Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Current conditions at

Siloam Springs, Smith Field Airport (KSLG)

Lat: 36.2°NLon: 94.48°WElev: 1194ft.

Fair

89°F

32°C

Humidity 57%
Wind Speed S 5 mph
Barometer 29.87 in (1009.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 27 Jul 7:56 pm CDT
Extended Forecast for

Westville OK

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

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

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 99. Heat index values as high as 105. South wind around 5 mph becoming west in the afternoon.

    High: 99 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 77. East wind around 5 mph becoming calm.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 93. Heat index values as high as 100. Calm wind becoming southeast around 5 mph in the morning.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 74. Southeast wind around 5 mph.

    Low: 74 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 91. Southeast wind 5 to 10 mph.

    High: 91 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 74. Southeast wind 5 to 10 mph.

    Low: 74 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly sunny, with a high near 92. South wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 92 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Mostly clear, with a low around 72. Northwest wind 5 to 10 mph becoming east in the evening.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 76. South wind around 5 mph.
Tuesday
Mostly sunny, with a high near 99. Heat index values as high as 105. South wind around 5 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 77. East wind around 5 mph becoming calm.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 100. Calm wind becoming southeast around 5 mph in the morning.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. Southeast wind around 5 mph.
Thursday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 91. Southeast wind 5 to 10 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. Southeast wind 5 to 10 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 92. South wind around 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly clear, with a low around 72. Northwest wind 5 to 10 mph becoming east in the evening.
Saturday
Mostly sunny, with a high near 86. North wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 69. North wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 88. North wind 5 to 10 mph.
Sunday Night
Clear, with a low around 69. Northeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 89. Calm wind becoming southeast around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Westville OK
 35.99°N 94.58°W
7:56 pm CDT Jul 27, 2026
8pm CDT Jul 27, 2026-6pm CDT Aug 3, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database