Aviation Digital Data Service (ADDS)

Output produced by TAFs form (0745 UTC 29 May 2017)
found at http://www.aviationweather.gov/adds/tafs/
 
METAR text: OERK 290700Z 04008KT 5000 DU NSC 37/M03 Q1013 NOSIG
Conditions at: OERK (RIYADH/KING KHAL, SA) observed 0700 UTC 29 May 2017
Temperature: 37.0°C (99°F)
Dewpoint: -3.0°C (27°F) [RH = 8%]
Pressure (altimeter): 29.91 inches Hg (1013.0 mb)
Winds: from the NE (40 degrees) at 9 MPH (8 knots; 4.2 m/s)
Visibility: 3 miles (5 km)
Ceiling: at least 12,000 feet AGL
Clouds: sky clear below 12,000 feet AGL
Weather: DU  (widespread dust)

Forecast for: OERK (RIYADH/KING KHAL, SA)
Text: TAF OERK 290500Z 2906/3012 06005G15KT 7000 FEW040
Forecast period: 0600 UTC 29 May 2017 to 1200 UTC 30 May 2017
Forecast type: FROM: standard forecast or significant change
Winds: from the ENE (60 degrees) at 6 MPH (5 knots; 2.6 m/s)
gusting to 17 MPH (15 knots; 7.8 m/s)
Visibility: 4 miles (7 km)
Clouds: few clouds at 4000 feet AGL
Weather: no significant weather forecast for this period
Text: TEMPO 2906/2912 3000 DU BLDU
Forecast period: 0600 to 1200 UTC 29 May 2017
Forecast type: TEMPORARY: The following changes expected for less than half the time period
Visibility: 1.86 miles (2.99 km)
Weather: DU BLDU  (widespread dust, blowing dust could not decipher "BL")