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Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
81°F
27°C
| Humidity | 72% |
| Wind Speed | Calm |
| Barometer | 30.05 in |
| Dewpoint | 71°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 85°F (29°C) |
| Last update | 16 Aug 8:35 pm CDT |
Extended Forecast for
Valier IL
Heat Advisory August 16, 08:43pm until August 19, 07:00pm
NOW until 7:00pm Tue
Heat Advisory
Tonight
Low: 74 °F
Partly Cloudy
Sunday
High: 99 °F
Mostly 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-stormsWednesday
High: 90 °F
Slight Chance
T-storms
Detailed Forecast
Tonight
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 99. Heat index values as high as 107. Light and variable wind becoming east around 5 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 74. Light and variable wind.
Monday
Sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 76. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 99. Calm wind becoming west northwest around 6 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Northeast wind around 6 mph becoming calm in the evening.
Wednesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 90. North wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 68. North northeast wind 6 to 10 mph.
Thursday
Mostly sunny, with a high near 87. North northeast wind 6 to 10 mph.
Thursday Night
Partly cloudy, with a low around 67. Northeast wind 3 to 8 mph.
Friday
Sunny, with a high near 90. Northeast wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around 67. Northeast wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 93. Calm wind becoming north around 6 mph in the afternoon.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Valier IL
38.03°N 89.04°W
38.03°N 89.04°W
8:15 pm CDT Aug 16, 2025
8pm CDT Aug 16, 2025-6pm CDT Aug 23, 2025
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