[source: ADDS]
METAR
CYOW 270300Z 36012G19KT 15SM SCT070 17/06 A2997 RMK AC4 SLP150 DENSITY ALT 700FT =
TAF CYOW 270239Z 2703/2724 36012KT P6SM BKN060 FM271000 33008KT P6SM BKN040 TEMPO 2714/2716 P6SM -SHRA FM271600 33008KT P6SM FEW040 BECMG 2716/2718 33010KT RMK NXT FCST BY 270600Z
TAF
TAF CYOW 270239Z 2703/2724 36012KT P6SM BKN060 FM271000 33008KT P6SM BKN040 TEMPO 2714/2716 P6SM -SHRA FM271600 33008KT P6SM FEW040 BECMG 2716/2718 33010KT RMK NXT FCST BY 270600Z =

TodayTomorrowDay after tomorrowYesterday

TODAY @ 14:00 EDT

New forecast available at these times (EDT) 04:10 10:10
How many hours ahead does the forecast predict? 12 6
 
The matrix above shows the times of day that new forecasts usually become available, and the forecast's corresponding projection timeframe. The six hour forecast should be more reliable than the twelve hour forecast because the data upon which it is built is newer.

Thermal activity

Click for hourly animation. Updated 04:15 10:15

Click for hourly animation. Updated 04:15 10:15

Click for hourly animation. Updated 04:15 10:15

Clouds

Click for hourly animation. Updated 04:15 10:15

Click for hourly animation. Updated 04:15 10:15

Winds

Caution. The units for wind are actually km/hour. Disregard the map scale showing knots.

Click for hourly animation. Updated 04:15 10:15

Click for hourly animation. Updated 04:15 10:15

Temperature

Click for hourly animation. Updated 04:15 10:15

Click for hourly animation. Updated 04:15 10:15

Thunderstorm potential

Click for hourly animation. Updated 04:15 10:15

TodayTomorrowDay after tomorrowYesterday