CHICAGO METROPOLITAN FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
847 PM CST WED MAR 10 2010
...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CST THURSDAY FOR
LAKE AND MCHENRY COUNTIES IN NORTHEAST ILLINOIS...
.REST OF TONIGHT...PARTLY CLOUDY LATE IN THE EVENING THEN
BECOMING CLOUDY. AREAS OF DENSE FOG NORTH. A 20 PERCENT CHANCE
OF SHOWERS WESTERN AND SOUTHERN SUBURBS OVERNIGHT. LOWS IN THE
UPPER 30S FAR NORTHERN SUBURBS TO THE MID 40S SOUTHERN SUBURBS.
LIGHT AND VARIABLE WINDS BECOMING SOUTHEAST AROUND 10 MPH
OVERNIGHT.
.TONIGHT...MOSTLY CLOUDY. AREAS OF DENSE FOG THROUGH THE NIGHT.
LOWS IN THE MID 40S MOST AREAS...WITH LOWER 40S NEAR THE LAKE.
SOUTHEAST WINDS AROUND 10 MPH.
.THURSDAY...AREAS OF FOG IN THE MORNING. SHOWERS AND A CHANCE OF
THUNDERSTORMS. HIGHS AROUND 50 NEAR THE LAKE...WITH LOW TO MID
50S ELSEWHERE. SOUTHEAST WINDS 10 TO 15 MPH. CHANCE OF
PRECIPITATION 90 PERCENT.
.THURSDAY NIGHT...CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS.
LOWS IN THE LOWER 40S. SOUTH WINDS 10 TO 15 MPH IN THE EVENING
BECOMING LIGHT AND VARIABLE...THEN BECOMING SOUTH AROUND 10 MPH
DURING THE PREDAWN HOURS.
.FRIDAY...CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS. HIGHS IN
THE UPPER 40S. SOUTHEAST WINDS AROUND 10 MPH IN THE MORNING
BECOMING EAST IN THE AFTERNOON.
.FRIDAY NIGHT...CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS. LOWS
AROUND 40. NORTHEAST WINDS AROUND 10 MPH.
.SATURDAY...CLOUDY WITH A 50 PERCENT CHANCE OF SHOWERS. HIGHS IN
THE UPPER 40S.
.SATURDAY NIGHT...CLOUDY WITH A 30 PERCENT CHANCE OF RAIN
SHOWERS. LOWS IN THE MID 30S.
.SUNDAY...MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS.
HIGHS IN THE MID 40S.
.SUNDAY NIGHT THROUGH TUESDAY NIGHT...PARTLY CLOUDY. LOWS IN THE
MID 30S. HIGHS IN THE MID 40S.
.WEDNESDAY...MOSTLY SUNNY. HIGHS IN THE LOWER 50S.
$$
WEATHER FACTS
LEADERS A channel of charged air created by excess electrons in a thunderstorm cloud. A leader reaches from the cloud to the ground below, looking for positive charges.