July's opening days have hit Chicagoans with a double meteorological whammy: subpar temperatures and far less sun than normal. The area has seen only 35 percent of its possible sunshine from July 1 to 10. Not since 1969 has the period hosted so little sunlight. A typical July sees 68 percent of its possible sunshine.
Saturday morning's clouds and scattered showers give way to sunshine and declining humidities by afternoon. A pre-dawn cold frontal passage is allowing drier Canadian air to move slowly into the area -- an air mass that will dominate the weekend and produce warm midsummer temperatures.
But while seasonable readings are predicted here, a fourth consecutive day of brutal heat is to blaze across the central and southern Plains. In Oklahoma, Friday thermometer readings topped out at 112 degrees at Gage and 111 degrees at Enid, Medicine Lodge and Clinton. Warnings for excessive heat cover sections of states from Arizona to Texas, Louisiana, Oklahoma and Arkansas.
Saturday morning's clouds and scattered showers give way to sunshine and declining humidities by afternoon. A pre-dawn cold frontal passage is allowing drier Canadian air to move slowly into the area -- an air mass that will dominate the weekend and produce warm midsummer temperatures.
But while seasonable readings are predicted here, a fourth consecutive day of brutal heat is to blaze across the central and southern Plains. In Oklahoma, Friday thermometer readings topped out at 112 degrees at Gage and 111 degrees at Enid, Medicine Lodge and Clinton. Warnings for excessive heat cover sections of states from Arizona to Texas, Louisiana, Oklahoma and Arkansas.
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