Hourly Weather Forecast - Merrillville, IN

12 AM
6°F
20%
9mph
WNW
Clear
Humidity
71%
Feels like
-7°F
Dew Point
-1°F
1 AM
6°F
10%
9mph
WNW
Clear
Humidity
71%
Feels like
-9°F
Dew Point
-2°F
2 AM
5°F
10%
9mph
WNW
Clear
Humidity
72%
Feels like
-10°F
Dew Point
-2°F
3 AM
4°F
10%
9mph
WNW
Clear
Humidity
72%
Feels like
-11°F
Dew Point
-3°F
4 AM
3°F
10%
9mph
WNW
Clear
Humidity
71%
Feels like
-11°F
Dew Point
-4°F
5 AM
2°F
10%
9mph
WNW
Clear
Humidity
72%
Feels like
-12°F
Dew Point
-5°F
6 AM
1°F
0%
9mph
WNW
Clear
Humidity
73%
Feels like
-13°F
Dew Point
-5°F
7 AM
1°F
0%
9mph
WNW
Clear
Humidity
73%
Feels like
-14°F
Dew Point
-5°F
7:07 AM
8 AM
2°F
0%
9mph
WNW
Sunny
Humidity
73%
Feels like
-12°F
Dew Point
-4°F
9 AM
4°F
0%
9mph
WNW
Sunny
Humidity
74%
Feels like
-10°F
Dew Point
-2°F
10 AM
6°F
0%
9mph
WNW
Sunny
Humidity
71%
Feels like
-8°F
Dew Point
-1°F
11 AM
8°F
0%
9mph
WNW
Sunny
Humidity
69%
Feels like
-6°F
Dew Point
0°F
12 PM
8°F
0%
9mph
WNW
Sunny
Humidity
66%
Feels like
-4°F
Dew Point
-1°F
1 PM
9°F
0%
8mph
WNW
Mostly Sunny
Humidity
65%
Feels like
-3°F
Dew Point
0°F
2 PM
9°F
0%
8mph
WNW
Mostly Sunny
Humidity
64%
Feels like
-3°F
Dew Point
-1°F
3 PM
8°F
0%
7mph
WNW
Mostly Sunny
Humidity
66%
Feels like
-3°F
Dew Point
-1°F
4 PM
8°F
0%
6mph
WNW
Mostly Sunny
Humidity
70%
Feels like
-3°F
Dew Point
0°F
4:20 PM
5 PM
6°F
0%
6mph
W
Clear
Humidity
72%
Feels like
-4°F
Dew Point
-1°F
6 PM
5°F
0%
5mph
W
Clear
Humidity
75%
Feels like
-4°F
Dew Point
-1°F
7 PM
4°F
0%
4mph
W
Clear
Humidity
77%
Feels like
-5°F
Dew Point
-1°F
8 PM
3°F
0%
4mph
W
Clear
Humidity
79%
Feels like
-6°F
Dew Point
-2°F
9 PM
2°F
0%
4mph
W
Clear
Humidity
79%
Feels like
-7°F
Dew Point
-3°F
10 PM
1°F
0%
3mph
WSW
Mostly Clear
Humidity
74%
Feels like
-7°F
Dew Point
-5°F
11 PM
0°F
0%
3mph
WSW
Partly Cloudy
Humidity
73%
Feels like
-7°F
Dew Point
-6°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 Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday'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

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Outdoor Sports Guide