Hourly Weather Forecast - Mammoth Cave, KY

4 AM
26°F
0%
3mph
SSW
Partly Cloudy
Humidity
93%
Feels like
26°F
Dew Point
25°F
5 AM
27°F
0%
4mph
SSW
Mostly Cloudy
Humidity
93%
Feels like
22°F
Dew Point
25°F
6 AM
27°F
0%
4mph
SSW
Mostly Cloudy
Humidity
91%
Feels like
22°F
Dew Point
25°F
6:46 AM
7 AM
29°F
0%
5mph
SSW
Mostly Cloudy
Humidity
87%
Feels like
23°F
Dew Point
26°F
8 AM
31°F
0%
6mph
SSW
Cloudy
Humidity
83%
Feels like
25°F
Dew Point
26°F
9 AM
33°F
0%
7mph
SSW
Cloudy
Humidity
78%
Feels like
27°F
Dew Point
27°F
10 AM
35°F
0%
8mph
SSW
Mostly Cloudy
Humidity
73%
Feels like
29°F
Dew Point
27°F
11 AM
37°F
0%
9mph
SSW
Partly Cloudy
Humidity
69%
Feels like
31°F
Dew Point
28°F
12 PM
39°F
0%
9mph
SSW
Partly Cloudy
Humidity
65%
Feels like
33°F
Dew Point
29°F
1 PM
40°F
0%
10mph
SSW
Mostly Sunny
Humidity
63%
Feels like
34°F
Dew Point
29°F
2 PM
41°F
0%
10mph
SSW
Partly Cloudy
Humidity
64%
Feels like
35°F
Dew Point
30°F
3 PM
41°F
0%
9mph
SSW
Partly Cloudy
Humidity
66%
Feels like
35°F
Dew Point
30°F
4 PM
40°F
0%
9mph
SSW
Mostly Sunny
Humidity
70%
Feels like
34°F
Dew Point
31°F
4:27 PM
5 PM
39°F
0%
8mph
SSW
Mostly Clear
Humidity
74%
Feels like
33°F
Dew Point
31°F
6 PM
38°F
0%
8mph
SSW
Partly Cloudy
Humidity
75%
Feels like
32°F
Dew Point
31°F
7 PM
38°F
0%
9mph
SSW
Partly Cloudy
Humidity
76%
Feels like
32°F
Dew Point
31°F
8 PM
38°F
0%
9mph
SSW
Partly Cloudy
Humidity
76%
Feels like
32°F
Dew Point
32°F
9 PM
39°F
0%
10mph
SSW
Mostly Cloudy
Humidity
76%
Feels like
32°F
Dew Point
32°F
10 PM
39°F
0%
11mph
SSW
Mostly Cloudy
Humidity
76%
Feels like
32°F
Dew Point
32°F
11 PM
39°F
0%
11mph
SSW
Cloudy
Humidity
75%
Feels like
32°F
Dew Point
32°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy, Flooding Rain Impacts the Northwest

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide