UPDATE: A nice channel of clear skies spans from northeast Wisconsin to northern Illinois to eastern Iowa, northwest Missouri, and eastern Kansas. Although the National Weather Service is forecasting Mostly Cloudy skies, the break has brought sunnier skies than initially forecast for Tuesday.
The radar is clear Tuesday afternoon. Chicagoland weather radar showed very light rain or drizzle moving north-northeast in Chicagoland with the most significant precipitation in western Lake County at 8:00 a.m.
Rain and drizzle was forecast to end by 9:00 a.m. and start up after midnight as rain or snow, which will continue on Wednesday. Snow accumulation is currently forecasted to be 3.5 inches in Arlington Heights by 11:00 p.m. Wednesday.
The significant snowfall is expected begin about 6:00 a.m. Wednesday, taper off about 5:30 p.m. and stop about midnight.
After a high of 47°F at 3:00 p.m., temperatures are expected to drop — reaching 34°F by midnight Tuesday/Wednesday. We experienced a temperature rise overnight Monday/Tuesday.
TODAY Sunrise: 7:17 AM Sunset: 4:24 PM
O’Hare Airport & Nearby Airport Weather Observations & Conditions • TUE DEC 23, 2014 11:51 PM CDT
| Location | Time (cdt) |
Sky/Weather | Temp. (ºF) |
Dewpt. (ºF) |
Humidity (%) |
Wind (mph) |
Pressure (in) |
|
|---|---|---|---|---|---|---|---|---|
| Chicago/O’Hare | 12:51 | Partly Cloudy | 46 | 36 | 68 | SW 18 G 26 | 29.68 | |
| Chicago Midway Airport | 12:53 | Partly Cloudy | 50 | 39 | 66 | SW 13 G 23 | 29.69 | |
| Chicago Executive Airport | 12:52 | Fair | 47 | 36 | 66 | SW 16 G 24 | 29.69 | |
| Chicago / West Chicago, Dupage Airport | 12:52 | Mostly Cloudy and Breezy | 47 | 37 | 69 | SW 21 G 26 | 29.68 | |
| Aurora Municipal Airport | 12:52 | Mostly Cloudy | 47 | 37 | 69 | S 15 | 29.70 | |
| Gary Chicago International | 12:45 | Partly Cloudy | 52 | 34 | 50 | SW 12 G 23 | 29.72 | |
| Kenosha Regional Airport | 12:53 | Mostly Cloudy | 45 | 37 | 74 | SW 14 G 22 | 29.65 | |
| Chicago / Waukegan, Waukegan Regional Airport | 12:55 | Mostly Cloudy and Breezy | 46 | 36 | 68 | SW 21 G 30 | 29.65 | |
| Lansing Municipal Airport | 13:15 | Fair | 49 | 39 | 70 | SW 16 | 29.71 | |
| Click on location name for the weather during the past two days at that site. | ||||||||
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O’Hare Airport and Nearby Airport Weather Observations & Conditions • TUE DEC 23, 2014 7:52 AM CDT
| Location | Time (cdt) |
Sky/Weather | Temp. (ºF) |
Dewpt. (ºF) |
Humidity (%) |
Wind (mph) |
Pressure (in) |
|
|---|---|---|---|---|---|---|---|---|
| Chicago/O’Hare | 07:51 | Overcast | 47 | 44 | 90 | S 13 | 29.59 | |
| Chicago Midway Airport | 07:53 | Overcast | 49 | 45 | 86 | S 13 | 29.61 | |
| Chicago Executive Airport | 07:52 | Overcast | 47 | 44 | 90 | S 9 | 29.60 | |
| Chicago / West Chicago, Dupage Airport | 07:52 | Light Rain | 46 | 43 | 89 | S 12 G 20 | 29.58 | |
| Aurora Municipal Airport | 07:52 | Light Rain | 46 | 41 | 83 | SW 13 G 23 | 29.60 | |
| Gary Chicago International | 08:45 | Mostly Cloudy | 48 | 41 | 76 | S 8 | 29.65 | |
| Kenosha Regional Airport | 07:53 | Fog/Mist | 42 | 42 | 100 | SE 6 | 29.57 | |
| Chicago / Waukegan, Waukegan Regional Airport | 07:55 | Fog/Mist | 40 | 40 | 100 | SE 5 | 29.58 | |
| Lansing Municipal Airport | 08:35 | Overcast | 45 | 44 | 93 | SW 10 | 29.65 | |
| Click on location name for the weather during the past two days at that site. | ||||||||
Detailed Forecast
- TodayA 20 percent chance of rain or drizzle before 9am. Mostly cloudy, with a high near 48. South southwest wind 10 to 15 mph.
- TonightA chance of rain and snow, mainly after 2am. Cloudy, with a low around 35. South southwest wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 40%.
- WednesdaySnow, possibly mixed with rain. The snow could be heavy at times. Temperature falling to around 33 by noon. North wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
- Wednesday NightSnow before midnight. Low around 30. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
- Christmas DayPartly sunny, with a high near 38. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
- Thursday NightMostly cloudy, with a low around 32.
- FridayPartly sunny, with a high near 43.
- Friday NightA slight chance of rain and snow. Mostly cloudy, with a low around 32.
- SaturdayPartly sunny, with a high near 33.
- Saturday NightPartly cloudy, with a low around 22.
- SundayMostly sunny, with a high near 30.
- Sunday NightPartly cloudy, with a low around 24.
- MondayPartly sunny, with a high near 33.