Hourly Weather Forecast - Mercedes, San Luis, AR

12 AM
66°F
30%
8mph
NE
30% Chance Rain Showers
Humidity
95%
Feels like
66°F
Dew Point
64°F
1 AM
65°F
30%
7mph
NNE
30% Chance Rain Showers
Humidity
94%
Feels like
65°F
Dew Point
64°F
2 AM
65°F
30%
7mph
NNW
30% Chance Rain Showers
Humidity
92%
Feels like
65°F
Dew Point
63°F
3 AM
65°F
30%
6mph
NNW
30% Chance Rain Showers
Humidity
93%
Feels like
65°F
Dew Point
63°F
4 AM
64°F
30%
6mph
NNW
30% Chance Rain Showers
Humidity
94%
Feels like
64°F
Dew Point
62°F

Today's Severe Thunderstorm Outlook

Severe Storms Rattle Texas to New York

A strong low pressure system storming across the north-central U.S. today will continue this week’s train of severe weather.

Today's Weather Outlook

Weekend Weather Outlook

Sunset over a bay (Willem Bouwmeester, Pixabay)

Time to "Spring Forward" As Daylight Saving Approaches

Weekly Drought Map for March 5, 2026

Drought Worsens Nationwide Despite Multiple Disturbances

A tornado on the ground in Hildreth, Neb., on June 14, 2014 (NOAA Photo Library/Ken Engquist).

Tornadoes and Road Safety -- Do's and Don't's

A baby wearing many items of winter clothing: headband, cap, fur-lined coat, wool neckscarf and sweater. (Courtesy of Wikimedia Commons. Author: Andrew Vargas from Clovis, United States)

How to Dress Your Children for Spring Weather

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide