40 (Refer to FAA-CT-8080-2G, Figure 12.) What are the current conditions for Chicago Midway Airport (KMDW)?
B. Sky 7,000 feet overcast, visibility 1-1/2SM, heavy rain.
Surface aviation weather observations (METARs) are a compilation of elements of the current weather at individual ground stations across the United States. (METAR is the MEteorological Terminal Aviation Routine weather report station network.)
Wikipedia is a good, concise source of METAR codes.
This is not the correct answer.