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Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Partly Cloudy
97°F
36°C
| Humidity | 44% |
| Wind Speed | Calm |
| Barometer | 30.07 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 106°F (41°C) |
| Last update | 16 Aug 3:45 pm CDT |
Extended Forecast for
2 Miles ENE Frankfort Heights IL
Heat Advisory August 16, 04:46pm until August 19, 07:00pm
NOW until 7:00pm Tue
Heat Advisory
This Afternoon
High: 94 °F
Slight Chance
T-stormsTonight
Low: 74 °F
Slight Chance
T-storms then
Partly CloudySunday
High: 98 °F
Sunny then
Slight Chance
T-stormsSunday Night
Low: 74 °F
Slight Chance
T-storms then
Mostly ClearMonday
High: 99 °F
Hot
Monday Night
Low: 76 °F
Mostly Clear
Tuesday
High: 99 °F
Hot
Tuesday Night
Low: 73 °F
Chance
T-storms
Detailed Forecast
This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a steady temperature around 94. Light south southeast wind.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. Light south southeast wind.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 106. Calm wind becoming southeast around 5 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 74. Calm wind.
Monday
Sunny and hot, with a high near 99. Light east wind.
Monday Night
Mostly clear, with a low around 76. Light and variable wind.
Tuesday
Sunny and hot, with a high near 99. Calm wind becoming west northwest around 6 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Light and variable wind.
Wednesday
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 90. Light north wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 68. North northeast wind 5 to 8 mph.
Thursday
Mostly sunny, with a high near 86. North northeast wind 6 to 10 mph.
Thursday Night
Partly cloudy, with a low around 67. Northeast wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 89. Calm wind becoming northeast around 6 mph in the morning.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles ENE Frankfort Heights IL
37.93°N 88.82°W
37.93°N 88.82°W
4:31 pm CDT Aug 16, 2025
4pm CDT Aug 16, 2025-6pm CDT Aug 22, 2025
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