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  5 Day Forecast for Mount Vernon, IL as of 4:35 PM CDT on May 17, 2012
Thursday

Clear
HI 81° F
LO 54° F
Friday

Partly Cloudy
HI 86° F
LO 59° F
Saturday

Partly Cloudy
HI 88° F
LO 61° F
Sunday

Partly Cloudy
HI 86° F
LO 59° F
Monday

Chance of a Thunderstorm
HI 82° F
LO 57° F
  Current Weather Conditions for Mount Vernon, IL as of 4:35 PM CDT on May 17, 2012
Temperature   79° F Dew Point   48° F
Relative Humidity   34% Wind   NE 6 mph
Heat Index  N/A Sky   Clear
Visibility   10.0 Miles Pressure   30.03 in.
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  Extended Forecast for Mount Vernon, IL 4:00 PM CDT on May 17, 2012
Thursday - Clear. High of 81F. Winds from the NE at 5 to 10 mph.
Local Forecasts
Today's Highs/Lows
Allston 68° / 50°
Boston 68° / 50°
Framingham 72° / 39°
Worcester 66° / 46°
Springfield 72° / 37°
Andover 72° / 41°
Cambridge 68° / 50°
Medford 68° / 50°
Lowell 72° / 41°
Traveler's Forecasts
Today's Highs/Lows
Chicago 73° / 54°
New Orleans 86° / 64°
Detroit 70° / 48°
Las Vegas 102° / 77°
Los Angeles 79° / 59°
Tampa 88° / 66°
Green Bay 70° / 52°
Dallas 90° / 66°
Reno 79° / 48°
Sacramento 81° / 52°
San Diego 68° / 61°
Atlanta 86° / 59°
Washington 75° / 55°
Yosemite National Park 75° / 34°
Thursday Night - Clear. Low of 54F. Winds from the NE at 5 to 10 mph shifting to the ESE after midnight.
Friday - Clear in the morning, then partly cloudy. High of 86F. Winds from the SSE at 5 to 10 mph.
Friday Night - Clear. Low of 59F. Winds from the SSE at 5 to 10 mph.
Saturday - Partly cloudy. High of 88F. Winds from the SSE at 5 to 10 mph shifting to the East in the afternoon.
Saturday Night - Partly cloudy in the evening, then mostly cloudy. Low of 61F. Winds from the SSE at 5 to 10 mph.
Sunday - Partly cloudy in the morning, then clear. High of 86F. Winds from the SSW at 5 to 10 mph.
Sunday Night - Partly cloudy with a chance of a thunderstorm and rain in the evening, then overcast with a chance of a thunderstorm and rain. Low of 59F. Winds from the SW at 5 to 10 mph. Chance of rain 70% with rainfall amounts near 0.5 in. possible.
Monday - Partly cloudy with a chance of a thunderstorm and rain in the morning, then overcast with a chance of a thunderstorm and rain. High of 82F. Winds from the NW at 5 to 10 mph. Chance of rain 50%.
Monday Night - Partly cloudy. Fog overnight. Low of 57F. Winds from the North at 5 to 10 mph. Chance of rain 20%.
Tuesday - Clear. High of 77F. Winds from the North at 5 to 10 mph.
Tuesday Night - Clear. Low of 64F. Winds less than 5 mph.
Wednesday - Partly cloudy. High of 81F. Winds from the East at 5 to 10 mph.
Wednesday Night - Partly cloudy. Low of 64F. Winds from the NE at 5 to 10 mph shifting to the ESE after midnight.
Thursday - Partly cloudy. High of 88F. Winds from the SE at 5 to 10 mph.
Thursday Night - Partly cloudy with a chance of a thunderstorm. Low of 70F. Winds from the SSE at 5 to 10 mph. Chance of rain 20%.
Friday - Partly cloudy with a chance of a thunderstorm. High of 88F. Winds from the SSW at 5 to 10 mph. Chance of rain 50%.
Friday Night - Partly cloudy with a chance of a thunderstorm. Low of 70F. Winds from the South at 5 to 10 mph. Chance of rain 40%.
Saturday - Partly cloudy with a chance of a thunderstorm. High of 86F with a heat index of 104F. Winds from the SW at 5 to 10 mph. Chance of rain 20%.
Saturday Night - Partly cloudy. Low of 68F. Winds less than 5 mph.
Sunday - Partly cloudy with a chance of a thunderstorm. High of 88F with a heat index of 108F. Winds less than 5 mph. Chance of rain 20%.
Sunday Night - Partly cloudy with a chance of a thunderstorm. Low of 70F. Winds less than 5 mph. Chance of rain 40%.
Monday - Clear with a chance of a thunderstorm. High of 88F with a heat index of 108F. Winds less than 5 mph. Chance of rain 20%.
Monday Night - Clear. Low of 70F. Winds less than 5 mph.
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