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

Hazardous Weather Conditions

Current conditions at

Siloam Springs, Smith Field Airport (KSLG)

Lat: 36.2°NLon: 94.48°WElev: 1194ft.

A Few Clouds

80°F

27°C

Humidity 74%
Wind Speed SW 3 mph
Barometer 30.02 in (1015.3 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 13 Jul 6:56 pm CDT
Extended Forecast for

Siloam Springs AR

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 83 °F

    Patchy Fog
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. Calm wind becoming south around 5 mph.

    Low: 68 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. South wind 5 to 10 mph.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. South wind around 5 mph.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 90. South wind 5 to 10 mph.

    High: 90 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 71. South wind around 5 mph.

    Low: 71 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Southwest wind 5 to 10 mph.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 70. South wind around 5 mph.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. Calm wind becoming south around 5 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. South wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 70. South wind around 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 90. South wind 5 to 10 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 71. South wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Southwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 70. South wind around 5 mph.
Friday
Mostly sunny, with a high near 91. Southwest wind around 5 mph.
Friday Night
Partly cloudy, with a low around 70. South wind around 5 mph.
Saturday
Mostly sunny, with a high near 91. South wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 72. South wind around 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91. Southwest wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Siloam Springs AR
 36.19°N 94.53°W
Last Update:
6:50 pm CDT Jul 13, 2025
Forecast Valid:
7pm CDT Jul 13, 2025-6pm CDT Jul 20, 2025
 
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