National Radar Loop
Local Radar Loop
Potential for at least 2 inches of snow
Potential for at least 4 inches of snow
Potential for at least 6 inches of snow
Potential for at least 0.10 inches of ice
Potential for at least 0.25 inches of ice
Potential for at least 0.50 inches of ice
Expected Snow Forecast
Expected Ice Forecast
Graphicast
Weather Story Graphic Tab 3
Weather Story Graphic Tab 4
Weather Story Graphic Tab 5
Regional Radar Loop
Local Radar Loop
Graphical Nowcast
Local Watches, Advisories, and Warnings
National Watches and Warnings
Weather Story
Winter Storm Severity Index (Local Area)
Winter Storm Severity Index (USA)
Winter Storm Severity Index General Information
Prototype IDSS Point Forecasts Page
6-10 Day Temperature Outlook
6-10 Day Precipitation Outlook
3-7 Day Hazards Outlook
8-14 Day Temperature Outlook
8-14 Day Precipitation Outlook
8-14 Day Hazards Outlook
Day 1 Non-thunderstorm Wind Risk
NWS Chicago, IL Experimental Winter Weather Liaison Webpage
This page will auto-update every 15 minutes.
If you notice old data, try reloading the page while ignoring caching by hitting Shift + F5 on a PC, or Shift + Command + R on a Mac.
Back to NWS Chicago, IL Main Page
Webcams
Note: Webcams are provided through third parties and may not always be up to date. Please check the time stamp on each image (where available) to ensure the image is current. Not all webcams have time stamp labels.
Northwest and North Central Illinois
Rockford:
I-90 @ Riverside Drive. Image courtesy of Illinois Tollway.
I-39/90 @ State Line Road. Image courtesy of Wisconsin DOT.
I-39 & North-Central Illinois
I-57 north of Rantoul. Image courtesy of IDOT.
I-80 eastbound near the La Salle/Grundy County Line. Image courtesy of IDOT.
I-39 near Tonica, IL. Image courtesy of IDOT.
I-57 near Gilman, IL. Image courtesy of IDOT.
Northeast Illinois
I-94 near Waukegan. Image courtesy of Lake County Passage.
I-94 at Lake/Cook County border looking North. Image courtesy of Lake County Passage.
I-355 near Lockport. Image courtesy of Illinois Tollway.
Chicago:
O'Hare Airport. Image courtesy of Illinois Tollway.
Harrison-Dever Crib (~2.75 miles offshore). Image courtesy of GLERL.
Dan Ryan at 63rd Street. Image courtesy of Illinois Tollway.
Northwest Indiana
I-65 at US-20 near Gary. Image courtesy of INDOT.
I-94 south of Town of Pines. Image courtesy of INDOT.
I-65 near the Lake/Newton County line. Image courtesy of INDOT.
Michigan City GLERL Webcam. Image courtesy of GLERL.
0-36 Hours
National, Regional, and Local Radar Loops
Hourly Precipitation Graphs
Click on a location for hourly precipitation plot. Click the plot to clear the display.
These images will update around: 3:30 AM, 11:00 AM, 3:30 PM, 6:00 PM, and 9:30 PM.
Detailed Hourly Forecasts
Graphical Messaging Information
Enhanced Hazardous Weather Outlook
Click an individual hazard block below for more information
Threat
Level
Key
None
Limited
Elevated
Significant
Extreme
Graphical NOWCast
Additional graphics (if active) will display below:
Snow and Ice Forecasts
Snow Accumulation
Please be sure to check the "Valid" time range at the top of each image, as well as the last update time at the bottom.
Expected Snowfall Forecast
This image will update around 3:35 AM/PM, and additionally as needed.
Snow Exceedance Probabilities
These images will update around 3:45 AM/PM
Ice Accumulation
Please be sure to check the "Valid" time range at the top of each image, as well as the last update time at the bottom.
Expected Ice Accumulation Forecast
This image will update around 3:35 AM/PM, and additionally as needed.
