[source: ADDS]
METAR
CYOW 190900Z 05004KT 15SM FEW060 BKN150 BKN190 05/03 A2974 RMK SC2AC4AC1 SLP075 =
TAF CYOW 190840Z 1909/2006 VRB03KT P6SM BKN160 FM191300 08008KT P6SM BKN030 OVC100 TEMPO 1913/1915 P6SM -RA FM191500 06010KT 6SM -RA BR BKN015 OVC030 FM192100 02008KT P6SM SCT006 OVC015 FM200000 16005KT P6SM BKN030 FM200400 14005KT P6SM BKN200 PROB30 2004/2006 3/4SM BR BKN003 RMK NXT FCST BY 191200Z
TAF
TAF CYOW 190840Z 1909/2006 VRB03KT P6SM BKN160 FM191300 08008KT P6SM BKN030 OVC100 TEMPO 1913/1915 P6SM -RA FM191500 06010KT 6SM -RA BR BKN015 OVC030 FM192100 02008KT P6SM SCT006 OVC015 FM200000 16005KT P6SM BKN030 FM200400 14005KT P6SM BKN200 PROB30 2004/2006 3/4SM BR BKN003 RMK NXT FCST BY 191200Z =

TodayTomorrowDay after tomorrowYesterday

TODAY @ 14:00 EDT

New forecast available at these times (EDT) 04:05 10:00
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