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

Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. 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 56%
Wind Speed SW 12 mph
Barometer 30.02 in (1015.0 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 25 Jul 4:56 pm CDT
Extended Forecast for

6 Miles WSW Watts OK

Heat Advisory July 26, 12:00pm until July 26, 08:00pm
Heat Advisory July 25, 05:14pm until July 25, 08:00pm
Click here for hazard details and duration
Heat Advisory
...
  •  
    Heat Advisory July 25, 05:14pm until July 25, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Tonight

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 98. Heat index values as high as 106. Southwest wind around 5 mph.

    High: 98 °F

    Sunny

  • Sunday Night

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

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 98. Heat index values as high as 104. Southwest wind 5 to 10 mph.

    High: 98 °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. Calm wind becoming south around 5 mph after midnight.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. South wind around 5 mph.

    High: 94 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 77. South wind around 5 mph.
Sunday
Sunny, with a high near 98. Heat index values as high as 106. Southwest wind around 5 mph.
Sunday Night
Mostly clear, with a low around 76. South wind around 5 mph.
Monday
Sunny, with a high near 98. Heat index values as high as 104. 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. Calm wind becoming south around 5 mph after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. South wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 75. Southeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 94. South wind around 5 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. 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 93. South wind 5 to 10 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. South wind around 5 mph becoming east after midnight.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Northeast wind 5 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Watts OK
 36.08°N 94.67°W
Last Update:
4:56 pm CDT Jul 25, 2026
Forecast Valid:
5pm CDT Jul 25, 2026-6pm CDT Aug 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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