[source: ADDS]
METAR
CYOW 181800Z 28013KT 15SM SKC M15/M22 A2999 RMK SLP166 =
TAF CYOW 181740Z 1818/1918 29012KT P6SM FEW020 FM182100 27010KT P6SM FEW020 BECMG 1822/1824 VRB03KT FM190500 08008KT P6SM OVC080 FM190700 08008KT 5SM -SN OVC020 FM190900 08012KT 2SM -SN OVC008 FM191000 08012KT 1SM -SN OVC015 PROB40 1910/1918 3/4SM -SN RMK NXT FCST BY 182100Z
TAF
TAF CYOW 181740Z 1818/1918 29012KT P6SM FEW020 FM182100 27010KT P6SM FEW020 BECMG 1822/1824 VRB03KT FM190500 08008KT P6SM OVC080 FM190700 08008KT 5SM -SN OVC020 FM190900 08012KT 2SM -SN OVC008 FM191000 08012KT 1SM -SN OVC015 PROB40 1910/1918 3/4SM -SN RMK NXT FCST BY 182100Z =

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