Heavy downpour accompanied by severe thunderstorms and squalls this evening disrupted normal life in Shimla and its surrounding areas while tribal areas witnessed another spell of mild snowfall.
The Manali Valley was the coldest in the region with a low of 6.2 degrees Celsius, the MeT office said.
Meanwhile, the town received 25 mm rains in an hour while thunder squall reduced visibility to just a few meters causing traffic jams.
The adjoining tourist resorts of Mashobra and Kufri were also lashed by thunderstorm followed by sharp showers while Solan received 18 mm of rains, the MeT said.
Sunnibhajji and Khadrala recorded 26 mm and 24.4 mm of rains respectively. Renuka received 24 mm of rainfall, Bijahi 22.4 mm, Mandi 19.2 mm, Kumarsein 14.6 mm, Seobagh 13.4 mm and Bajaura 10.6 mm.
Temperatures dropped in the higher reaches of the state with Kalpa recording 6.8 degrees Celsius, Keylong 8.8 degrees Celsius and Bhuntar 12.5 degrees Celsius.
Shimla recorded 14 degrees Celsius, Sundernagar 14.6 degrees Celsius, Solan 14.7 degrees Celsius, Palampur 16.0 degrees Celsius, Dharamshala 18.6 degrees Celsius, Nahan 20.3 degrees Celsius and Una 21.5 degree Celsius
Day temperatures also dropped by three to five degrees in mid and higher hills while there was no significant change in temperatures in lower hills.
Dharamshala and Solan recorded a high of 28.4 degree and 27.0 degree respectively, followed by Manali at 23.6 degrees Celsius, Shimla 21.3 degrees Celsius and Kalpa 19.4 degrees Celsius.
However, Una in the Shivalik foot hills was the hottest with maximum temperature at 38.2 degrees Celsius, followed by Sundernagar 33.4 degrees Celsius, Bhuntar 32.0 degrees Celsius and Nahan 31.8 degrees Celsius.
The MeT office has warned of thunder squall accompanied by hailstorm at isolated places in mid and lower hills on May 21.
It has also forecast thunderstorm and rains in the lower and mid hills at isolated places in the next four days, and rains or snow at isolated places in the higher hills over six days, beginning tomorrow.