. Mostly sunny, with a high near 27. Chance of precipitation is 40%.

Thursday Night

A chance of thunderstorms before 8pm. Clear, with a low around 13. Chance of precipitation is 30%.

Independence Day

Sunny, with a high near 27.