SAN DIEGO (FOX 5/KUSI) -- After a cooler than normal start to summer, temperatures are finally heating up as we get the month of August started.

High pressure to our east will be strengthening and expending west from New Mexico to Southern California and, as a result, will bump afternoon temperatures five to 10 degrees above average.

Heat advisories go into effect Wednesday for the valleys and mountains, which will feel max temperatures 90 to 100 degrees with an extreme heat warning bringing temperatures up to 118 degrees to the desert communities.

Thursday seems like it will be the hottest day of the week with beaches feeling close to 80 degrees, mid-90s for the valleys and mountains, and around 115 degrees for Borrego Springs. We are keeping an eye on Indio, Palm Springs, Thermal and

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