Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Light Rain

72°F

22°C

Humidity	87%
Wind Speed	SW 9 mph
Barometer	29.95 in (1013.7 mb)
Dewpoint	68°F (20°C)
Visibility	7.00 mi
Last update	20 Sep 2:53 pm EDT

More Information:

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

Extended Forecast for

2 Miles SW North Irwin PA

Flood Watch until September 21, 12:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch until September 21, 12:00pm
NOW until 12:00pm Mon
Flood Watch
This Afternoon
High: 74 °F
Showers
Tonight
Low: 57 °F
Chance
Showers and
Patchy Fog
Monday
High: 65 °F
Showers and
Patchy Fog
Monday Night
Low: 55 °F
Showers
Tuesday
High: 65 °F
Showers
Likely
Tuesday Night
Low: 52 °F
Showers
Likely
Wednesday
High: 62 °F
Showers
Likely
Wednesday Night
Low: 50 °F
Chance
Showers

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. High near 74. West wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 57. North wind 6 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

Showers and thunderstorms before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. Patchy fog before 11am. High near 65. East wind around 14 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Monday Night

Showers and thunderstorms. Low around 55. East wind 11 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

Showers likely, mainly before 2pm. Cloudy, with a high near 65. East wind 11 to 15 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday Night

Showers likely, mainly after 8pm. Cloudy, with a low around 52. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday

Showers likely. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.

Wednesday Night

A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.

Thursday

A chance of showers before 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 30%.

Thursday Night

Mostly cloudy, with a low around 47.

Friday

Mostly sunny, with a high near 66.

Friday Night

Partly cloudy, with a low around 46.