National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Siloam Springs, Smith Field Airport (KSLG)

Lat: 36.2°NLon: 94.48°WElev: 1194ft.

Fair

86°F

30°C

Humidity 43%
Wind Speed S 6 mph
Barometer 30.07 in (1016.7 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 18 Sep 8:56 pm CDT
Extended Forecast for

Gallitin AR

  • Tonight

    Tonight: Mostly clear, with a low around 72. South wind around 5 mph becoming calm.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 98. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 98 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 72. South wind around 5 mph.

    Low: 72 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 96. South wind 5 to 10 mph.

    High: 96 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Northwest wind around 5 mph becoming calm. Chance of precipitation is 60%.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.

    High: 87 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. North wind around 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 83. North wind 5 to 10 mph.

    High: 83 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. Northeast wind 5 to 10 mph.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 72. South wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 98. South wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Increasing clouds, with a low around 72. South wind around 5 mph.
Sunday
Mostly sunny, with a high near 96. South wind 5 to 10 mph.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Northwest wind around 5 mph becoming calm. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 62. North wind around 5 mph.
Tuesday
Partly sunny, with a high near 83. North wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 58. Northeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 84. Northeast wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 59. East wind around 5 mph.
Thursday
Mostly sunny, with a high near 85. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 61. East wind around 5 mph.
Friday
Mostly sunny, with a high near 85. Calm wind becoming southeast around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gallitin AR
 36.19°N 94.45°W
Last Update:
6:50 pm CDT Sep 18, 2026
Forecast Valid:
8pm CDT Sep 18, 2026-6pm CDT Sep 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation