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Hazardous Weather Conditions

Extreme Heat Warning until July 27, 08:00 PM PDT

Current conditions at

Fontana-Arrow Highway (CQ057)

Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.

100°F

38°C

Humidity	20%
Wind Speed	W 8 MPH
Barometer	NA
Dewpoint	53°F (12°C)
Visibility	NA
Heat Index	97°F (36°C)
Last update	24 Jul 05:00 PM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles SSE Rancho Cucamonga CA

Extreme Heat Warning July 24, 06:49pm until July 27, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning July 24, 06:49pm until July 27, 08:00pm
NOW until 8:00pm Mon
Extreme Heat Warning
Tonight
Low: 71 °F
Mostly Clear
Saturday
High: 100 °F
Sunny
Saturday Night
Low: 71 °F
Patchy Fog
Sunday
High: 99 °F
Sunny
Sunday Night
Low: 70 °F
Mostly Clear
Monday
High: 98 °F
Sunny
Monday Night
Low: 69 °F
Mostly Clear
Tuesday
High: 98 °F
Sunny

Detailed Forecast

Tonight

Mostly clear, with a low around 71. West wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

Saturday

Sunny, with a high near 100. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

Saturday Night

Patchy fog after 11pm. Otherwise, mostly clear, with a low around 71. Southwest wind 10 to 15 mph becoming light south in the evening. Winds could gust as high as 20 mph.

Sunday

Sunny, with a high near 99. Light south wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

Sunday Night

Mostly clear, with a low around 70. Southwest wind 5 to 10 mph becoming light in the evening.

Monday

Sunny, with a high near 98.

Monday Night

Mostly clear, with a low around 69.

Tuesday

Sunny, with a high near 98.

Tuesday Night

Mostly clear, with a low around 69.