[source: ADDS]
METAR
CYOW 190800Z 01008KT 15SM SCT170 BKN250 M21/M28 A3039 RMK AS4CS2 SLP305 =
TAF CYOW 190538Z 1906/2006 34010G20KT P6SM FEW050 FM191300 01010KT P6SM OVC120 FM192000 06010KT 21/2SM -SN SCT015 OVC080 BECMG 1922/1924 06012KT FM200500 06012G22KT 1SM -SN VV010 RMK NXT FCST BY 190900Z
TAF
TAF CYOW 190538Z 1906/2006 34010G20KT P6SM FEW050 FM191300 01010KT P6SM OVC120 FM192000 06010KT 21/2SM -SN SCT015 OVC080 BECMG 1922/1924 06012KT FM200500 06012G22KT 1SM -SN VV010 RMK NXT FCST BY 190900Z =

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