Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

77°F

25°C

Humidity	54%
Wind Speed	S 9 mph
Barometer	29.86 in (1011.1 mb)
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	17 Oct 4:56 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles SSE Dahlgren IL

Tonight
Low: 62 °F
Decreasing
Clouds
Saturday
High: 82 °F
Slight Chance
T-storms then
Showers
Likely
Saturday Night
Low: 50 °F
Showers
Sunday
High: 64 °F
Breezy.
Chance
Showers then
Sunny
Sunday Night
Low: 40 °F
Clear
Monday
High: 72 °F
Sunny then
Sunny and
Breezy
Monday Night
Low: 49 °F
Mostly Clear
Tuesday
High: 65 °F
Sunny then
Sunny and
Breezy
Tuesday Night
Low: 39 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly cloudy, then gradually becoming mostly clear, with a low around 62. South wind around 7 mph.

Saturday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a high near 82. South southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

Saturday Night

Showers and possibly a thunderstorm before 4am, then showers likely. Low around 50. South southwest wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

Sunday

A 30 percent chance of showers, mainly before 7am. Partly sunny, then gradually becoming sunny, with a high near 64. Breezy, with a west northwest wind 18 to 22 mph, with gusts as high as 33 mph.

Sunday Night

Clear, with a low around 40. West northwest wind 5 to 8 mph becoming calm in the evening.

Monday

Sunny, with a high near 72. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 26 mph.

Monday Night

Mostly clear, with a low around 49. South southwest wind 10 to 16 mph becoming west after midnight. Winds could gust as high as 23 mph.

Tuesday

Sunny, with a high near 65. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 23 mph.

Tuesday Night

Mostly clear, with a low around 39. West northwest wind 5 to 10 mph becoming light after midnight.

Wednesday

Sunny, with a high near 65. West northwest wind 3 to 7 mph.