Sullivan, IL Weather

Updated: Tue Jul 8th 2025 12:15 PM CDT

Sunny

84^°F 29^°C

Feels Like 88^°F / 31^°C

Sullivan, IL weather condition is Sunny and 84°F.

Today's Weather in Sullivan,IL

The current weather in Sullivan IL as of 12:15 PM CDT on Tue Jul 8th 2025, has a sky condition of Sunny with the visibility of 9 mile(s) and the UV index at 8.9. It is 84 degrees fahrenheit but feels like 88 degrees. The barometric pressure is 30.1 - measured by inches of mercury - and is steady since its last observation. The humidity is 53 percent that's falling since the last report, with a dew point of 74 degrees fahrenheit which is steady. Wind direction is from the South-Southwest at 6.5 miles per hour, gusting at 7.6 miles per hour. Sunrise was at 5:35 AM and Sunset is at 8:24 PM. The moon phase is a Waxing Gibbous moon rising at 7:12 PM. Thank you for listening to the weather report from LocalConditions.com!

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Barometer 30.1 inHg. steady
Humidity 53% falling
Heat Index 98°F
Wind from SSW. 6.5 mph
Wind Gust 7.6 miles per hour
Wind Chill 89°F
UV Index 8.9

Dew Point 74°F steady
Visibility 9 mi.
Sunrise 5:35 AM
Sunset 8:24 PM
Moonrise 7:12 PM
Moonset 3:06 AM
Moon Phase Waxing Gibbous Moon

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Radar Alerts Next 48 Hours Traffic

Hourly Forecast - Next 8 hours

5 Day Forecast

Moderate Rain

Moderate Rain with a high of 91°F and a low of 68°F. Probable rainfall forecasted, having a 67% chance with an estimated 0.34in. Winds will be light at 7mph at times. Expect high humidity with levels above 80% to 81%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 91° \| Lo 68°	81%	67% \| est. 0.34in	0%	6.9 mph

Mist

Mist with a high of 81°F and a low of 67°F. Winds will be light at 8mph at times. Expect high humidity with levels above 80% to 85%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 81° \| Lo 67°	85%	0%	0%	7.6 mph

Patchy Rain Nearby

Patchy Rain Nearby with a high of 87°F and a low of 68°F. Probable rainfall forecasted, having an 89% chance with an estimated 0.15in. Winds will be moderate, blowing around 15mph. Expect high humidity with levels above 80% to 84%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 87° \| Lo 68°	84%	89% \| est. 0.15in	0%	14.1 mph

Patchy Rain Nearby

Patchy Rain Nearby with a high of 77°F and a low of 66°F. Probable rainfall forecasted, having an 87% chance with an estimated 0.07in. Winds will be moderate, blowing around 13mph. Expect high humidity with levels above 80% to 89%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 77° \| Lo 66°	89%	87% \| est. 0.07in	0%	12.1 mph

Partly Cloudy

Partly Cloudy with a high of 78°F and a low of 62°F. Winds will be light at 6mph at times. Expect high humidity with levels above 80% to 81%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 78° \| Lo 62°	81%	0%	0%	5.1 mph

Yesterday Tomorrow 5-Day

Weather Radar Map

Live Sullivan, IL weather with granular precipitation, radar, barometric pressure, temperatures and wind speeds for today thru Saturday, as you toggle through each map layer. Use the slider to move forward and back in time to view how current data and forecasts will affect the region; you can press or click on the map to show metrics available for each tab. The related timestamp is located above the Play button which will animate the weather forecast.

Hourly Temperature

The current temperature today is 84^°F. The morning temperature of 65°^F is lowest at 5am with the daytime high of 89°^F at 3pm and a low around 73°^F at 11pm is expected.