Local Forecast

Mount Vernon, IL Weather Forecast & Alerts

Current conditions, 5-day forecast, active weather alerts for Mount Vernon, IL

Active Alerts 1 active

Hour-by-Hour  Current Observation

Saturday 8:55 PM CDTSaturday 8:55 PM

°F °C
Regional Observations →
81°F

Mostly Cloudy

  • 93° / 75° High / Low
  • 86° Feels Like
  • 0% Chance of Rain

Wind

0 mph

N

UV Index

0

None

Humidity

78%

Dew 73°F

Sun

5:46 AM · 8:16 PM

Rise · Set

Source: CENTRALIA (KENL). Slider scrubs the next 12 hours.

5-Day Outlook

Through Wednesday

Local Radar →

Tonight

75°

Isolated T-storm

Detailed forecast

Tonight

A slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 74. West northwest wind 0 to 6 mph. Chance of precipitation is 20%.

Sunday

89° 71°

Chance of Scattered Thunderstorms

Overnight: Mostly Cloudy

Detailed forecast

Sunday

A chance of showers and thunderstorms after noon. Mostly sunny. High near 89, with temperatures falling to around 86 in the afternoon. North northeast wind around 2 mph. Chance of precipitation is 40%.

Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Northeast wind around 2 mph. Chance of precipitation is 40%.

Monday

93° 75°

Mostly Sunny

Overnight: Partly Cloudy

Detailed forecast

Monday

Mostly sunny, with a high near 92. Wind around 0 mph.

Night

Partly cloudy, with a low around 75. South southwest wind 1 to 5 mph.

Tuesday

96° 71°

Isolated T-storm

Overnight: Mostly Clear

Detailed forecast

Tuesday

A slight chance of showers and thunderstorms after 7am. Sunny, with a high near 96. West wind 5 to 12 mph, with gusts as high as 18 mph.

Night

A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 68. North northwest wind 5 to 10 mph.

Wednesday

86° 64°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Wednesday

Sunny, with a high near 85. North wind 5 to 10 mph.

Night

Mostly clear, with a low around 62. Northeast wind 1 to 8 mph.

Mount Vernon, IL Weather Analysis Tools