Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Hazardous Weather Conditions

Current conditions at

Siloam Springs, Smith Field Airport (KSLG)

Lat: 36.2°NLon: 94.48°WElev: 1194ft.

Mostly Cloudy

88°F

31°C

Humidity 42%
Wind Speed Calm
Barometer 29.97 in (1013.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 3 Aug 1:56 pm CDT
Extended Forecast for

3 Miles W Decatur AR

  • This Afternoon

    This Afternoon: Sunny, with a high near 92. Calm wind becoming south around 5 mph.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 69. Southeast wind around 5 mph.

    Low: 69 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. South wind 5 to 10 mph.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73. South wind 5 to 10 mph.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 97. South wind 5 to 10 mph.

    High: 97 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 74. South wind around 5 mph.

    Low: 74 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 94. Southwest wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 94 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 90. Calm wind becoming south around 5 mph in the morning.

    High: 90 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 92. Calm wind becoming south around 5 mph.
Tonight
Clear, with a low around 69. Southeast wind around 5 mph.
Tuesday
Sunny, with a high near 95. South wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 73. South wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 97. South wind 5 to 10 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South wind around 5 mph.
Thursday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 94. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Calm wind becoming south around 5 mph in the morning.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. South wind around 5 mph.
Saturday
Mostly sunny, with a high near 92. South wind around 5 mph.
Saturday Night
Mostly clear, with a low around 72. South wind around 5 mph.
Sunday
Sunny, with a high near 94. South wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Decatur AR
 36.32°N 94.53°W
1:50 pm CDT Aug 3, 2026
2pm CDT Aug 3, 2026-6pm CDT Aug 9, 2026
 
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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