Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
Fair
66°F
19°C
| Humidity | 96% |
| Wind Speed | N 3 mph |
| Barometer | 29.92 in (1013.0 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 3 Aug 2:56 am CDT |
Extended Forecast for
Belle Rive IL
Overnight

Low: 61 °F
Patchy Fog
Monday
High: 85 °F
Patchy Fog
then SunnyMonday Night
Low: 62 °F
Mostly Clear
then Patchy
FogTuesday
High: 86 °F
Patchy Fog
then SunnyTuesday Night

Low: 62 °F
Mostly Clear
Wednesday

High: 89 °F
Sunny
Wednesday Night

Low: 67 °F
Mostly Clear
Thursday

High: 88 °F
Chance
ShowersThursday Night
Low: 68 °F
Chance
T-storms then
Showers
Likely
Detailed Forecast
Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 61. Calm wind.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 85. Light north northeast wind.
Monday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 62. Calm wind.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 86. Calm wind.
Tuesday Night
Mostly clear, with a low around 62. Calm wind.
Wednesday
Sunny, with a high near 89. Calm wind.
Wednesday Night
Mostly clear, with a low around 67. Calm wind.
Thursday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Calm wind.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Calm wind.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Calm wind.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 69. Calm wind.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming southwest 5 to 7 mph in the morning.
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ABOUT THIS FORECAST
Point Forecast:
Belle Rive IL
38.24°N 88.75°W
38.24°N 88.75°W
1:56 am CDT Aug 3, 2026
3am CDT Aug 3, 2026-6pm CDT Aug 9, 2026



