Hourly Weather Forecast - Merlo, San Luis, AR

12 AM
67°F
0%
4mph
NNE
Clear
Humidity
49%
Feels like
67°F
Dew Point
47°F
1 AM
66°F
0%
4mph
NE
Clear
Humidity
49%
Feels like
66°F
Dew Point
47°F
2 AM
65°F
0%
3mph
NE
Clear
Humidity
50%
Feels like
65°F
Dew Point
46°F
3 AM
65°F
0%
3mph
ENE
Clear
Humidity
50%
Feels like
65°F
Dew Point
46°F
4 AM
64°F
0%
3mph
ENE
Clear
Humidity
50%
Feels like
64°F
Dew Point
45°F
5 AM
64°F
0%
3mph
E
Clear
Humidity
49%
Feels like
64°F
Dew Point
45°F
6 AM
65°F
0%
2mph
ESE
Clear
Humidity
46%
Feels like
65°F
Dew Point
45°F
6:08 AM
7 AM
68°F
0%
3mph
SE
Sunny
Humidity
44%
Feels like
68°F
Dew Point
46°F
8 AM
72°F
0%
3mph
SSE
Sunny
Humidity
40%
Feels like
72°F
Dew Point
47°F
9 AM
76°F
0%
3mph
SW
Sunny
Humidity
37%
Feels like
76°F
Dew Point
48°F
10 AM
79°F
0%
5mph
WSW
Sunny
Humidity
36%
Feels like
79°F
Dew Point
49°F
11 AM
81°F
0%
6mph
WSW
Sunny
Humidity
34%
Feels like
80°F
Dew Point
50°F
12 PM
83°F
0%
6mph
WSW
Mostly Sunny
Humidity
32%
Feels like
82°F
Dew Point
51°F
1 PM
86°F
0%
4mph
WSW
Mostly Sunny
Humidity
30%
Feels like
84°F
Dew Point
51°F
2 PM
88°F
0%
1mph
WSW
Partly Cloudy
Humidity
28%
Feels like
85°F
Dew Point
51°F
3 PM
89°F
0%
3mph
W
Partly Cloudy
Humidity
27%
Feels like
86°F
Dew Point
51°F
4 PM
90°F
0%
7mph
NW
Partly Cloudy
Humidity
26%
Feels like
87°F
Dew Point
51°F
5 PM
89°F
0%
9mph
NNE
Partly Cloudy
Humidity
26%
Feels like
87°F
Dew Point
50°F
6 PM
88°F
0%
10mph
NE
Mostly Sunny
Humidity
27%
Feels like
85°F
Dew Point
49°F
7 PM
85°F
0%
9mph
NE
Mostly Sunny
Humidity
29%
Feels like
83°F
Dew Point
49°F
8 PM
81°F
0%
9mph
NE
Sunny
Humidity
33%
Feels like
80°F
Dew Point
49°F
8:24 PM
9 PM
77°F
0%
10mph
ENE
Mostly Clear
Humidity
37%
Feels like
77°F
Dew Point
49°F
10 PM
73°F
0%
11mph
ENE
Mostly Clear
Humidity
41%
Feels like
73°F
Dew Point
48°F
11 PM
71°F
0%
11mph
ENE
Clear
Humidity
44%
Feels like
71°F
Dew Point
48°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Tuesday'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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