National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Hazardous Weather Conditions

Current conditions at

Siloam Springs, Smith Field Airport (KSLG)

Lat: 36.2°NLon: 94.48°WElev: 1194ft.

Fair

94°F

34°C

Humidity 46%
Wind Speed S 9 G 18 mph
Barometer 30.16 in (1019.7 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 15 Aug 11:56 am CDT
Extended Forecast for

4 Miles WNW Stilwell OK

Heat Advisory August 15, 12:10pm until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 15, 12:10pm until August 16, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 100 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 102. Heat index values as high as 107. Southwest wind 5 to 10 mph.

    High: 102 °F

    Hot

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. West wind around 5 mph becoming calm.

    Low: 75 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 97. Calm wind becoming north around 5 mph in the afternoon.

    High: 97 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. Calm wind becoming southwest around 5 mph in the morning.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. South wind around 5 mph.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 100. Heat index values as high as 106. South wind around 10 mph.
Tonight
Mostly clear, with a low around 77. South wind around 5 mph.
Sunday
Sunny and hot, with a high near 102. Heat index values as high as 107. Southwest wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. West wind around 5 mph becoming calm.
Monday
Mostly sunny, with a high near 97. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 73. Calm wind.
Tuesday
Sunny and hot, with a high near 100. Calm wind becoming southwest around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 76. South wind around 5 mph.
Wednesday
Sunny and hot, with a high near 101. Southwest wind 5 to 10 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. South wind around 5 mph becoming east after midnight.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96. East wind around 5 mph becoming north in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 71. East wind around 5 mph.
Friday
Sunny, with a high near 95. East wind around 5 mph becoming west in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Stilwell OK
 35.85°N 94.7°W
Last Update:
11:50 am CDT Aug 15, 2026
Forecast Valid:
12pm CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation