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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Hazardous Weather Conditions

Current conditions at

Siloam Springs, Smith Field Airport (KSLG)

Lat: 36.2°NLon: 94.48°WElev: 1194ft.

Fair

81°F

27°C

Humidity 65%
Wind Speed SW 6 mph
Barometer 30.04 in (1016.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 20 Jun 10:56 am CDT
Extended Forecast for

Leach OK

  • Today

    Today: Mostly sunny, with a high near 85. South wind around 5 mph.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 73. South wind 5 to 10 mph.

    Low: 73 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 88. South wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 88 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm, mainly after 7pm. Low around 69. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    Low: 69 °F

    T-storms then
    Showers

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. South wind around 5 mph becoming north in the afternoon.

    High: 80 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Northeast wind around 5 mph. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. East wind around 5 mph.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. Northeast wind around 5 mph becoming calm.

    Low: 67 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 83 °F

    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 85. South wind around 5 mph.
Tonight
Increasing clouds, with a low around 73. South wind 5 to 10 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 88. South wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Showers and possibly a thunderstorm, mainly after 7pm. Low around 69. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. South wind around 5 mph becoming north in the afternoon.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Northeast wind around 5 mph. Chance of precipitation is 70%.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. East wind around 5 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. Northeast wind around 5 mph becoming calm.
Wednesday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83. Calm wind becoming northeast around 5 mph in the afternoon.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66. Northeast wind around 5 mph becoming calm in the evening.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Southeast wind around 5 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. Southeast wind around 5 mph.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. South wind 5 to 10 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Leach OK
 36.21°N 94.92°W
Last Update:
11:11 am CDT Jun 20, 2026
Forecast Valid:
11am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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