[source: ADDS]
METAR
CYOW 280700Z 29012KT 15SM FEW018 BKN040 M08/M12 A3018 RMK SC2SC5 SLP230 =
TAF CYOW 280538Z 2806/2906 32011KT P6SM FEW020 OVC040 TEMPO 2806/2814 P6SM -SN BKN020 OVC040 FM281400 31013KT P6SM BKN040 BECMG 2820/2822 30013G23KT BECMG 2900/2902 32012KT RMK NXT FCST BY 280900Z
TAF
TAF CYOW 280538Z 2806/2906 32011KT P6SM FEW020 OVC040 TEMPO 2806/2814 P6SM -SN BKN020 OVC040 FM281400 31013KT P6SM BKN040 BECMG 2820/2822 30013G23KT BECMG 2900/2902 32012KT RMK NXT FCST BY 280900Z =

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