National Weather Service Forecast for: Hot Springs National Park AR
Issued by: National Weather Service Little Rock, AR
Updated: 2:35 am CDT Aug 20, 2026
 
Overnight

Overnight: Partly cloudy, with a low around 78. West southwest wind around 10 mph, with gusts as high as 15 mph.
Partly Cloudy

 Thursday

Thursday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny and hot, with a high near 101. Heat index values as high as 108. West southwest wind around 5 mph.
Mostly Sunny
then Chance
T-storms
 Thursday
Night
Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 72. Calm wind.
Chance
T-storms then
Mostly Clear
 Friday

Friday: Mostly sunny and hot, with a high near 100. Heat index values as high as 107. Calm wind becoming east northeast around 5 mph.
Hot

 Friday
Night
Friday Night: A 20 percent chance of showers after 1am. Mostly clear, with a low around 73. Calm wind.
Mostly Clear
then Slight
Chance
Showers
 Saturday

Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99. Calm wind becoming south around 5 mph.
Mostly Sunny
then Slight
Chance
T-storms
 Saturday
Night
Saturday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.
Slight Chance
T-storms then
Slight Chance
Showers
 Sunday

Sunday: Mostly sunny, with a high near 95. East southeast wind around 5 mph.
Mostly Sunny

 Sunday
Night
Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. East wind around 5 mph.
Partly Cloudy
then Slight
Chance
T-storms
Lo 78 °F Hi 101 °F Lo 72 °F Hi 100 °F Lo 73 °F Hi 99 °F Lo 72 °F Hi 95 °F Lo 73 °F

Heat Advisory
 

Overnight
 
 Partly cloudy, with a low around 78. West southwest wind around 10 mph, with gusts as high as 15 mph.
Thursday
 
 A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny and hot, with a high near 101. Heat index values as high as 108. West southwest wind around 5 mph.
Thursday Night
 
 A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 72. Calm wind.
Friday
 
 Mostly sunny and hot, with a high near 100. Heat index values as high as 107. Calm wind becoming east northeast around 5 mph.
Friday Night
 
 A 20 percent chance of showers after 1am. Mostly clear, with a low around 73. Calm wind.
Saturday
 
 A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99. Calm wind becoming south around 5 mph.
Saturday Night
 
 A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.
Sunday
 
 Mostly sunny, with a high near 95. East southeast wind around 5 mph.
Sunday Night
 
 A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. East wind around 5 mph.
Monday
 
 A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93.
Monday Night
 
 Mostly clear, with a low around 73.
Tuesday
 
 Sunny, with a high near 96.
Tuesday Night
 
 Partly cloudy, with a low around 73.
Wednesday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.

 

Forecast from NOAA-NWS for Hot Springs National Park AR.