First Alert Forecast

The heat continues to build in, along with a good dose of old-fashioned humidity. Expect another day in the one-teens. The potential for more afternoon and early evening thunderstorms remains in the forecast through today, and may linger into tomorrow, but we do see some drying by the end of the week. The Excessive Heat

The Excessive Heat Warning will be with us a little longer now as highs are expected to remain in the one-teens through Thursday. The ridge of high pressure that has caused the heatwave remains in place, but will gradually shift eastward by the weekend as a trough moves in up North. Today, like yesterday, we

Highs will continue popping up into the one-teens through most of the week, with an Excessive Heat Warning now in place through Wednesday night. In addition to the elevated heat, humidity returns to the forecast particularly early in the week, with dew points rising and the small threat of afternoon thunderstorms. Those storms would be

Highs will climb to the middle one-teens, along with a bit of monsoonal humidity, so the National Weather Service has issued an Excessive Heat Warning from Friday morning through Sunday evening. A Heat Advisory will also be in place for the Inland Empire for a similar timeframe. The heat will be accompanied by some humidity

An Excessive Heat Warning continues for the region until Wednesday as temperatures soar into the one-teens through the period, with a chance to reach 120 or higher. We are also under an Air Quality Alert with the potential for deteriorating air quality as ozone builds up beneath the ridge of high pressure. Make sure you

Highs continue climb (115 yesterday), and may top out as high as 122 before the heatwave ends. An excessive heat warning remains in effect, now until Tuesday of next week for the entire region. During this extended period of extreme heat, follow all of the usual heat precautions to avoid heat-related illness or injury. Records

We’re on record watch this week as highs soar toward the 120 degree mark. An Excessive Heat Watch is in place through Monday of next week, so take the usual heat precautions by limiting time outdoors, drinking plenty of water and other hydrating beverages (avoid caffeine and alcohol), and never leave person or pet in

Extreme heat is back, and will be with us through the Independence Day Holiday and into early next week. An Excessive Heat Warning is in place through next Monday. There is also a Smoke Advisory from the South Coast Air Quality Management District due to elevated pollution from wildfires burning to our West. This will

Excessive Heat Warnings persist through tonight for the Valley and some surround areas. The warning is slated to expire at 8 p.m. Highs today will reach the 111 degree mark, just slightly below yesterday’s 113. Higher humidity and dew points have contributed to the discomfort through the week, but there is a drying trend in

The intense heat that has pushed highs to 115 the last couple of days will continue, with temps climbing to the one-teens until Friday. High pressure grips much of the country, keeping these well-above-average temps around for a while. Ann Excessive Heat Warning remains in place through Thursday at 8 p.m. and an Air Quality

We remain under an Excessive Heat Warning through Thursday as temps again climb toward the 115 mark. There is also an air quality alert for potential blowing sand as well as increased ozone levels at the surface, this is in effect until Wednesday evening. Highs today will again reach close to 115, which we clocked