Areas of Excessive Rainfall and Severe Thunderstorms; Fire Weather Concerns in the Northern Plains and Four Corners Region

Widespread showers and thunderstorms may bring areas of flash flooding across much of the Southern Plains into the Gulf Coast region and the upper Ohio River Valley into the Mid-Atlantic. A large Pacific storm will bring widespread rain, gusty winds, and mountain snow to California and the Great Basin. Fire weather concerns expected in the Northern Plains and the Four Corners region. Read More >

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

69°F

21°C

Humidity 98%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 68°F (20°C)
Visibility 7.00 mi
Last update 26 May 10:55 pm CDT
Extended Forecast for

Buckner IL

  • Tonight

    Tonight: A chance of showers before 3am, then a slight chance of showers after 5am.  Patchy fog after 4am.  Otherwise, cloudy, with a low around 65. Calm wind.  Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm.  Cloudy, then gradually becoming mostly sunny, with a high near 82. Calm wind becoming west around 6 mph in the morning.

    High: 82 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 7pm.  Patchy fog after 5am.  Otherwise, increasing clouds, with a low around 64. Light north wind.

    Low: 64 °F

    Chance
    T-storms then
    Patchy Fog

  • Thursday

    Thursday: Partly sunny, with a high near 84. Calm wind becoming east northeast 5 to 9 mph in the morning.

    High: 84 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 64. East northeast wind 5 to 7 mph.

    Low: 64 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 80. East wind around 8 mph.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 62. East northeast wind 5 to 7 mph becoming calm  in the evening.

    Low: 62 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 81. East northeast wind 3 to 8 mph.

    High: 81 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 62. East northeast wind 3 to 6 mph.

    Low: 62 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers before 3am, then a slight chance of showers after 5am. Patchy fog after 4am. Otherwise, cloudy, with a low around 65. Calm wind. Chance of precipitation is 40%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 82. Calm wind becoming west around 6 mph in the morning.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 7pm. Patchy fog after 5am. Otherwise, increasing clouds, with a low around 64. Light north wind.
Thursday
Partly sunny, with a high near 84. Calm wind becoming east northeast 5 to 9 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 64. East northeast wind 5 to 7 mph.
Friday
Partly sunny, with a high near 80. East wind around 8 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62. East northeast wind 5 to 7 mph becoming calm in the evening.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. East northeast wind 3 to 8 mph.
Saturday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62. East northeast wind 3 to 6 mph.
Sunday
A slight chance of showers. Mostly sunny, with a high near 81. East northeast wind 7 to 9 mph.
Sunday Night
Partly cloudy, with a low around 60. East northeast wind 5 to 7 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 81. Northeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 59. Northeast wind 3 to 8 mph.
Tuesday
Sunny, with a high near 80. Northeast wind 6 to 11 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Buckner IL
 37.98°N 89.05°W
11:01 pm CDT May 26, 2026
11pm CDT May 26, 2026-6pm CDT Jun 2, 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