Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

McAlester, McAlester Regional Airport (KMLC)

Lat: 34.88°NLon: 95.78°WElev: 768ft.

Thunderstorm in Vicinity Rain Fog/Mist

66°F

19°C

Humidity 93%
Wind Speed SE 8 mph
Barometer 30.11 in (1018.6 mb)
Dewpoint 64°F (18°C)
Visibility 5.00 mi
Last update 19 May 12:53 pm CDT
Extended Forecast for

7 Miles W Lamar OK

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms before 4pm.  Cloudy, with a high near 73. North wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 73 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am.  Cloudy, with a low around 57. North wind 6 to 8 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 74. North northeast wind around 7 mph.  Chance of precipitation is 30%.

    High: 74 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am.  Increasing clouds, with a low around 62. Northeast wind 3 to 7 mph.  Chance of precipitation is 60%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 10am.  High near 74. North northeast wind 5 to 7 mph becoming east southeast in the afternoon.  Chance of precipitation is 90%.

    High: 74 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 4am, then showers likely.  Low around 61. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 7am.  Partly sunny, with a high near 81. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    T-storms
    Likely

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 80.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms before 4pm. Cloudy, with a high near 73. North wind 8 to 10 mph, with gusts as high as 18 mph.
Tonight
A slight chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Cloudy, with a low around 57. North wind 6 to 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 74. North northeast wind around 7 mph. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Increasing clouds, with a low around 62. Northeast wind 3 to 7 mph. Chance of precipitation is 60%.
Thursday
Showers, with thunderstorms also possible after 10am. High near 74. North northeast wind 5 to 7 mph becoming east southeast in the afternoon. Chance of precipitation is 90%.
Thursday Night
Showers and possibly a thunderstorm before 4am, then showers likely. Low around 61. Chance of precipitation is 80%.
Friday
A slight chance of showers, with thunderstorms also possible after 7am. Partly sunny, with a high near 81. Chance of precipitation is 20%.
Friday Night
Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Memorial Day
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles W Lamar OK
 35.09°N 96.24°W
1:26 pm CDT May 19, 2026
1pm CDT May 19, 2026-6pm CDT May 25, 2026
 
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Additional Resources

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