Hourly Weather Forecast - Southwest, PA

12 AM
30°F
10%
4mph
SE
Mostly Cloudy
Humidity
62%
Feels like
26°F
Dew Point
18°F
1 AM
30°F
10%
4mph
SE
Mostly Cloudy
Humidity
62%
Feels like
26°F
Dew Point
19°F
2 AM
30°F
20%
4mph
SE
Cloudy
Humidity
63%
Feels like
26°F
Dew Point
20°F
3 AM
31°F
20%
4mph
SSE
Cloudy
Humidity
65%
Feels like
27°F
Dew Point
21°F
4 AM
32°F
20%
5mph
SSE
Cloudy
Humidity
67%
Feels like
27°F
Dew Point
22°F
5 AM
32°F
30%
5mph
S
30% Chance of Light Rain
Humidity
69%
Feels like
27°F
Dew Point
24°F
6 AM
33°F
30%
6mph
S
30% Chance of Rain
Humidity
71%
Feels like
27°F
Dew Point
25°F
7 AM
34°F
30%
7mph
S
30% Chance of Rain
Humidity
73%
Feels like
28°F
Dew Point
26°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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