Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Siloam Springs, Smith Field Airport (KSLG)

Lat: 36.2°NLon: 94.48°WElev: 1194ft.

Fair

105°F

41°C

Humidity 23%
Wind Speed W 16 G 28 mph
Barometer 29.87 in (1009.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 19 Aug 3:56 pm CDT
Extended Forecast for

5 Miles ESE Baron OK

Heat Advisory August 19, 04:37pm until August 19, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 19, 04:37pm until August 19, 09:00pm

    NOW until 9:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 104 °F

    Hot

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 75. Southwest wind around 5 mph becoming northeast after midnight.

    Low: 75 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 98. Calm wind becoming north around 5 mph in the afternoon.

    High: 98 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 71. North wind around 5 mph becoming east after midnight.

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 98. Calm wind becoming east around 5 mph in the afternoon.

    High: 98 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. East wind around 5 mph becoming calm.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm.  Mostly sunny, with a high near 99. South wind around 5 mph.  Chance of precipitation is 20%.

    High: 99 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. Calm wind becoming southeast around 5 mph in the evening.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 104. Southwest wind around 10 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. Southwest wind around 5 mph becoming northeast after midnight.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 98. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 71. North wind around 5 mph becoming east after midnight.
Friday
Sunny, with a high near 98. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 73. East wind around 5 mph becoming calm.
Saturday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 99. South wind around 5 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 74. Calm wind becoming southeast around 5 mph in the evening.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 99. East wind around 5 mph becoming south in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 98. South wind around 10 mph.
Monday Night
Mostly clear, with a low around 75. Southeast wind 5 to 10 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 99. South wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Baron OK
 35.88°N 94.53°W
3:50 pm CDT Aug 19, 2026
4pm CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database