Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Siloam Springs, Smith Field Airport (KSLG)

Lat: 36.2°NLon: 94.48°WElev: 1194ft.

Fair

70°F

21°C

Humidity 100%
Wind Speed S 7 mph
Barometer 29.71 in (1004.8 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 17 Jun 5:56 am CDT
Extended Forecast for

6 Miles NW Colcord OK

  • Today

    Today: Sunny, with a high near 90. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 1am.  Increasing clouds, with a low around 73. South wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.

    Low: 73 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 82. Light and variable wind becoming northeast 5 to 10 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 65. Northeast wind 5 to 10 mph.  Chance of precipitation is 70%.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Juneteenth

    Juneteenth: A slight chance of thunderstorms before 7am.  Partly sunny, with a high near 85. East wind around 5 mph.  Chance of precipitation is 10%.

    High: 85 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 68. East wind around 5 mph becoming calm.

    Low: 68 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 85. South wind around 5 mph.  Chance of precipitation is 60%.

    High: 85 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 74. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 88. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 88 °F

    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 90. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 30 mph.
Tonight
A 30 percent chance of showers and thunderstorms before 1am. Increasing clouds, with a low around 73. South wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. Light and variable wind becoming northeast 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Northeast wind 5 to 10 mph. Chance of precipitation is 70%.
Juneteenth
A slight chance of thunderstorms before 7am. Partly sunny, with a high near 85. East wind around 5 mph. Chance of precipitation is 10%.
Friday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. East wind around 5 mph becoming calm.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. South wind around 5 mph. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 74. South wind around 10 mph, with gusts as high as 20 mph.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Showers and possibly a thunderstorm. Low around 72. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Southwest wind around 5 mph becoming north in the afternoon.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Colcord OK
 36.32°N 94.75°W
2:50 am CDT Jun 17, 2026
6am CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
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