Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Hazardous Weather Conditions

Current conditions at

Siloam Springs, Smith Field Airport (KSLG)

Lat: 36.2°NLon: 94.48°WElev: 1194ft.

Fair

77°F

25°C

Humidity NA
Wind Speed Calm
Barometer 29.91 in (1011.1 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 29 Jul 4:56 am CDT
Extended Forecast for

Siloam Springs AR

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 95. Heat index values as high as 107. Calm wind becoming southeast around 5 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 95 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am.  Mostly cloudy, with a low around 74. Southeast wind around 5 mph.

    Low: 74 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 92. Heat index values as high as 102. South wind around 5 mph.  Chance of precipitation is 40%.

    High: 92 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 94. South wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 94 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 69. North wind around 5 mph.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Calm wind.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 95. Heat index values as high as 107. Calm wind becoming southeast around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 74. Southeast wind around 5 mph.
Thursday
A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. Heat index values as high as 102. South wind around 5 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 94. South wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 69. North wind around 5 mph.
Saturday
Sunny, with a high near 87. North wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 67. North wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 87. North wind 5 to 10 mph.
Sunday Night
Clear, with a low around 68. Northeast wind 5 to 10 mph becoming light in the evening.
Monday
Sunny, with a high near 90. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Clear, with a low around 69. East wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Siloam Springs AR
 36.19°N 94.53°W
4:50 am CDT Jul 29, 2026
5am CDT Jul 29, 2026-6pm CDT Aug 4, 2026
 
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Additional Resources

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Hourly Weather Forecast

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