Unseasonably cold temperatures spreading into central U.S.
A strong cold front will usher a much colder air mass into the central and eastern U.S. for the end of the work week. Temperatures will be 10 to 20 degrees below average in some areas. Rain and snow will be possible across the Great Lakes on Friday as the system crosses the area. Heavy snow is possible in the central Appalachians Friday night.
Read More... Humidity81% Wind Speedcalm Barometer29.97 in (1013.6 mb) Dewpoint55°F (13°C) Visibility10.00 mi
Current conditions at
Ontario, Ontario International Airport (KONT)
Lat: 34.05333°N Lon: 117.57583°W Elev: 942ft.
Rancho Cucamonga CA 7 Day Forecast
Detailed Forecast Overnight Patchy fog. Otherwise, cloudy, with a low around 58. Calm wind. Friday A chance of drizzle before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 75. Light west wind becoming southwest 5 to 10 mph in the afternoon. Friday Night Showers, mainly after 11pm. The rain could be heavy at times. Low around 56. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Saturday Showers likely, mainly before 11am. Mostly cloudy, with a high near 65. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Saturday Night A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 49. West wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 20 mph. Sunday Mostly sunny, with a high near 69. Sunday Night Mostly clear, with a low around 51. Monday Sunny, with a high near 74. Monday Night Mostly clear, with a low around 54. Tuesday Sunny, with a high near 78. Tuesday Night Mostly clear, with a low around 57. Wednesday Sunny, with a high near 83. Wednesday Night Mostly clear, with a low around 60. Thursday Sunny, with a high near 84.