Hourly Weather Forecast - Unión, San Luis, AR

12 AM
74°F
30%
4mph
ENE
30% Chance Rain Showers
Humidity
67%
Feels like
74°F
Dew Point
63°F
1 AM
73°F
30%
2mph
E
30% Chance Rain Showers
Humidity
72%
Feels like
73°F
Dew Point
63°F
2 AM
71°F
30%
3mph
SW
30% Chance Rain Showers
Humidity
77%
Feels like
71°F
Dew Point
63°F
3 AM
69°F
40%
5mph
SW
40% Chance of Storms
Humidity
83%
Feels like
69°F
Dew Point
64°F
4 AM
67°F
40%
5mph
S
40% Chance of Light Rain
Humidity
88%
Feels like
67°F
Dew Point
64°F
5 AM
66°F
40%
6mph
SE
40% Chance Rain Showers
Humidity
93%
Feels like
66°F
Dew Point
64°F
6 AM
65°F
40%
9mph
SE
40% Chance Rain Showers
Humidity
95%
Feels like
65°F
Dew Point
63°F
6:05 AM
7 AM
67°F
30%
10mph
SE
30% Chance Rain Showers
Humidity
85%
Feels like
67°F
Dew Point
62°F
8 AM
70°F
30%
10mph
SE
30% Chance Rain Showers
Humidity
70%
Feels like
70°F
Dew Point
59°F
9 AM
73°F
30%
9mph
SE
30% Chance Rain Showers
Humidity
61%
Feels like
73°F
Dew Point
58°F
10 AM
76°F
20%
10mph
SE
Partly Cloudy
Humidity
54%
Feels like
76°F
Dew Point
58°F
11 AM
79°F
20%
10mph
SE
Mostly Sunny
Humidity
49%
Feels like
79°F
Dew Point
58°F
12 PM
81°F
20%
11mph
SE
Mostly Sunny
Humidity
45%
Feels like
81°F
Dew Point
58°F
1 PM
83°F
30%
11mph
SE
30% Chance Rain Showers
Humidity
43%
Feels like
83°F
Dew Point
58°F
2 PM
85°F
40%
10mph
SE
40% Chance Rain Showers
Humidity
39%
Feels like
84°F
Dew Point
58°F
3 PM
85°F
40%
10mph
ESE
40% Chance Rain Showers
Humidity
39%
Feels like
85°F
Dew Point
58°F
4 PM
86°F
30%
9mph
ESE
30% Chance Rain Showers
Humidity
40%
Feels like
85°F
Dew Point
59°F
5 PM
86°F
30%
10mph
E
30% Chance Rain Showers
Humidity
43%
Feels like
86°F
Dew Point
61°F
6 PM
84°F
30%
9mph
E
30% Chance Rain Showers
Humidity
48%
Feels like
85°F
Dew Point
62°F
7 PM
83°F
30%
6mph
E
30% Chance Rain Showers
Humidity
52%
Feels like
84°F
Dew Point
64°F
8 PM
80°F
30%
3mph
E
30% Chance Rain Showers
Humidity
58%
Feels like
82°F
Dew Point
64°F
8:37 PM
9 PM
78°F
30%
1mph
SSE
30% Chance Rain Showers
Humidity
63%
Feels like
78°F
Dew Point
64°F
10 PM
76°F
30%
4mph
S
30% Chance Rain Showers
Humidity
62%
Feels like
76°F
Dew Point
62°F
11 PM
74°F
30%
7mph
S
30% Chance Rain Showers
Humidity
60%
Feels like
74°F
Dew Point
59°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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