Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

Lat: 44.01424°NLon: 117.00808°WElev: 2185.0ft.

Clear

93°F

34°C

Humidity	14%
Wind Speed	N 0 MPH
Barometer	29.86 in (1011.18 mb)
Dewpoint	38°F (3°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	27 Aug 06:20 PM MDT

More Information:

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

Extended Forecast for

Ontario ORSimilar City Names

Tonight
Low: 64 °F
Partly Cloudy
then Patchy
Smoke
Friday
High: 88 °F
Mostly Cloudy
Friday Night
Low: 63 °F
Slight Chance
T-storms then
Chance
Showers
Saturday
High: 87 °F
Sunny
Saturday Night
Low: 54 °F
Slight Chance
Showers then
Partly Cloudy
Sunday
High: 79 °F
Sunny
Sunday Night
Low: 53 °F
Mostly Clear
Monday
High: 88 °F
Sunny
Monday Night
Low: 58 °F
Partly Cloudy

Detailed Forecast

Tonight

Patchy smoke between midnight and 3am. Increasing clouds, with a low around 64. West wind 6 to 11 mph becoming light and variable. Winds could gust as high as 23 mph.

Friday

Mostly cloudy, with a high near 88. Light and variable wind becoming south southeast 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.

Friday Night

A slight chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 3am. Mostly cloudy, with a low around 63. East wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Saturday

Sunny, with a high near 87. Northwest wind 5 to 7 mph becoming southwest in the afternoon.

Saturday Night

A 20 percent chance of showers before midnight. Partly cloudy, with a low around 54. West wind 9 to 13 mph becoming north northwest in the evening. Winds could gust as high as 22 mph.

Sunday

Sunny, with a high near 79.

Sunday Night

Mostly clear, with a low around 53.

Monday

Sunny, with a high near 88.

Monday Night

Partly cloudy, with a low around 58.

Tuesday

Mostly sunny, with a high near 88.

Tuesday Night

Partly cloudy, with a low around 56.