Hourly Weather Forecast - Merlo, San Luis, AR

12 AM
71°F
50%
6mph
SSE
50% Chance of Light Rain
Humidity
70%
Feels like
71°F
Dew Point
61°F
1 AM
70°F
50%
7mph
SE
50% Chance of Light Rain
Humidity
74%
Feels like
70°F
Dew Point
61°F
2 AM
69°F
40%
8mph
SE
40% Chance Rain Showers
Humidity
78%
Feels like
69°F
Dew Point
62°F
3 AM
68°F
40%
6mph
SSE
40% Chance Rain Showers
Humidity
82%
Feels like
68°F
Dew Point
62°F
4 AM
67°F
40%
7mph
SSE
40% Chance Rain Showers
Humidity
85%
Feels like
67°F
Dew Point
62°F
5 AM
65°F
30%
7mph
SSE
30% Chance Rain Showers
Humidity
86%
Feels like
65°F
Dew Point
61°F
6 AM
65°F
30%
6mph
SSE
30% Chance Rain Showers
Humidity
85%
Feels like
65°F
Dew Point
61°F
6:10 AM
7 AM
67°F
30%
7mph
SSE
30% Chance Rain Showers
Humidity
80%
Feels like
67°F
Dew Point
60°F
8 AM
69°F
20%
9mph
SSE
Partly Cloudy
Humidity
73%
Feels like
69°F
Dew Point
60°F
9 AM
71°F
30%
11mph
SSE
30% Chance Rain Showers
Humidity
67%
Feels like
71°F
Dew Point
60°F
10 AM
72°F
30%
11mph
SSE
30% Chance Rain Showers
Humidity
63%
Feels like
72°F
Dew Point
59°F
11 AM
73°F
30%
10mph
SE
30% Chance Rain Showers
Humidity
61%
Feels like
73°F
Dew Point
59°F
12 PM
74°F
30%
9mph
SE
30% Chance Rain Showers
Humidity
58%
Feels like
74°F
Dew Point
58°F
1 PM
76°F
30%
7mph
SE
30% Chance Rain Showers
Humidity
54%
Feels like
76°F
Dew Point
58°F
2 PM
78°F
30%
5mph
SE
30% Chance Rain Showers
Humidity
51%
Feels like
78°F
Dew Point
58°F
3 PM
79°F
20%
4mph
SE
Partly Cloudy
Humidity
48%
Feels like
79°F
Dew Point
58°F
4 PM
79°F
20%
6mph
ESE
Partly Cloudy
Humidity
46%
Feels like
79°F
Dew Point
57°F
5 PM
79°F
20%
8mph
ESE
Partly Cloudy
Humidity
46%
Feels like
79°F
Dew Point
57°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.

Wednesday's Weather Outlook

Wednesday'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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