Will skies be clear over southern Ontario Thursday night?
Partly clear skies are expected with lots of cloudiness caused by moisture at low, middle and high levels in the atmosphere (forecast chart for mid-level moisture illustrated below for late evening) except that skies could remain mostly cloudy during the evening in regions where strong thunderstorms develop during the afternoon.
Thursday, 31 May 2018
Tuesday, 29 May 2018
Will skies be clear over southern Ontario Tuesday night?
Lots of high cloud will cause skies to be partly or mostly cloudy, but skies may appear to be mostly clear during early evening over eastern regions of southern Ontario before the high cloud becomes distinctly visible. The illustration below shows the jetstream-level moisture spreading northeastward over southern Ontario during late evening.
Lots of high cloud will cause skies to be partly or mostly cloudy, but skies may appear to be mostly clear during early evening over eastern regions of southern Ontario before the high cloud becomes distinctly visible. The illustration below shows the jetstream-level moisture spreading northeastward over southern Ontario during late evening.
Monday, 28 May 2018
Will skies be clear over southern Ontario Monday night?
Partly or mostly clear skies are likely, except for lots of mid-level cloud that may appear occasionally over most regions, due to lots of low, mid-level and high-level moisture forecast to move southeastward across southern Ontario overnight (illustrated below for mid-level moisture early Tuesday).
Partly or mostly clear skies are likely, except for lots of mid-level cloud that may appear occasionally over most regions, due to lots of low, mid-level and high-level moisture forecast to move southeastward across southern Ontario overnight (illustrated below for mid-level moisture early Tuesday).
Sunday, 27 May 2018
Will skies be clear over southern Ontario Sunday night?
Partly or mostly clear skies are expected, except for a region of cloudiness along a weak weather front which is forecast to move southeastward over southern Ontario during the evening (illustrated below for late evening). Following the passage of the front and clouds, partly or mostly clearing skies are likely except that fog is likely to form over regions where rain fell and left moisture on the ground and in low levels of the atmosphere.
Partly or mostly clear skies are expected, except for a region of cloudiness along a weak weather front which is forecast to move southeastward over southern Ontario during the evening (illustrated below for late evening). Following the passage of the front and clouds, partly or mostly clearing skies are likely except that fog is likely to form over regions where rain fell and left moisture on the ground and in low levels of the atmosphere.
Saturday, 26 May 2018
Friday, 25 May 2018
Partly or mostly clear
skies are expected during the evening, except for some mid and high level
clouds over most regions caused by regions of high moisture moving over most of
southern Ontario (illustrated below for late evening) and then increasing cloudiness
is expected after midnight over all regions.
Thursday, 24 May 2018
Wednesday, 23 May 2018
Will skies be clear over southern Ontario Wednesday night?
Clear skies are expected, except for some jetsream-level cirrus that might be visible, especially during the evening, and except for patches of smoke drifting southeastward across southern Ontario from wildfires in Manitoba (illustrated below).
Clear skies are expected, except for some jetsream-level cirrus that might be visible, especially during the evening, and except for patches of smoke drifting southeastward across southern Ontario from wildfires in Manitoba (illustrated below).
Tuesday, 22 May 2018
Will skies be clear over southern Ontario Tuesday night?
Clear skies are expected over most regions, except for
regions near, west, north, south and east of western Lake Ontario, where skies are likely to remain
cloudy during the evening until mid-level moisture (illustrated below for late evening) moves southward from
southern Ontario overnight.
Sunday, 20 May 2018
Will skies be clear over southern Ontario Sunday night?
Mostly clear skies are expected over most regions, except for some scattered clouds that may appear over most regions, and except for lots of low clouds over regions near western Lake Ontario, due to lots of low-level moisture (illustrated below for late evening) and except for more mid-level cloudiness over far southwestern Ontario, due to mid-level moisture which is forecast to be over that region (illustrated below for late evening).
Mostly clear skies are expected over most regions, except for some scattered clouds that may appear over most regions, and except for lots of low clouds over regions near western Lake Ontario, due to lots of low-level moisture (illustrated below for late evening) and except for more mid-level cloudiness over far southwestern Ontario, due to mid-level moisture which is forecast to be over that region (illustrated below for late evening).
