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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
75°F
24°C
Humidity | 92% |
Wind Speed | Calm |
Barometer | 30.05 in |
Dewpoint | 73°F (23°C) |
Visibility | 10.00 mi |
Last update | 17 Aug 1:55 am CDT |
Extended Forecast for
Valier IL
Heat Advisory August 17, 02:17am until August 19, 07:00pm
NOW until 7:00pm Tue
Heat Advisory
Overnight
Low: 75 °F
Mostly Clear
Sunday
High: 99 °F
Sunny then
Slight Chance
T-stormsSunday Night
Low: 75 °F
Slight Chance
T-storms then
Partly CloudyMonday
High: 100 °F
Hot
Monday Night
Low: 76 °F
Mostly Clear
Tuesday
High: 99 °F
Sunny then
Slight Chance
T-stormsTuesday Night
Low: 73 °F
Chance
T-stormsWednesday
High: 91 °F
Chance
T-storms
Detailed Forecast
Overnight
Mostly clear, with a low around 75. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 75. North northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 100. Heat index values as high as 108. Calm wind becoming northeast 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
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 99. Calm wind becoming west around 6 mph in the morning.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. West wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Light north wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 68. North northeast wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 89. North northeast wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 68. North northeast wind 5 to 9 mph becoming light in the evening.
Friday
Sunny, with a high near 91. North northeast wind 3 to 8 mph.
Friday Night
Mostly clear, with a low around 68. North northeast wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 92. Calm wind becoming north 5 to 7 mph in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
Valier IL
38.03°N 89.04°W
38.03°N 89.04°W
1:30 am CDT Aug 17, 2025
2am CDT Aug 17, 2025-6pm CDT Aug 23, 2025