Air temperatures will gradually rise to +27 degrees Celsius during the week, according to the "Global Forecast System".
On Monday and Tuesday there will be some heavy rain from a fair amount of cloud cover, and the air temperature will range from +18 C to + 23 C.
Over the following days the weather will be better with mostly dry and sunny weather, and steadily increasing air temperatures, in some places reaching a summery +27 C.
As winds will be light slow, fog will form in some places at night when air temperatures will range from +9 C to + 14 C, on the coast in places up to +17 C.
According to the current prognosis of the Global Forecast System, after July 20, the weather will again get colder and more rainy.
Ultraviolet radiation will be high, so be careful when staying in the sun in the middle of the day.
For those looking to cool off in a lake or river, water temperatures in the largest rivers and lakes on Sunday morning were around +16 to + 20 C. While that was slightly cooler than previously, water temperatures are expected to rise by around one degree this week.
As ever, please be careful when swimming. The State Fire and Rescue Service (VUGD) has already recorded 68 drownings this year with the latest body pulled from the water at Aizkraukle on July 11.