Friday, 18 May 2018
Will skies be clear over southern Ontario Friday night?
Mostly cloudy skies are expected, due to increasing high cloud during the evening and then thicker cloud by midnight, except for locations near, north and east of the GTA where skies are likely to be partly clear during early evening before more substantial cloud moves northeastward over all of southern Ontario. The illustrations below show the forecast moisture at mid and high levels for late evening.
Mostly cloudy skies are expected, due to increasing high cloud during the evening and then thicker cloud by midnight, except for locations near, north and east of the GTA where skies are likely to be partly clear during early evening before more substantial cloud moves northeastward over all of southern Ontario. The illustrations below show the forecast moisture at mid and high levels for late evening.
Thursday, 17 May 2018
Will skies be clear over
southern Ontario Thursday night?
Skies are likely to be partly cloudy, due to high thin
cloud, caused by jetstream-level moisture which is forecast to gradually spread
northward across southern Ontario (illustrated below for late evening), but
there will likely occasionally be some mostly clear periods with breaks in the
cloud that allow the brighter stars to be easily visible and give the
impression of clear sky.
Wednesday, 16 May 2018
Will skies be clear over southern Ontario Wednesday night?
Mostly clear skies are expected, except for high cirrus cloud that is likely to be visible over most regions, especially during the evening, caused by a large region of jetstream-level moisture which is forecast to be over most of southern Ontario (illustrated below for late evening).
Mostly clear skies are expected, except for high cirrus cloud that is likely to be visible over most regions, especially during the evening, caused by a large region of jetstream-level moisture which is forecast to be over most of southern Ontario (illustrated below for late evening).
Tuesday, 15 May 2018
Will skies be clear over southern Ontario Tuesday night?
Mostly clear skies are likely, except for some high cloud
that may be visible, due to some jetstream-level moisture (illustrated below
for late evening) and except for some low clouds that may develop over some
regions southwest of Lake Ontario, due to some low-level moisture (illustrated
below for late evening).
Sunday, 13 May 2018
Saturday, 12 May 2018
Will skies be clear over southern Ontario Saturday night?
Partly cloudy skies are expected over most regions due to high clouds caused by lots of high-level moisture (illustrated below), except for mostly cloudy skies over southwestern regions, and except for mostly clear skies over some regions occasionally developing due to breaks in the high level- moisture that allow many stars to be seen.
Partly cloudy skies are expected over most regions due to high clouds caused by lots of high-level moisture (illustrated below), except for mostly cloudy skies over southwestern regions, and except for mostly clear skies over some regions occasionally developing due to breaks in the high level- moisture that allow many stars to be seen.
Thursday, 10 May 2018
Will skies be clear over southern Ontario Thursday night?
Partly or mostly clear skies are likely except for lots of high cloud, due to some jetstream-level moisture over southern Ontario overnight (illustrated below for late evening) and except for some low cloudiness over southwestern regions during early evening due to low-level moisture which is forecast to move southward from southern Ontario during the evening (illustrated below for late evening).
Partly or mostly clear skies are likely except for lots of high cloud, due to some jetstream-level moisture over southern Ontario overnight (illustrated below for late evening) and except for some low cloudiness over southwestern regions during early evening due to low-level moisture which is forecast to move southward from southern Ontario during the evening (illustrated below for late evening).
Tuesday, 8 May 2018
Friday, 4 May 2018
Will skies be clear Friday night over southern Ontario?
Mostly clear skies are expected during the evening, and then increasing patches of low cloud are likely to appear, caused by regions of low-level moisture which are forecast to be over southern Ontario overnight (illustrated below for early Saturday).
Mostly clear skies are expected during the evening, and then increasing patches of low cloud are likely to appear, caused by regions of low-level moisture which are forecast to be over southern Ontario overnight (illustrated below for early Saturday).
Wednesday, 2 May 2018
Tuesday, 1 May 2018
Will skies be clear over southern Ontario Tuesday night?
Mostly clear skies are expected during the evening, and then increasing
clouds are expected beginning over southwestern regions by late evening, due to
increasing moisture at jetstream-level, and other levels, which is forecast to
move over most regions overnight.
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