Widespread Damaging Winds Likely in the Northern Plains; Heat Continues in the Central and Southeast U.S.

Severe thunderstorms, heavy rainfall, and flooding are possible from the northern Rockies into the Upper Midwest. A derecho is likely across portions of the northern Plains, with several gusts expected to exceed 75 mph. Extreme heat is expected to intensify across much of the Southeast and Tennessee Valley, continuing through much of this week. Read More >

Current conditions at

Siloam Springs, Smith Field Airport (KSLG)

Lat: 36.2°NLon: 94.48°WElev: 1194ft.

A Few Clouds

91°F

33°C

Humidity 59%
Wind Speed SW 9 mph
Barometer 30.21 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 28 Jul 1:56 pm CDT
Extended Forecast for

Siloam Spgs Arpt AR

Heat Advisory until July 28, 08:00pm
Heat Advisory July 29, 12:00pm until July 29, 08:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory until July 28, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. Heat index values as high as 103. Calm wind becoming west around 5 mph.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 94. Calm wind becoming southwest around 5 mph.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms.  Mostly clear, with a low around 72. Calm wind becoming east around 5 mph.

    Low: 72 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 88. North wind around 5 mph.

    High: 88 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 68. Northeast wind 5 to 10 mph.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 94. Heat index values as high as 106. Southwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 94. Heat index values as high as 103. Calm wind becoming west around 5 mph.
Tuesday Night
Mostly clear, with a low around 75. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Calm wind becoming southwest around 5 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 72. Calm wind becoming east around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. North wind around 5 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Northeast wind 5 to 10 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 83. Northeast wind 5 to 10 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64. East wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. East wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 63. East wind around 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. East wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Siloam Spgs Arpt AR
 36.19°N 94.5°W
1:50 pm CDT Jul 28, 2025
2pm CDT Jul 28, 2025-6pm CDT Aug 3, 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