Strong Storm to Move Onto the Plains and East This Week

A powerful storm will track across the Southwest with additional heavy precipitation and strong winds. This storm will track into the Plains and evolve into a heavy rainfall and severe weather threat from the Ohio Valley into the Mid-Mississippi Valley Thursday into Friday. The next system is forecast to arrive for the Pacific Northwest this week and into the weekend with wind, rain and snow. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33° N Lon: 88.85° W Elev: 466 ft.

Overcast

55°F

13°C

Humidity	90%
Wind Speed	S 15 mph
Barometer	30.05 in (1017.9 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Wind Chill	51°F (11°C)
Last update	22 Mar 11:56 am CDT

More Information:

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

Detailed forecast for

Marion County

Today

Cloudy. A chance of rain, mainly this morning. Not as cool with highs around 60. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.

Tonight

Cloudy. Patchy fog in the evening. A chance of showers and thunderstorms, mainly in the evening. Not as cool with lows in the upper 50s. South winds 10 to 15 mph with gusts up to 35 mph. Chance of rain 40 percent.

Thursday

Cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Not as cool with highs in the lower 70s. Temperature falling into the mid 60s in the afternoon. Southwest winds 10 to 15 mph with gusts up to 35 mph. Chance of rain 80 percent.

Thursday Night

Showers with a chance of thunderstorms. Locally heavy rainfall possible. Cooler. Less humid with lows in the mid 40s. Northeast winds 10 to 15 mph. Chance of rain near 100 percent.

Friday

Showers with a slight chance of thunderstorms. Much cooler with highs in the mid 50s. Northeast winds 10 to 15 mph. Chance of rain near 100 percent.

Friday Night

Showers with a slight chance of thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the mid 40s. Chance of rain near 100 percent.

Saturday

Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 50s.

Saturday Night

Mostly clear. Lows in the upper 30s.

Sunday

Mostly sunny. A slight chance of showers in the afternoon. Highs in the lower 60s. Chance of rain 20 percent.

Sunday Night

Mostly cloudy with a 40 percent chance of showers. Lows in the lower 40s.

Monday And Monday Night

Mostly cloudy. A 20 percent chance of showers. Highs in the mid 50s. Lows in the upper 30s.

Tuesday

Mostly sunny. Highs in the lower 50s.