Local Forecast

Shannon, IL Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Shannon, IL.

Active Alerts 2 active

Hour-by-Hour  Current Observation

Sunday 1:15 PM CDTSunday 1:15 PM

°F °C
Regional Observations →
77°F

Clear

  • 86° / 75° High / Low
  • 77° Feels Like
  • 0% Chance of Rain

Wind

10 mph

E

UV Index

11

Extreme

Humidity

77%

Dew 69°F

Sun

5:24 AM · 8:39 PM

Rise · Set

Source: SAVANNA/TRITOWN (KSFY). Slider scrubs the next 12 hours.

5-Day Outlook

Through Thursday

Local Radar →

Today

86° 75°

Thunderstorms Likely

Overnight: Mostly Cloudy

Detailed forecast

Today

Showers and thunderstorms likely between 2pm and 5pm. Cloudy, with a high near 84. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

Night

Mostly cloudy, with a low around 75. South wind around 15 mph, with gusts as high as 25 mph.

Monday

93° 77°

Partly Sunny

Overnight: Mostly Clear

Detailed forecast

Monday

Sunny, with a high near 93. Heat index values as high as 107. South wind 10 to 20 mph, with gusts as high as 30 mph.

Night

Mostly clear, with a low around 77. Heat index values as high as 106. South wind 15 to 20 mph, with gusts as high as 30 mph.

Tuesday

93° 77°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Tuesday

Sunny, with a high near 93.

Night

Mostly clear, with a low around 76.

Wednesday

93° 75°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Wednesday

Sunny, with a high near 93.

Night

Mostly clear, with a low around 75.

Thursday

93° 73°

Isolated T-storm

Overnight: Chance of Scattered Thunderstorms

Detailed forecast

Thursday

A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 92.

Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 30%.

Shannon, IL Weather Analysis Tools