Forecast and Conditions for Grafton, Illinois

Updated: 10:54 PM CDT on July 24, 2008
Observed at St. Charles, Missouri
Temperature 70 °F / 21 °C
Humidity 90%
Dew Point 67 °F / 19 °C
Wind East at 4 mph / 6 km/h
Pressure 30.00 in / 1016 hPa (Falling)
Conditions Mostly Cloudy
Visibility 4.0 miles / 6.4 kilometers
Clouds (FEW) : 7500 ft / 2286 m
Mostly Cloudy (BKN) : 10000 ft / 3048 m
Mostly Cloudy (BKN) : 12000 ft / 3657 m
Yesterday's Maximum 83 °F / 28 °C
Yesterday's Minimum 69 °F / 20 °C
Normal high 90 °F / 32 °C
Normal low 71 °F / 21 °C
Record high 111 °F / 43 °C (1934)
Record low 60 °F / 15 °C (1974)
Yesterday's Heating Degree Days 0
Yesterday's Cooling Degree Days 11
Sunrise05:56 AM (CDT)
Sunset08:20 PM (CDT)
Moon Rise11:27 PM (CDT)
Moon Set12:29 PM (CDT)
Moon Phase
Forecast as of 9:19 PM CDT on July 24, 2008

Tonight
Mostly cloudy. Scattered showers and thunderstorms late in the evening...then showers and thunderstorms likely after midnight. Near steady temperature in the mid 60s. Light wind. Chance of rain 70 percent.
Friday
Warmer. Mostly cloudy with showers and thunderstorms likely. High in the mid 80s. South wind around 10 mph. Chance of rain 60 percent.
Friday Night
Partly cloudy with a 30 percent chance of showers and thunderstorms. Low around 70. Light wind.
Saturday
Partly sunny with a 30 percent chance of showers and thunderstorms. High around 90. Light wind.
Saturday Night
Partly cloudy. Low in the upper 60s. Light wind.
Sunday
Partly sunny with a 30 percent chance of showers and thunderstorms. High in the upper 80s.
Sunday Night
Partly cloudy with a 30 percent chance of thunderstorms. Low in the upper 60s.
Monday through Tuesday Night
Partly cloudy. High around 90. Low in the upper 60s.
Wednesday and Wednesday Night
Partly cloudy. A 30 percent chance of thunderstorms. High in the upper 80s. Low in the mid 60s.
Thursday
Partly cloudy. High in the mid 80s.
Copyright © 2008 The Weather Underground, Inc.