Ice Exceedance Probabilities
These images will update around 3:45 AM/PM
Detailed Forecasts (Legacy Point and Click Page)
Current Conditions and
Seven Day Forecast
-- OR --
Hourly Weather Graph
(click on your location on the map)
NWS Chicago Watch/Warning/Advisory Criteria
Show/Hide Map Key
Severe Weather & Flooding
Winter Weather
Visibility Restrictions
Tornado Warning
Blizzard Warning
Dense Fog Advisory
Severe Thunderstorm Warning
Winter Storm Warning
Dense Smoke Advisory
Flash Flood Warning
Ice Storm Warning
Dust Storm Warning
Severe Weather Statement
Wind Chill Warning
Blowing Dust Advisory
Flash Flood Statement
Winter Storm Watch
Tornado Watch
Wind Chill Watch
Fire Weather
Severe Thunderstorm Watch
Winter Weather Advisory
Red Flag Warning
Flood Watch
Wind Chill Advisory
Fire Weather Watch
Flood Warning
Freezing Fog Advisory
Flood Statement
Freeze Warning
Miscellaneous
Hydrologic Outlook
Freeze Watch
Hazardous Weather Outlook
Frost Advisory
Special Weather Statement
Wind
Air Quality Alert
High Wind Warning
Heat
Civil Danger Warning
High Wind Watch
Excessive Heat Warning
Civil Emergency Message
Wind Advisory
Excessive Heat Watch
911 Telephone Outage
Heat Advisory
Child Abduction Emergency
Link to NWSChat
Days 1.5 - 4
Weather Prediction Center Outlook Products
Graphics will update at approximately: 4 AM | 8 AM | 2 PM | 4 PM | 8 PM CST
WSSI Outlook (USA)
WSSI Outlook (Local Area)
Detailed Hourly Forecasts
Interactive Detailed Forecast Webpage
Detailed Forecasts (Legacy Point and Click Page)
Current Conditions and
Seven Day Forecast
-- OR --
Hourly Weather Graph
(click on your location on the map)
NWS Chicago Watch/Warning/Advisory Criteria
Show/Hide Map Key
Severe Weather & Flooding
Winter Weather
Visibility Restrictions
Tornado Warning
Blizzard Warning
Dense Fog Advisory
Severe Thunderstorm Warning
Winter Storm Warning
Dense Smoke Advisory
Flash Flood Warning
Ice Storm Warning
Dust Storm Warning
Severe Weather Statement
Wind Chill Warning
Blowing Dust Advisory
Flash Flood Statement
Winter Storm Watch
Tornado Watch
Wind Chill Watch
Fire Weather
Severe Thunderstorm Watch
Winter Weather Advisory
Red Flag Warning
Flood Watch
Wind Chill Advisory
Fire Weather Watch
Flood Warning
Freezing Fog Advisory
Flood Statement
Freeze Warning
Miscellaneous
Hydrologic Outlook
Freeze Watch
Hazardous Weather Outlook
Frost Advisory
Special Weather Statement
Wind
Air Quality Alert
High Wind Warning
Heat
Civil Danger Warning
High Wind Watch
Excessive Heat Warning
Civil Emergency Message
Wind Advisory
Excessive Heat Watch
911 Telephone Outage
Heat Advisory
Child Abduction Emergency
Link to NWSChat
Days 4 - 7+
CPC and WPC Outlooks
3-10 Day Outlooks
6-10 Day Temperature Outlook
6-10 Day Precipitation Outlook
Day 3-7 Hazards Outlook
Extended Outlooks
8-14 Day Temperature Outlook
8-14 Day Precipitation Outlook
Day 8-14 Hazards Outlook
Detailed Forecasts (Legacy Point and Click Page)
Current Conditions and
Seven Day Forecast
-- OR --
Hourly Weather Graph
(click on your location on the map)
NWS Chicago Watch/Warning/Advisory Criteria
Show/Hide Map Key
Severe Weather & Flooding
Winter Weather
Visibility Restrictions
Tornado Warning
Blizzard Warning
Dense Fog Advisory
Severe Thunderstorm Warning
Winter Storm Warning
Dense Smoke Advisory
Flash Flood Warning
Ice Storm Warning
Dust Storm Warning
Severe Weather Statement
Wind Chill Warning
Blowing Dust Advisory
Flash Flood Statement
Winter Storm Watch
Tornado Watch
Wind Chill Watch
Fire Weather
Severe Thunderstorm Watch
Winter Weather Advisory
Red Flag Warning
Flood Watch
Wind Chill Advisory
Fire Weather Watch
Flood Warning
Freezing Fog Advisory
Flood Statement
Freeze Warning
Miscellaneous
Hydrologic Outlook
Freeze Watch
Hazardous Weather Outlook
Frost Advisory
Special Weather Statement
Wind
Air Quality Alert
High Wind Warning
Heat
Civil Danger Warning
High Wind Watch
Excessive Heat Warning
Civil Emergency Message
Wind Advisory
Excessive Heat Watch
911 Telephone Outage
Heat Advisory
Child Abduction Emergency
Link to NWSChat
Winter Weather Watcher Training
Winter Weather Watching Tools