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

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

Okmulgee, Okmulgee Municipal Airport (KOKM)

Lat: 35.67°NLon: 95.95°WElev: 722ft.

Fair

74°F

23°C

Humidity 94%
Wind Speed S 8 mph
Barometer 29.67 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 17 Jun 5:55 am CDT
Extended Forecast for

Preston OK

  • Today

    Today: Sunny, with a high near 91. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 74. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Southeast wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 67. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Juneteenth

    Juneteenth: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly cloudy, with a high near 84. East wind around 5 mph. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. East wind around 5 mph.

    Low: 70 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Southeast wind 5 to 10 mph.

    High: 86 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. South wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 91 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 91. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 30 mph.
Tonight
Increasing clouds, with a low around 74. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Southeast wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. 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. Increasing clouds, with a low around 67. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Juneteenth
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly cloudy, with a high near 84. East wind around 5 mph. Chance of precipitation is 20%.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. East wind around 5 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Southeast wind 5 to 10 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. South wind around 10 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. South wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 73. South wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. South wind around 5 mph becoming northeast in the afternoon.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Northeast wind around 5 mph. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Northeast wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Preston OK
 35.72°N 95.99°W
Last Update:
2:50 am CDT Jun 17, 2026
Forecast Valid:
6am CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation