National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Thunderstorm in Vicinity Rain

59°F

15°C

Humidity 100%
Wind Speed S 12 mph
Barometer 29.95 in (1014.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 7 Mar 9:56 am CST
Extended Forecast for

3 Miles NNW Macedonia IL

  • Today

    Today: Showers and thunderstorms, mainly before 1pm. Temperature rising to near 69 by noon, then falling to around 59 during the remainder of the day. West northwest wind 9 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%.

    High: 69 °F⇓

    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. West northwest wind 6 to 11 mph becoming light northwest after midnight. Winds could gust as high as 18 mph.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 64. Calm wind becoming west southwest around 6 mph in the morning.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 44. South southwest wind around 6 mph.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73. South southwest wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after midnight. Partly cloudy, with a low around 61. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 61 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 78. South southwest wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    High: 78 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Cloudy, with a low around 64. South southwest wind 14 to 17 mph, with gusts as high as 29 mph.

    Low: 64 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Cloudy, with a high near 72. South southwest wind around 18 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 72 °F

    Showers

Detailed Forecast

Today
Showers and thunderstorms, mainly before 1pm. Temperature rising to near 69 by noon, then falling to around 59 during the remainder of the day. West northwest wind 9 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Tonight
Mostly cloudy, with a low around 39. West northwest wind 6 to 11 mph becoming light northwest after midnight. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 64. Calm wind becoming west southwest around 6 mph in the morning.
Sunday Night
Clear, with a low around 44. South southwest wind around 6 mph.
Monday
Sunny, with a high near 73. South southwest wind 6 to 15 mph, with gusts as high as 23 mph.
Monday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 61. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 78. South southwest wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Tuesday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 64. South southwest wind 14 to 17 mph, with gusts as high as 29 mph.
Wednesday
Showers and possibly a thunderstorm. Cloudy, with a high near 72. South southwest wind around 18 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
A chance of showers before midnight. Partly cloudy, with a low around 34. Northwest wind 10 to 18 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 50. Northwest wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 37. Light west southwest wind becoming south 8 to 13 mph in the evening. Winds could gust as high as 23 mph.
Friday
Partly sunny, with a high near 62. Southwest wind 14 to 18 mph, with gusts as high as 25 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Macedonia IL
 38.11°N 88.73°W
Last Update:
10:01 am CST Mar 7, 2026
Forecast Valid:
10am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation