Local Forecast

Sullivan, IL Weather Forecast & Alerts

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

No Active Alerts

Hour-by-Hour  Current Observation

Saturday 1:40 PM CDTSaturday 1:40 PM

°F °C
Regional Observations →
87°F

Mostly Clear

  • 87° / 69° High / Low
  • 94° Feels Like
  • 0% Chance of Rain

Wind

0 mph

N

UV Index

10

Very High

Humidity

59%

Dew 71°F

Sun

6:00 AM · 7:59 PM

Rise · Set

Source: DECATUR (KDEC). Slider scrubs the next 12 hours.

5-Day Outlook

Through Wednesday

Local Radar →

This Afternoon

87° 69°

Isolated T-storm

Overnight: Partly Cloudy

Detailed forecast

This Afternoon

Isolated showers and thunderstorms between 3pm and 4pm. Mostly sunny, with a high near 87. West wind around 6 mph. Chance of precipitation is 20%.

Night

Mostly clear, with a low around 69. South southwest wind around 3 mph.

Sunday

91° 73°

Partly Sunny

Overnight: Partly Cloudy

Detailed forecast

Sunday

Sunny, with a high near 90. Heat index values as high as 101. South southwest wind 5 to 14 mph, with gusts as high as 22 mph.

Night

Mostly clear, with a low around 73. South southwest wind 9 to 13 mph, with gusts as high as 21 mph.

Monday

91° 75°

Partly Sunny

Overnight: Isolated T-storm

Detailed forecast

Monday

Mostly sunny, with a high near 91. South southwest wind around 10 mph, with gusts as high as 16 mph.

Night

A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South southwest wind around 9 mph, with gusts as high as 16 mph.

Tuesday

89° 71°

Isolated T-storm

Overnight: Thunderstorms Likely

Detailed forecast

Tuesday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southwest wind around 10 mph, with gusts as high as 17 mph.

Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 50%.

Wednesday

86° 68°

Chance of Scattered Thunderstorms

Overnight: Rain Likely

Detailed forecast

Wednesday

A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.

Night

Showers and thunderstorms likely. Partly cloudy, with a low around 67.

Sullivan, IL Weather Analysis Tools