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

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Partly Cloudy

58°F

14°C

Humidity 90%
Wind Speed Calm
Barometer 29.93 in (1013.8 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 10 May 8:56 pm CDT
Extended Forecast for

Dahlgren IL

  • Tonight

    Tonight: Partly cloudy, with a low around 52. Calm wind becoming southwest around 5 mph after midnight.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 73. West southwest wind 5 to 14 mph becoming northwest in the morning. Winds could gust as high as 22 mph.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 48. West northwest wind around 6 mph becoming calm in the evening.

    Low: 48 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 79. Southwest wind 5 to 9 mph.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57. South wind around 8 mph.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 73. South wind 9 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    High: 73 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 59. South southeast wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    Low: 59 °F

    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. South southeast wind 9 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 73 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 56. North wind 11 to 13 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 52. Calm wind becoming southwest around 5 mph after midnight.
Saturday
Sunny, with a high near 73. West southwest wind 5 to 14 mph becoming northwest in the morning. Winds could gust as high as 22 mph.
Saturday Night
Clear, with a low around 48. West northwest wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 79. Southwest wind 5 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 57. South wind around 8 mph.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 73. South wind 9 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Monday Night
Showers and possibly a thunderstorm. Low around 59. South southeast wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. South southeast wind 9 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 56. North wind 11 to 13 mph, with gusts as high as 18 mph.
Wednesday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76. North northeast wind around 10 mph.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 55. East wind around 8 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. East southeast wind 8 to 11 mph becoming south in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. South wind around 11 mph becoming west southwest after midnight. Winds could gust as high as 18 mph.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 75. West wind 10 to 16 mph, with gusts as high as 24 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Dahlgren IL
 38.19°N 88.7°W
Last Update:
6:18 pm CDT May 10, 2024
Forecast Valid:
9pm CDT May 10, 2024-6pm CDT May 17, 2024
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation