Hourly Weather Forecast - Unión, San Luis, AR

12 AM
68°F
0%
10mph
NE
Mostly Clear
Humidity
42%
Feels like
68°F
Dew Point
44°F
1 AM
67°F
0%
10mph
NNE
Partly Cloudy
Humidity
45%
Feels like
67°F
Dew Point
45°F
2 AM
66°F
0%
10mph
NE
Mostly Clear
Humidity
48%
Feels like
66°F
Dew Point
46°F
3 AM
64°F
0%
10mph
NE
Mostly Clear
Humidity
52%
Feels like
64°F
Dew Point
46°F
4 AM
63°F
0%
8mph
NE
Mostly Clear
Humidity
57%
Feels like
63°F
Dew Point
47°F
5 AM
62°F
0%
6mph
NNE
Mostly Clear
Humidity
61%
Feels like
62°F
Dew Point
48°F
6 AM
61°F
0%
6mph
NNE
Clear
Humidity
65%
Feels like
61°F
Dew Point
49°F
6:04 AM
7 AM
65°F
0%
5mph
N
Sunny
Humidity
58%
Feels like
65°F
Dew Point
49°F
8 AM
71°F
0%
6mph
N
Mostly Sunny
Humidity
47%
Feels like
71°F
Dew Point
50°F
9 AM
77°F
0%
9mph
NNW
Partly Cloudy
Humidity
38%
Feels like
77°F
Dew Point
50°F
10 AM
82°F
0%
11mph
NW
Partly Cloudy
Humidity
32%
Feels like
81°F
Dew Point
49°F
11 AM
86°F
0%
12mph
NW
Partly Cloudy
Humidity
28%
Feels like
84°F
Dew Point
49°F
12 PM
89°F
0%
12mph
WNW
Partly Cloudy
Humidity
25%
Feels like
86°F
Dew Point
49°F
1 PM
92°F
0%
11mph
WNW
Mostly Sunny
Humidity
23%
Feels like
89°F
Dew Point
49°F
2 PM
94°F
0%
10mph
W
Sunny
Humidity
23%
Feels like
91°F
Dew Point
50°F
3 PM
95°F
0%
8mph
W
Sunny
Humidity
21%
Feels like
92°F
Dew Point
49°F
4 PM
96°F
0%
7mph
WSW
Sunny
Humidity
19%
Feels like
92°F
Dew Point
47°F
5 PM
96°F
0%
7mph
SW
Sunny
Humidity
17%
Feels like
91°F
Dew Point
44°F
6 PM
95°F
0%
6mph
SSW
Sunny
Humidity
16%
Feels like
91°F
Dew Point
41°F
7 PM
93°F
0%
8mph
SSW
Sunny
Humidity
16%
Feels like
88°F
Dew Point
40°F
8 PM
89°F
0%
8mph
S
Sunny
Humidity
18%
Feels like
85°F
Dew Point
40°F
8:35 PM
9 PM
84°F
0%
8mph
S
Mostly Clear
Humidity
20%
Feels like
81°F
Dew Point
39°F
10 PM
81°F
0%
10mph
S
Partly Cloudy
Humidity
20%
Feels like
79°F
Dew Point
36°F
11 PM
77°F
0%
10mph
SSE
Partly Cloudy
Humidity
19%
Feels like
77°F
Dew Point
32°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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