Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Siloam Springs, Smith Field Airport (KSLG)

Lat: 36.2°NLon: 94.48°WElev: 1194ft.

A Few Clouds

97°F

36°C

Humidity 39%
Wind Speed S 14 mph
Barometer 30.21 in (1021.2 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 16 Sep 2:56 pm CDT
Extended Forecast for

3 Miles N Siloam Springs AR

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 99. South wind around 5 mph.

    High: 99 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 73. South wind around 5 mph becoming calm  in the evening.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 98. Heat index values as high as 101. Calm wind becoming southwest around 5 mph.

    High: 98 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 99. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 99 °F

    Sunny

  • Friday Night

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

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 98. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 98 °F

    Sunny

  • Saturday Night

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

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 95. Southwest wind 5 to 10 mph.

    High: 95 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 99. South wind around 5 mph.
Tonight
Mostly clear, with a low around 73. South wind around 5 mph becoming calm in the evening.
Thursday
Increasing clouds, with a high near 98. Heat index values as high as 101. Calm wind becoming southwest around 5 mph.
Thursday Night
Mostly clear, with a low around 72. Calm wind.
Friday
Sunny, with a high near 99. Light south wind becoming southwest 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 71. South wind around 5 mph.
Saturday
Sunny, with a high near 98. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 71. South wind around 5 mph.
Sunday
Mostly sunny, with a high near 95. Southwest wind 5 to 10 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South wind around 5 mph becoming calm after midnight.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the morning.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64. Northeast wind around 5 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Northeast wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Siloam Springs AR
 36.23°N 94.56°W
3:21 pm CDT Sep 16, 2026
3pm CDT Sep 16, 2026-6pm CDT Sep 22, 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