Wind
SSE
6 mph
G 0 mph
Local Forecast
Sullivan, IL Weather Forecast & Alerts
Current conditions, 5-day forecast, and active NWS weather alerts for Sullivan, IL.
Get Alerts No Active Alerts
Hour-by-Hour Current Observation
Sunday 3:25 AM CDTSunday 3:25 AM
°F
°C
66°F
Clear
- 86° / 66° High / Low
- 66° Feels Like
- 0% Chance of Rain
UV Index
0
None
Humidity
94%
Dew 64°F
Sun
5:38 AM · 8:02 PM
Rise · Set
Source: MATTOON/CHARLEST (KMTO). Slider scrubs the next 12 hours.
5-Day Outlook
Through Thursday
Today
86° 66°
Partly Sunny
Overnight: Partly Cloudy
Detailed forecast
Today
Sunny, with a high near 85. South wind 10 to 18 mph, with gusts as high as 31 mph.
Night
Mostly clear, with a low around 66. South wind around 16 mph, with gusts as high as 28 mph.
Monday
84° 68°
Thunderstorms
Overnight: Chance of Thunderstorms
Detailed forecast
Monday
A chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms. Partly sunny, with a high near 84. South wind 15 to 21 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Night
Showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Tuesday
84° 59°
Thunderstorms
Overnight: Thunderstorms Likely
Detailed forecast
Tuesday
A chance of showers and thunderstorms before 1pm, then showers and thunderstorms. Partly sunny, with a high near 84. South southwest wind 15 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Night
Showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 59. West wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
69° 48°
Mostly Cloudy
Overnight: Mostly Cloudy
Detailed forecast
Wednesday
A chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
Night
Mostly cloudy, with a low around 48.
Thursday
68° 50°
Mostly Cloudy
Overnight: Mostly Cloudy
Detailed forecast
Thursday
Partly sunny, with a high near 67.
Night
Mostly cloudy, with a low around 49.
Sullivan, IL Weather Analysis Tools
