Lerna, IL Weather

Updated: Sun Jul 20th 2025 11:00 AM CDT

Overcast

80^°F 27^°C

Feels Like 87^°F / 30^°C

Lerna, IL weather condition is Overcast and 80°F.

Today's Weather in Lerna,IL

The current weather in Lerna IL as of 11:00 AM CDT on Sun Jul 20th 2025, has a sky condition of Overcast with the visibility of 9 mile(s) and the UV index at 8. It is 80 degrees fahrenheit but feels like 87 degrees. The barometric pressure is 29.99 - measured by inches of mercury - and is rising since its last observation. The humidity is 82 percent that's falling since the last report, with a dew point of 79 degrees fahrenheit which is rising. Wind direction is from the North at 9.4 miles per hour, gusting at 11.4 miles per hour. Sunrise was at 5:43 AM and Sunset is at 8:16 PM. The moon phase is a Waning Crescent moon rising at 1:10 AM. Thank you for listening to the weather report from LocalConditions.com!

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Barometer 29.99 inHg. rising
Humidity 82% falling
Heat Index 94°F
Wind from N. 9.4 mph
Wind Gust 11.4 miles per hour
Wind Chill 83°F
UV Index 8

Dew Point 79°F rising
Visibility 9 mi.
Sunrise 5:43 AM
Sunset 8:16 PM
Moonrise 1:10 AM
Moonset 4:49 PM
Moon Phase Waning Crescent Moon

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Radar Alerts Next 48 Hours Traffic

Hourly Forecast - Next 8 hours

5 Day Forecast

Fog

Fog with a high of 85°F and a low of 66°F. Winds will be light at 9mph at times. Expect high humidity with levels above 80% to 89%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 85° \| Lo 66°	89%	0%	0%	8.9 mph

Sunny

Sunny with a high of 88°F and a low of 69°F. Winds will be light at 8mph at times. Expect high humidity with levels above 80% to 84%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 88° \| Lo 69°	84%	0%	0%	7.8 mph

Patchy Rain Nearby

Patchy Rain Nearby with a high of 88°F and a low of 72°F. Probable rainfall forecasted, having an 82% chance with an estimated 0.19in. Winds will be light at 9mph at times. Expect high humidity with levels above 80% to 87%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 88° \| Lo 72°	87%	82% \| est. 0.19in	0%	8.9 mph

Moderate Rain

Moderate Rain with a high of 87°F and a low of 74°F. Probable rainfall forecasted, having an 89% chance with an estimated 0.67in. Winds will be moderate, blowing around 12mph. Expect high humidity with levels above 80% to 88%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 87° \| Lo 74°	88%	89% \| est. 0.67in	0%	11.4 mph

Patchy Rain Nearby

Patchy Rain Nearby with a high of 88°F and a low of 74°F. Probable rainfall forecasted, having an 89% chance with an estimated 0.1in. Winds will be moderate, blowing around 11mph. Expect high humidity with levels above 80% to 87%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 88° \| Lo 74°	87%	89% \| est. 0.1in	0%	11 mph

Yesterday Tomorrow 5-Day

Weather Radar Map

Live Lerna, IL weather with granular precipitation, radar, barometric pressure, temperatures and wind speeds for today thru Thursday, 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 80^°F. The morning temperature of 76°^F is lowest at 4am with the daytime high of 88°^F at 2pm and a low around 73°^F at 10pm is expected.