KIAD Briefing

Washington/Dulles Intl, US

Flight category

IFR7500ft · 2sm

Instrument Flight Rules — ceiling 500–1000 ft OR visibility 1–3 sm

Likely runway

est. from wind

Current conditions

Wind

360° / 18 kt G23

From the N, gusts to 23 kt

Visibility

2 sm

Clouds

SCT 2,300 ft, BKN 7,500 ft, OVC 10,000 ft

Scattered (3–4 oktas) @ 2,300 ft AGL · Broken (5–7 oktas) @ 7,500 ft AGL · Overcast (8 oktas) @ 10,000 ft AGL

Ceiling

7,500 ft AGL

Lowest BKN/OVC layer

Temp / Dewpoint

21.1°C / 20°C

Spread 1.1°C — fog risk

Altimeter

30.04 inHg

1017.4 hPa

Phenomena

+TSRA BR

heavy thunderstorm rain mist

Raw METAR

Observed 5/21/2026, 1:11:00 AM

SPECI KIAD 210111Z COR 36018G23KT 2SM R01R/2600VP6000FT +TSRA BR SCT023CB BKN075 OVC100 21/20 A3004 RMK AO2 OCNL LTGICCC OHD TS OHD MOV NE P0012 T02110200 $

Full decoder

TAF

TAF KIAD 210013Z 2100/2206 33004KT P6SM -SHRA VCTS OVC090CB TEMPO 2100/2103 6SM -TSRA OVC040CB FM210300 36004KT P6SM VCSH OVC100 FM210800 01007KT P6SM OVC010 FM211500 02011KT 5SM -SHRA OVC010 FM211700 02009KT 5SM -SHRA OVC008

TAF KIAD 210013Z 2100/2206 33004KT P6SM -SHRA VCTS OVC090CB
TEMPO 2100/2103 6SM -TSRA OVC040CB
FM210300 36004KT P6SM VCSH OVC100
FM210800 01007KT P6SM OVC010
FM211500 02011KT 5SM -SHRA OVC010
FM211700 02009KT 5SM -SHRA OVC008

Open TAF decoder

Hazards

Active AIRMET / SIGMET

1 report nearby

SIGMETCONVECTIVE— → —

Altitude: — – 45,000 ft

WSUS31 KKCI 210055
SIGE 
CONVECTIVE SIGMET 4E
VALID UNTIL 0255Z
MD VA DC WV
FROM 40E EMI-40S CSN-30W LYH-20N EKN-40E EMI
AREA SEV EMBD TS MOV FROM 25020KT. TOPS ABV FL450.
HAIL TO 1 IN...WIND GUSTS TO 50KT POSS.

OUTLOOK VALID 210255-210655
AREA 1...FROM 30ENE HTO-70S HTO-40S PSK-40ENE CEW-CEW-BNA-30ENE
HTO
REF WW 235 236.
WST ISSUANCES EXPD. REFER TO MOST RECENT ACUS01 KWNS FROM STORM
PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS.

AREA 2...FROM 50N PIE-ORL-120SE MIA-EYW-80WSW RSW-50N PIE
WST ISSUANCES EXPD. REFER TO MOST RECENT ACUS01 KWNS FROM STORM
PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS.