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

Prolonged, Intense Heat Wave; Excessive Rainfall in the Southern Rockies and Central Plains into the Upper Midwest

Extremely dangerous heat persists through Thursday with widespread daily temperature records. Monsoonal moisture continues to bring heavy rain and flash flooding to New Mexico and west Texas through Thursday, especially in the burn scar areas. Thunderstorms and heavy to excessive rain will continue to bring a flash flood threat from the Central Plains into the Upper Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

Siloam Springs, Smith Field Airport (KSLG)

Lat: 36.2°NLon: 94.48°WElev: 1194ft.

Fair

76°F

24°C

Humidity 94%
Wind Speed SE 5 mph
Barometer 30.20 in (1021.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 25 Jun 12:56 am CDT
Extended Forecast for

Siloam Springs AR

  • Overnight

    Overnight: Mostly clear, with a low around 71. South wind around 5 mph.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 89. South wind around 5 mph.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71. South wind around 5 mph.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. South wind 5 to 10 mph.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 71. South wind around 5 mph.

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89. Southwest wind 5 to 10 mph.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 71. South wind around 5 mph.

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 91. Southwest wind 5 to 10 mph.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72. South wind around 5 mph.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 71. South wind around 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 89. South wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 71. South wind around 5 mph.
Thursday
Sunny, with a high near 89. South wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 71. South wind around 5 mph.
Friday
Sunny, with a high near 89. Southwest wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 71. South wind around 5 mph.
Saturday
Mostly sunny, with a high near 91. Southwest wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 72. South wind around 5 mph.
Sunday
Sunny, with a high near 91. South wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. South wind around 5 mph.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southwest wind around 5 mph.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. West wind around 5 mph becoming calm.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Calm wind becoming northwest around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Siloam Springs AR
 36.19°N 94.53°W
Last Update:
12:50 am CDT Jun 25, 2025
Forecast Valid:
1am CDT Jun 25, 2025-6pm CDT Jul 1, 2025
 
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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