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.

Fog/Mist

60°F

16°C

Humidity 96%
Wind Speed NW 6 mph
Barometer 30.14 in (1020.0 mb)
Dewpoint 59°F (15°C)
Visibility 2.50 mi
Last update 20 May 1:53 am CDT
Extended Forecast for

7 Miles W Lamar OK

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms.  Patchy fog.  Otherwise, cloudy, with a low around 56. North wind around 7 mph.

    Low: 56 °F

    Chance
    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms before 10am.  Mostly cloudy, with a high near 71. North wind around 7 mph.

    High: 71 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 61. Northeast wind 3 to 7 mph.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm.  High near 71. East southeast wind 5 to 7 mph.  Chance of precipitation is 90%.

    High: 71 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm.  Low around 62. Southeast wind 3 to 6 mph.  Chance of precipitation is 80%.

    Low: 62 °F

    Showers

  • Friday

    Friday: A slight chance of thunderstorms before 7am.  Partly sunny, with a high near 81. Chance of precipitation is 10%.

    High: 81 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 10pm, then showers and thunderstorms likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    T-storms
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 1am.  Mostly cloudy, with a low around 63. Chance of precipitation is 70%.

    Low: 63 °F

    T-storms
    Likely

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a low around 56. North wind around 7 mph.
Wednesday
A 20 percent chance of showers and thunderstorms before 10am. Mostly cloudy, with a high near 71. North wind around 7 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Northeast wind 3 to 7 mph.
Thursday
Showers and possibly a thunderstorm. High near 71. East southeast wind 5 to 7 mph. Chance of precipitation is 90%.
Thursday Night
Showers and possibly a thunderstorm. Low around 62. Southeast wind 3 to 6 mph. Chance of precipitation is 80%.
Friday
A slight chance of thunderstorms before 7am. Partly sunny, with a high near 81. Chance of precipitation is 10%.
Friday Night
Showers likely and possibly a thunderstorm before 10pm, then showers and thunderstorms likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 79.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Memorial Day
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles W Lamar OK
 35.09°N 96.24°W
1:26 am CDT May 20, 2026
2am CDT May 20, 2026-6pm CDT May 26, 2026
 
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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