Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins
! This page is undergoing modernization with expected decommissioning as key features are added to the modernized pages.
Learn more about our modernization plans to find out which options will suit you best. Next Generation Monitoring Location Page is available now.
A beta version of the My Favorites page is available in WDFN. Try it out and tell us what you think at wdfn@usgs.gov

USGS 414129087575201 WEATHER STATION AT CSSC NR LEMONT, IL

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text
This site is operated in cooperation with the

Cooperator logo U.S. Army Corps of Engineers
Chicago District - Chicago, Illinois



This station managed by the Urbana Field Office.

Available Parameters Available Period
  
2019-07-02  2026-01-16
2023-11-09  2026-01-23
2024-02-09  2026-01-16
2019-07-02  2026-01-16
2023-11-09  2026-01-23
2023-11-09  2026-01-23
2024-02-09  2026-01-16
2023-11-09  2026-01-23
2023-11-09  2026-01-23
2023-11-09  2026-01-23







 (7)
 
  -- or --

 

 
Summary of all available data for this site
Instantaneous-data availability statement

Temperature, air, degrees Celsius
Most recent instantaneous value: 3.3 01-16-2026   11:30 CST
Graph of Temperature, air, degrees Celsius

Add up to 2 more sites and replot for "Temperature, air, degrees Celsius"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Temperature, air, degrees Celsius, LI-COR
Most recent instantaneous value: -15.9 01-23-2026   02:30 CST
Graph of Temperature, air, degrees Celsius

Add up to 2 more sites and replot for "Temperature, air, degrees Celsius, LI-COR"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Wind direction, degrees clockwise from true north
Most recent instantaneous value: 202 01-16-2026   11:30 CST
Graph of Wind direction, degrees clockwise from true north

Add up to 2 more sites and replot for "Wind direction, degrees clockwise from true north"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Precipitation, total, inches
Most recent instantaneous value: 0.00 01-16-2026   11:30 CST
Graph of Precipitation, total, inches

Add up to 2 more sites and replot for "Precipitation, total, inches"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Relative humidity, percent, LI-COR
Most recent instantaneous value: 30.3 01-23-2026   02:30 CST
Graph of Relative humidity, percent

Add up to 2 more sites and replot for "Relative humidity, percent, LI-COR"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Barometric pressure, uncorrected, kilopascals, LI-COR
Most recent instantaneous value: 101 01-23-2026   02:30 CST
Graph of Barometric pressure, uncorrected, kilopascals

Add up to 2 more sites and replot for "Barometric pressure, uncorrected, kilopascals, LI-COR"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Wind speed, meters per second
Most recent instantaneous value: 7.36 01-16-2026   11:30 CST
Graph of Wind speed, meters per second

Add up to 2 more sites and replot for "Wind speed, meters per second"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Latent-heat flux, watts per square meter, LI-COR
Most recent instantaneous value: 0.7 01-23-2026   02:30 CST
Graph of Latent-heat flux, watts per square meter

Add up to 2 more sites and replot for "Latent-heat flux, watts per square meter, LI-COR"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Sensible-heat flux, watts per square meter, LI-COR
Most recent instantaneous value: 35.4 01-23-2026   02:30 CST
Graph of Sensible-heat flux, watts per square meter

Add up to 2 more sites and replot for "Sensible-heat flux, watts per square meter, LI-COR"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |


Evapotranspiration total, millimeters, LI-COR
Most recent instantaneous value: 0.00 01-23-2026   02:30 CST
Graph of Evapotranspiration total, millimeters

Add up to 2 more sites and replot for "Evapotranspiration total, millimeters, LI-COR"

?
 
Note



Create presentation-quality / stand-alone graph.   Subscribe to
?
WaterAlert      

See this graph on the Monitoring Location Pages

Share this graph |