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

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Hazardous Weather Conditions

Current conditions at

Grove, Grove Municipal Airport (KGMJ)

Lat: 36.61°NLon: 94.74°WElev: 833ft.

Fair

90°F

32°C

Humidity NA
Wind Speed S 18 G 26 mph
Barometer 29.55 in
Dewpoint N/A
Visibility 10.00 mi
Last update 17 Jun 4:15 pm CDT
Extended Forecast for

Spavinaw OK

  • This Afternoon

    This Afternoon: Sunny, with a high near 91. Heat index values as high as 103. South wind around 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 74. Southwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 74 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. Light east 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: 81 °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 67. Northeast wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Juneteenth

    Juneteenth: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Mostly cloudy, with a high near 85. East wind around 5 mph. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm. Chance of precipitation is 50%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. South wind around 5 mph. Chance of precipitation is 60%.

    High: 86 °F

    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 5 to 10 mph.

    Low: 74 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 90 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 91. Heat index values as high as 103. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 74. Southwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Thursday
A chance of showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. Light east 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 67. Northeast wind 5 to 10 mph. Chance of precipitation is 60%.
Juneteenth
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Mostly cloudy, with a high near 85. East wind around 5 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm. Chance of precipitation is 50%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. 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 5 to 10 mph.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. 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 becoming east after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Monday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. East wind around 5 mph becoming north in the morning.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East wind around 5 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Calm wind becoming south around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Spavinaw OK
 36.39°N 95.06°W
Last Update:
2:50 pm CDT Jun 17, 2026
Forecast Valid:
4pm 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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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation