Extreme Heat and Severe Thunderstorms Today

Extreme heat continues today from the central Plains to the lower Mississippi River Valley, over southeast Montana, and from southern California into the Southwest Deserts. Extreme Heat Warnings remain in effect. Severe thunderstorms capable of strong to severe wind gusts and large hail are possible across the Great Lakes into the Ohio Valley today into tonight. Read More >

Current conditions at

Siloam Springs, Smith Field Airport (KSLG)

Lat: 36.2°NLon: 94.48°WElev: 1194ft.

Fair

95°F

35°C

Humidity 46%
Wind Speed SW 13 mph
Barometer 29.92 in (1011.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 27 Jul 2:56 pm CDT
Extended Forecast for

Watts OK

Heat Advisory until July 27, 08:00pm
Heat Advisory July 28, 12:00pm until July 28, 08:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory until July 27, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 98 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 77. South wind around 5 mph becoming calm  in the evening.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 99. Heat index values as high as 108. Calm wind becoming southwest around 5 mph.

    High: 99 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms between 1am and 4am.  Partly cloudy, with a low around 78. Calm wind.  Chance of precipitation is 20%.

    Low: 78 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 94 °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 75. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 75 °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 around 5 mph.

    High: 91 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 75. Southeast wind around 5 mph.

    Low: 75 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 98. Heat index values as high as 105. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 77. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 99. Heat index values as high as 108. Calm wind becoming southwest around 5 mph.
Tuesday Night
A slight chance of showers and thunderstorms between 1am and 4am. Partly cloudy, with a low around 78. Calm wind. Chance of precipitation is 20%.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Thursday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 91. Southeast wind around 5 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 75. Southeast wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 92. Southwest wind 5 to 10 mph.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 72. Northwest wind around 5 mph becoming east after midnight.
Saturday
Mostly sunny, with a high near 86. North wind 5 to 10 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 in the evening.
Sunday
Sunny, with a high near 88. Light north wind increasing to 5 to 10 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Watts OK
 36.12°N 94.58°W
1:50 pm CDT Jul 27, 2026
3pm CDT Jul 27, 2026-6pm CDT Aug 2, 2026
 
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Additional Resources

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