A thunderstorm over Hillman Marsh.
A Severe Thunderstorm WARNING is in effect for areas of southwest Pueblo County and northeast Huerfano County until 3:45 pm.
"Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts and large hail", Canada's weather forecaster said.
"Some severe storms could last into the early evening hours for some areas".
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A Flash Flood Watch is in effect through Tuesday night for areas near Colorado Springs and to the south.
Meteorologists said there could be significant rainfall amounts in some areas with wind custs up to 90 km/h.
Environment Canada has issued a severe thunderstorm watch for much of southern Ontario, including the GTA. Very strong wind gusts can damage buildings, down trees and blow large vehicles off the road.
The Office of the Fire Marshal and Emergency Management recommends that you take cover immediately if threatening weather approaches.