Heat Expands for Center of the Nation; Severe Thunderstorms for Plains and Upper Midwest

Dangerous heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest. Critical fire weather for portions of the Intermountain West. Risk for severe thunderstorms and flash flooding across the Upper Midwest/Great Lakes, Ohio Valley, and portions of the mid-Atlantic. Active monsoonal moisture fuels thunderstorms over the Southwest. Hurricane Fausto in the Pacific, should weaken Read More >

Current conditions at

Siloam Springs, Smith Field Airport (KSLG)

Lat: 36.2°NLon: 94.48°WElev: 1194ft.

Fair

84°F

29°C

Humidity 70%
Wind Speed SW 7 mph
Barometer 30.07 in (1016.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 26 Jul 8:56 am CDT
Extended Forecast for

2 Miles NNW Gallitin AR

Heat Advisory July 26, 12:00pm until July 26, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny, with a high near 98. Heat index values as high as 107. Southwest wind 5 to 10 mph.

    High: 98 °F

    Sunny

  • Tonight

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

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 99. Heat index values as high as 108. Southwest wind 5 to 10 mph.

    High: 99 °F

    Sunny

  • Monday Night

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

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 99. Southwest wind around 5 mph.

    High: 99 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming southeast after midnight.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 95. South wind around 5 mph.

    High: 95 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 74. Southeast wind around 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 95. South wind 5 to 10 mph.

    High: 95 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 98. Heat index values as high as 107. Southwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 76. South wind around 5 mph.
Monday
Sunny, with a high near 99. Heat index values as high as 108. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 77. South wind around 5 mph.
Tuesday
Sunny, with a high near 99. Southwest wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming southeast after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 95. South wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 74. Southeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 95. South wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. Southeast wind around 5 mph.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Southwest wind 5 to 10 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 71. North wind 5 to 10 mph becoming east after midnight.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. North wind 5 to 10 mph.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Gallitin AR
 36.23°N 94.45°W
8:51 am CDT Jul 26, 2026
9am CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database