AGRICULTURAL/LAWN & GARDEN WEATHER FORECAST (ETA) GUIDANCE FOR Chicago-O'Hare, IL UKAWC/NWS KORD NAM MOS GUIDANCE 12 /09 /2008 1200 UTC AFTERNOON: ---------- The high today will be 34 degrees with 90% area coverage of precip in the amount of 0.01-0.09 inches. The maximum dewpoint from 2 p.m. to 8 p.m.(EDT) will be 33 degrees with a minimum dewpoint of 30 degrees. The temperatures and dewpoints today will produce a low relative humidity near 90%. The winds will begin from the N and end out of the N with an average wind speed of 16 mph. The wind speeds will range from 12 mph to 17 mph throughout the period creating 6 hours of unfavorable spraying conditions, 1 hours of marginal conditions, and 0 hours of favorable spraying conditions. Skies today at 2:00 p.m. will be cloudy with a total of 0 hours of sunny skies, 0 hours of partly cloudy skies, 0 hours of mostly cloudy skies, and 7 hours of cloudy skies during the time period. TONIGHT: -------- The low tonight will be 21 degrees with 40% area coverage of precip in the amount of 0.00-0.01 inches. The maximum dewpoint from 8 p.m. to 8 a.m.(EDT) will be 28 degrees with a minimum dewpoint of 18 degrees. The temperatures and dewpoints tonight will produce a high relative humidity near 90%. The winds will begin from the SE and end out of the N with an average wind speed of 14 mph. The wind speeds will range from 10 mph to 16 mph throughout the period creating 9 hours of unfavorable spraying conditions, 3 hours of marginal conditions, and 0 hours of favorable spraying conditions. Skies tonight at 2:00 a.m. will be cloudy with a total of 0 hours of clear skies, 2 hours of partly cloudy skies, 3 hours of mostly cloudy skies, and 7 hours of cloudy skies during the time period. The forecasted leaf wetness due to dew formation for the time period is for 0 hours. TOMORROW: --------- The high tomorrow will be 32 degrees with 10% area coverage of precip in the amount of 0.00-0.01 inches. The maximum dewpoint from 8 a.m. to 8 p.m.(EDT) will be 22 degrees with a minimum dewpoint of 18 degrees. The temperatures and dewpoints tomorrow will produce a low relative humidity near 65%. The winds will begin from the W and end out of the E with an average wind speed of 8 mph. The wind speeds will range from 6 mph to 10 mph throughout the period creating 0 hours of unfavorable spraying conditions, 10 hours of marginal conditions, and 2 hours of favorable spraying conditions. Skies tomorrow at 2:00 p.m. will be mostly cloudy with a total of 0 hours of sunny skies, 1 hours of partly cloudy skies, 6 hours of mostly cloudy skies, and 5 hours of cloudy skies during the time period. * NOTE: See ETA Ag Wx Data for specific times.