


Hazardous Weather Conditions
Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33°NLon: 88.85°WElev: 466ft.
A Few Clouds
77°F
25°C
Humidity | 79% |
Wind Speed | NE 7 mph |
Barometer | 29.91 in (1013.0 mb) |
Dewpoint | 70°F (21°C) |
Visibility | 10.00 mi |
Heat Index | 79°F (26°C) |
Last update | 16 Jun 5:56 pm CDT |
Extended Forecast for
Nason IL
Tonight
Low: 70 °F
Showers then
Chance
T-stormsTuesday
High: 86 °F
Chance
T-stormsTuesday Night
Low: 73 °F
Partly Cloudy
Wednesday
High: 86 °F
Chance
Showers then
Showers
LikelyWednesday Night
Low: 70 °F
Showers
LikelyJuneteenth
High: 85 °F
Slight Chance
T-storms then
SunnyThursday Night
Low: 68 °F
Mostly Clear
Friday
High: 89 °F
Sunny
Friday Night
Low: 74 °F
Mostly Clear
Detailed Forecast
Tonight
Showers and possibly a thunderstorm, mainly before 10pm, then a chance of showers and thunderstorms after 10pm. Low around 70. Calm wind. Chance of precipitation is 80%.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. Calm wind becoming south southwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 73. South wind 5 to 7 mph.
Wednesday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. South southwest wind 9 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. South southwest wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Juneteenth
A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 85. West northwest wind 3 to 6 mph. Chance of precipitation is 10%.
Thursday Night
Mostly clear, with a low around 68. Calm wind.
Friday
Sunny, with a high near 89. Calm wind becoming south southwest 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 74. South wind around 6 mph.
Saturday
Sunny, with a high near 93. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 76. South southwest wind 6 to 8 mph.
Sunday
Sunny, with a high near 94. South southwest wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 75. South wind 3 to 6 mph.
Monday
A chance of showers and thunderstorms. Sunny, with a high near 92. South southwest wind 3 to 8 mph.
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ABOUT THIS FORECAST
Point Forecast:
Nason IL
38.18°N 88.98°W
38.18°N 88.98°W
6:17 pm CDT Jun 16, 2025
6pm CDT Jun 16, 2025-6pm CDT Jun 23, 2025