Hourly Weather Forecast - Lemont, PA

12 AM
26°F
10%
3mph
SSE
Cloudy
Humidity
69%
Feels like
22°F
Dew Point
17°F
1 AM
26°F
20%
3mph
SSE
Cloudy
Humidity
69%
Feels like
22°F
Dew Point
17°F
2 AM
26°F
20%
3mph
SSE
Cloudy
Humidity
71%
Feels like
22°F
Dew Point
18°F
3 AM
26°F
30%
4mph
SSE
30% Chance of Flurries
Humidity
73%
Feels like
21°F
Dew Point
18°F
4 AM
26°F
30%
4mph
SSE
30% Chance of Flurries
Humidity
75%
Feels like
21°F
Dew Point
19°F
5 AM
26°F
30%
4mph
SSE
30% Chance of Flurries
Humidity
77%
Feels like
21°F
Dew Point
20°F
6 AM
26°F
30%
4mph
SSE
30% Chance of Flurries
Humidity
77%
Feels like
20°F
Dew Point
20°F
7 AM
26°F
30%
5mph
S
30% Chance of Flurries
Humidity
78%
Feels like
21°F
Dew Point
20°F
7:32 AM
8 AM
27°F
30%
4mph
S
30% Chance of Heavy Snow
Humidity
80%
Feels like
22°F
Dew Point
22°F
9 AM
29°F
40%
5mph
S
40% Chance of Heavy Snow
Humidity
78%
Feels like
24°F
Dew Point
23°F
10 AM
31°F
40%
5mph
S
40% Chance of Heavy Snow
Humidity
76%
Feels like
26°F
Dew Point
24°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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