National Weather Service United States Department of Commerce

Wintry Weather in the Northern Tier; Fire Weather Threats in Southern California

Two Canadian systems will produce heavy snow downwind of Great Lakes Erie and Ontario, and a wintry mix in the Mississippi and Ohio Valleys. Snow, heavy in places, will spread across the Rockies and 4-Corners area through early this week. A developing system in southern California may produce high winds and critical fire weather threats, and, areas of heavy rain early this week. Read More >

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Area Forecast Discussion  Issued: 01/17/2021 03:32:48 PM CST
Hazardous Weather Outlook  Issued: 01/17/2021 02:46:44 PM CST
Zone Forecast  Issued: 01/17/2021 03:21:51 PM CST
Illinois Hourly Weather Summary  Issued: 01/17/2021 03:08:54 PM CST
Indiana Hourly Weather Summary  Issued: 01/17/2021 03:09:54 PM CST
Short Term Forecast 
Lake Michigan Forecast  Issued: 01/17/2021 02:51:10 PM CST
Nearshore Marine Forecast  Issued: 01/17/2021 02:44:11 PM CST
Lake Michigan Water Temperatures  Issued: 01/17/2021 09:11:41 AM CST
Beach Forecast 
Chicago Metro Forecast

 

Severe Weather/Flooding

Tornado Warning 
Severe Thunderstorm Warning 
Flood Warning 
Flash Flood Warning 
Flash Flood Statement 
Severe Weather Statement 
Special Weather Statement  Issued: 01/17/2021 09:01:07 AM CST
Special Marine Warning 
Marine Weather Statement 
Local Storm Report  Issued: 01/17/2021 12:33:15 PM CST

 

Other Watch/Warning/Advisory

Non-Precipitation Headlines  Issued: 01/16/2021 02:42:43 AM CST
Winter Weather Headlines 

 

Daily Climatology

OHare Daily Climate Summary  Issued: 01/17/2021 01:02:07 AM CST
Rockford Daily Climate Summary  Issued: 01/17/2021 01:02:08 AM CST
Aurora Daily Climate Summary  Issued: 01/17/2021 01:02:59 AM CST
DuPage Airport Climate Summary  Issued: 01/17/2021 01:02:59 AM CST
Chicago Executive Airport Climate Summary  Issued: 01/17/2021 01:02:59 AM CST
Valparaiso Climate Summary  Issued: 01/17/2021 01:02:07 AM CST
OHare Monthly Climate Report  Issued: 01/01/2021 01:15:23 PM CST
Rockford Monthly Climate Report  Issued: 01/01/2021 01:15:24 PM CST
OHare Seasonal Climate Report  Issued: 12/02/2020 11:28:54 AM CST
Rockford Seasonal Climate Report  Issued: 12/02/2020 11:28:56 AM CST
OHare Annual Climate Report  Issued: 01/02/2021 11:50:27 AM CST
Regional Max/Min Temp and Precipitation Table  Issued: 01/17/2021 10:32:48 AM CST
Local Cooperative Observation  Issued: 01/17/2021 10:39:32 AM CST
Illinois State Temp/Precip Table  Issued: 01/17/2021 08:11:56 AM CST
Indiana State Temp/Precip Table  Issued: 01/17/2021 07:30:24 AM CST
Public Information Statement  Issued: 01/16/2021 01:05:46 PM CST
Record Report for OHare  Issued: 11/10/2020 07:46:27 PM CST
Record Report for Rockford  Issued: 12/24/2020 12:43:44 AM CST

 

River Conditions

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Daily River Stages  Issued: 01/17/2021 07:30:24 AM CST
Daily Illinois River Forecasts  Issued: 01/17/2021 09:27:30 AM CST
Hydrologic Statement  Issued: 01/11/2021 12:11:02 PM CST

 

Fire Weather

Fire Weather Forecasts  Issued: 01/17/2021 06:32:16 AM CST
Fire Weather Point Forecasts 
Spot Fire Weather Forecast  Issued: 01/12/2021 08:07:23 AM CST