Local Forecast

Shannon, IL Weather Forecast & Alerts

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

Active Alerts 1 active

Hour-by-Hour  Current Observation

Thursday 1:55 PM CDTThursday 1:55 PM

°F °C
Regional Observations →
74°F

Partly Cloudy

  • 77° / 64° High / Low
  • 74° Feels Like
  • 0% Chance of Rain

Wind

9 mph

G 17 mph

E

UV Index

8

Very High

Humidity

94%

Dew 72°F

Sun

6:04 AM · 8:02 PM

Rise · Set

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

5-Day Outlook

Through Monday

Local Radar →

Today

77° 64°

Thunderstorms

Overnight: Thunderstorms

Detailed forecast

Today

Occasional showers and thunderstorms. Mostly cloudy. High near 77, with temperatures falling to around 74 in the afternoon. East wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Night

Occasional showers and thunderstorms. Mostly cloudy. Low around 64, with temperatures rising to around 66 overnight. East wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

Friday

80° 68°

Thunderstorms Likely

Overnight: Thunderstorms Likely

Detailed forecast

Friday

Showers and thunderstorms likely before 7am, then showers and thunderstorms likely between 7am and noon, then a slight chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 79. East wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Night

Showers and thunderstorms. Mostly cloudy, with a low around 67. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday

84° 71°

Thunderstorms Likely

Overnight: Thunderstorms Likely

Detailed forecast

Saturday

Showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Night

A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

Sunday

82° 64°

Isolated T-storm

Overnight: Mostly Clear

Detailed forecast

Sunday

Showers and thunderstorms likely before 7am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

Night

A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 63.

Monday

78° 59°

Partly Sunny

Overnight: Mostly Clear

Detailed forecast

Monday

Mostly sunny, with a high near 78.

Night

Mostly clear, with a low around 59.

Shannon, IL Weather Analysis Tools