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

Muskogee-Davis Regional Airport (KMKO)

Lat: 35.66°NLon: 95.36°WElev: 607ft.

Overcast

79°F

26°C

Humidity 79%
Wind Speed S 12 G 22 mph
Barometer 29.69 in (1004.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 Jun 8:53 am CDT
Extended Forecast for

Onapa OK

  • Today

    Today: Sunny, with a high near 91. Heat index values as high as 101. South wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 75. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 87. Southeast wind 5 to 10 mph becoming northeast in the afternoon.

    High: 87 °F

    Chance
    T-storms

  • 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 69. Northeast wind 5 to 10 mph.  Chance of precipitation is 70%.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Juneteenth

    Juneteenth: A 30 percent chance of showers and thunderstorms before 1pm.  Mostly cloudy, with a high near 84. East wind around 5 mph.

    High: 84 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 72. East wind around 5 mph.

    Low: 72 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 87. South wind 5 to 10 mph.

    High: 87 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 76. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 90. South wind around 15 mph, with gusts as high as 30 mph.

    High: 90 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 91. Heat index values as high as 101. South wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 75. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 87. Southeast wind 5 to 10 mph becoming northeast in the afternoon.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Northeast wind 5 to 10 mph. Chance of precipitation is 70%.
Juneteenth
A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 84. East wind around 5 mph.
Friday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. East wind around 5 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. South wind 5 to 10 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. South wind around 10 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. South wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 75. 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 86. South wind 5 to 10 mph becoming north in the afternoon.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Northeast wind around 5 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. East wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Onapa OK
 35.4°N 95.55°W
6:50 am CDT Jun 17, 2026
9am CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

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