Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Wednesday

In the Upper Midwest, heavy to excessive rain may bring flash and urban flooding through Wednesday. Scattered severe thunderstorms capable of large hail and damaging wind gusts are possible from the central High Plains into the Upper Midwest Wednesday. Extreme heat is ongoing over the Desert Southwest through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Siloam Springs, Smith Field Airport (KSLG)

Lat: 36.2°NLon: 94.48°WElev: 1194ft.

Fair

84°F

29°C

Humidity 63%
Wind Speed Calm
Barometer 30.06 in (1016.7 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 7 Jul 7:56 pm CDT
Extended Forecast for

Siloam Springs AR

  • Tonight

    Tonight: Mostly clear, with a low around 68. Northeast wind around 5 mph becoming calm.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 93. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Partly cloudy, with a low around 75. South wind around 5 mph.  Chance of precipitation is 60%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 89. Southwest wind 5 to 10 mph.  Chance of precipitation is 60%.

    High: 89 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Partly cloudy, with a low around 73. South wind around 5 mph.  Chance of precipitation is 60%.

    Low: 73 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 68. Northeast wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 73. South wind around 5 mph.
Thursday
Sunny, with a high near 94. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 76. South wind around 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 93. Southwest wind around 10 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 75. South wind around 5 mph. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 73. South wind around 5 mph. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. West wind around 5 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 71. East wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 72. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 92. Calm wind becoming east around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Siloam Springs AR
 36.19°N 94.53°W
7:50 pm CDT Jul 7, 2026
8pm CDT Jul 7, 2026-6pm CDT Jul 14, 2026
 
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Additional Resources

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Hourly Weather Forecast

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