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

Severe Thunderstorms and Heavy Rain in the Central Plains; Dry Thunderstorms and Critical Fire Weather in the West

Severe thunderstorms and heavy rain may produce large to very-large hail, severe winds, tornadoes and numerous instances of flash flooding across portions of the central Plains. Scattered slow-moving storms will continue to bring a flash flooding threat to the central Gulf Coast. Elevated to critical fire weather conditions are expected across much of the western U.S.. Read More >

Hazardous Weather Conditions

Current conditions at

Siloam Springs, Smith Field Airport (KSLG)

Lat: 36.2°NLon: 94.48°WElev: 1194ft.

Fair

69°F

21°C

Humidity 100%
Wind Speed SE 7 mph
Barometer 30.05 in (1016.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 19 Jun 11:56 pm CDT
Extended Forecast for

Leach OK

  • Overnight

    Overnight: Mostly clear, with a low around 69. Southeast wind around 5 mph becoming calm.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Southeast wind around 5 mph.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 72. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly between 7am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 87. South wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 87 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 70. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    Low: 70 °F

    Heavy Rain

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Northwest wind around 5 mph becoming south in the morning.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 66. Northeast wind around 5 mph. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. East wind around 5 mph becoming north in the afternoon.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Northeast wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 69. Southeast wind around 5 mph becoming calm.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Southeast wind around 5 mph.
Saturday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 72. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday
A 40 percent chance of showers and thunderstorms, mainly between 7am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 87. South wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 70. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. Northwest wind around 5 mph becoming south in the morning.
Monday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 66. Northeast wind around 5 mph. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. East wind around 5 mph becoming north in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. Northeast wind around 5 mph becoming calm in the evening.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. East wind around 5 mph becoming south in the afternoon.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. Southeast wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. South wind 5 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Leach OK
 36.21°N 94.92°W
Last Update:
11:50 pm CDT Jun 19, 2026
Forecast Valid:
12am CDT Jun 20, 2026-6pm CDT Jun 26, 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