[source: ADDS]
METAR
CYOW 211700Z 17010KT 15SM FEW040 FEW180 SCT220 BKN250 23/14 A3017 RMK SC1AC1CI2CI2 SC TR SLP219 DENSITY ALT 1200FT =
TAF CYOW 211438Z 2115/2212 18010G20KT P6SM SCT060 BKN240 FM212300 18010KT P6SM BKN060 OVC120 FM220900 19010KT P6SM OVC060 TEMPO 2209/2212 P6SM -SHRA RMK NXT FCST BY 211800Z
TAF
TAF CYOW 211438Z 2115/2212 18010G20KT P6SM SCT060 BKN240 FM212300 18010KT P6SM BKN060 OVC120 FM220900 19010KT P6SM OVC060 TEMPO 2209/2212 P6SM -SHRA RMK NXT FCST BY 211800Z =

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