National Weather Service Tactical Decision Aid(TDA) for
Chicago O'Hare International Airport

Based on 6 PM TAF last updated @ 7:13PM
This page will auto refresh every 5 minutes.
Page last refreshed @ 7:40PM
Enter 3 Letter ICAO Station Identifier Below:

K
NOAA

LOCAL TIME: CENTRAL STANDARD TIME (CST)

CURRENT 12 HOUR FORECAST
OBS.
6:51PM 7PM 8PM 9PM 10PM 11PM 12AM 1AM 2AM 3AM 4AM 5AM 6AM
CIG PREVAILING 020 015 015 008 008 008 007 007 007 007 007 007 007
TEMPO 003 003 003
VSBY PREVAILING 4SM
BR
3SM
BR
3SM
BR
3SM
BR
3SM
BR
3SM
BR
2SM
BR
2SM
BR
2SM
BR
2SM
BR
2SM
BR
2SM
BR
2SM
BR
TEMPO
PCPN PREVAILING RA RA RA -RA -RA -RA -DZ -DZ -DZ -DZ -DZ -DZ -DZ
TEMPO
WIND PREVAILING 100°
11KT
130°
10KT
130°
10KT
150°
10KT
150°
10KT
150°
10KT
200°
09KT
200°
09KT
200°
09KT
200°
09KT
200°
09KT
200°
09KT
200°
09KT
GUSTGKT
TEMPO

CEILING VISIBILITY PRECIPITATION WIND
     VFR
Cigs. > 3000 Ft.
     VFR
Vsby. > 5SM
     NONE      0-9KT
     MVFR
Cigs. 1000 Ft.-3000 Ft.
     MVFR
Vsby. 3-5SM
     RAIN      10-14KT
     IFR
Cigs. 500 Ft. - < 1000 Ft.
     IFR
Vsby. 1 - < 3SM
     SNOW      15-19KT
     LIFR
Cigs. < 500 Ft.
     LIFR
Vsby. < 1SM
     TSRA      20-24KT
   FZ
  
     > 24KT

Click button below to customize Cig., Vsby. and Wind Parameters for site: K

PREVIOUS 3 HOUR OBSERVATIONS

DAYTIMECIG.VSBY.PCPN.Wind
November 245:51PM0324SM
BR
-RA120°
10KT
G
November 244:51PM0154SM
BR
RA120°
10KT
G
November 243:51PM0123SM
BR
-RA110°
07KT
G

PREVIOUS 24 HOUR OBSERVATIONS

TAF for: KORD Radar Link
000
FTUS43 KLOT 250100 AAA
TAFORD
TAF AMD
KORD 250113Z 2501/2606 13010KT 3SM RA BR SCT008 BKN015 OVC040
     FM250300 15010KT 3SM -RA BR BKN008 OVC012
     FM250600 20009KT 2SM -DZ BR OVC007
      TEMPO 2508/2511 OVC003
     FM251700 27012G20KT 4SM -SHRA BR SCT007 OVC015
     FM260300 24008KT 6SM -SHRA BR OVC015=
WFO Chicago, IL
Link to Doppler Radar for WFO Chicago, IL
Hourly METAR for: KORD
KORD 250051Z 10011KT 4SM RA BR SCT008 BKN020 OVC050 10/09 A2982 RMK AO2 SLP100 P0013 T01000089

Note: If you notice any problems/bugs please send an email to eric.avila@noaa.gov. Please include the current TAF and Observation in which you noticed the problem for recreating purposes. I also welcome comments/suggestions.

Alaska TDA

Puerto Rico TDA