Hourly Weather Forecast - Mammoth Cave, KY

12 AM
46°F
30%
5mph
SSW
30% Chance of Light Rain
Humidity
77%
Feels like
43°F
Dew Point
39°F
1 AM
46°F
30%
5mph
SSW
30% Chance of Light Rain
Humidity
77%
Feels like
43°F
Dew Point
39°F
2 AM
46°F
30%
5mph
SSW
30% Chance of Light Rain
Humidity
78%
Feels like
44°F
Dew Point
40°F
3 AM
46°F
40%
5mph
SSW
40% Chance of Light Rain
Humidity
80%
Feels like
43°F
Dew Point
40°F
4 AM
45°F
50%
4mph
SSW
50% Chance of Light Rain
Humidity
84%
Feels like
43°F
Dew Point
40°F
5 AM
44°F
50%
4mph
SSW
50% Chance of Light Rain
Humidity
87%
Feels like
42°F
Dew Point
41°F
6 AM
44°F
50%
4mph
SSW
50% Chance of Light Rain
Humidity
90%
Feels like
42°F
Dew Point
41°F
6:55 AM
7 AM
44°F
50%
3mph
SSW
50% Chance of Light Rain
Humidity
89%
Feels like
43°F
Dew Point
41°F
8 AM
46°F
40%
3mph
SSW
40% Chance of Light Rain
Humidity
87%
Feels like
44°F
Dew Point
42°F
9 AM
47°F
40%
3mph
SSW
40% Chance of Light Rain
Humidity
83%
Feels like
46°F
Dew Point
43°F
10 AM
49°F
40%
3mph
S
40% Chance of Light Rain
Humidity
80%
Feels like
49°F
Dew Point
44°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday'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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide