Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
90°F
32°C
| Humidity | 63% |
| Wind Speed | W 6 mph |
| Barometer | 30.07 in |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 101°F (38°C) |
| Last update | 16 Aug 10:45 am CDT |
Extended Forecast for
Buckner IL
Extreme Heat Warning August 16, 12:23pm until August 16, 08:00pm
NOW until 8:00pm Sun

Extreme Heat Warning
This Afternoon

High: 94 °F
Slight Chance
T-stormsTonight

Low: 73 °F
Chance
T-stormsMonday
High: 89 °F
Chance
T-storms then
Mostly SunnyMonday Night

Low: 67 °F
Mostly Clear
Tuesday

High: 91 °F
Sunny
Tuesday Night
Low: 71 °F
Mostly Clear
then Slight
Chance
T-stormsWednesday

High: 92 °F
Chance
ShowersWednesday Night

Low: 69 °F
Chance
T-storms
Detailed Forecast
This Afternoon
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a steady temperature around 94. Heat index values as high as 110. West wind around 7 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 73. Calm wind.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 9am. Mostly sunny, with a high near 89. Light north northwest wind increasing to 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 67. North northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 91. Calm wind.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Calm wind.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 92. Calm wind becoming south southwest 5 to 8 mph in the morning.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Northeast wind 3 to 7 mph.
Thursday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 85. North northeast wind 3 to 8 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Northeast wind around 6 mph becoming calm in the evening.
Friday
A slight chance of showers. Mostly sunny, with a high near 86. Calm wind becoming north around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 65. Light north wind.
Saturday
Mostly sunny, with a high near 88. Calm wind becoming north northwest 5 to 7 mph in the morning.
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ABOUT THIS FORECAST
Point Forecast:
Buckner IL
38°N 88.99°W
38°N 88.99°W
11:41 am CDT Aug 16, 2026
12pm CDT Aug 16, 2026-6pm CDT Aug 22, 2026



