Current weather conditions and 15 day weather forecast for NW Lake Forest Hospital-Grayslake Heliport, Illinois, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
| 12 February 2026 Thursday -4.6 ° C / 23.7°F ![]() Clear |
Feels Like : -7.7 ° C / 18.2°F Humidity : % 81 Pressure : 1024 mb Wind Speed : 6.8 kmph / 4.3 miles from NNW ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 12 February 2026 Thursday | Sunny |
-3.4 ° C (25.9°F) |
1.9 ° C (35.4°F) |
-1.2 ° C (29.8°F) |
% 84 | 0% | 0.4 | Sunrise:06:52 AM Sunset: 05:21 PM |
Moonrise:03:59 AM Moonset: 12:19 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday | Mist |
-5.7 ° C (21.7°F) |
7.5 ° C (45.5°F) |
0.6 ° C (33.1°F) |
% 89 | 0% | 0.4 | Sunrise:06:51 AM Sunset: 05:22 PM |
Moonrise:04:48 AM Moonset: 01:17 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday | Overcast |
-1.2 ° C (29.8°F) |
6.1 ° C (43°F) |
2 ° C (35.7°F) |
% 94 | 0% | 0.4 | Sunrise:06:50 AM Sunset: 05:24 PM |
Moonrise:05:30 AM Moonset: 02:22 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday | Sunny |
0.1 ° C (32.2°F) |
8.3 ° C (47°F) |
3.7 ° C (38.7°F) |
% 81 | 0% | 0.5 | Sunrise:06:48 AM Sunset: 05:25 PM |
Moonrise:06:04 AM Moonset: 03:31 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday | Partly Cloudy |
-0.4 ° C (31.2°F) |
8.6 ° C (47.4°F) |
2 ° C (35.5°F) |
% 79 | 0% | 0 | Sunrise:06:47 AM Sunset: 05:26 PM |
Moonrise:06:32 AM Moonset: 04:41 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday | Partly Cloudy |
3.2 ° C (37.7°F) |
10.7 ° C (51.3°F) |
6.8 ° C (44.2°F) |
% 80 | 0% | 3 | Sunrise:06:45 AM Sunset: 05:27 PM |
Moonrise:06:57 AM Moonset: 05:52 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Patchy rain nearby |
1.8 ° C (35.3°F) |
10.8 ° C (51.4°F) |
6.7 ° C (44.1°F) |
% 82 | 83% | 2 | Sunrise:06:44 AM Sunset: 05:29 PM |
Moonrise:07:19 AM Moonset: 07:03 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday | Patchy rain nearby |
-0.8 ° C (30.6°F) |
4 ° C (39.2°F) |
1.2 ° C (34.2°F) |
% 81 | 77% | 1 | Sunrise:06:43 AM Sunset: 05:30 PM |
Moonrise:07:40 AM Moonset: 08:14 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday | Heavy snow |
0.3 ° C (32.6°F) |
1.1 ° C (34°F) |
0.5 ° C (32.9°F) |
% 99 | 72% | 1 | Sunrise:06:41 AM Sunset: 05:31 PM |
Moonrise:08:01 AM Moonset: 09:28 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday | Light freezing rain |
-0.7 ° C (30.7°F) |
-0.1 ° C (31.9°F) |
-0.4 ° C (31.4°F) |
% 95 | 61% | 1 | Sunrise:06:40 AM Sunset: 05:33 PM |
Moonrise:08:23 AM Moonset: 10:43 PM Moon Phase ( Waxing Crescent ) |
|
| 22 February 2026 Sunday | Moderate or heavy snow showers |
-2.9 ° C (26.7°F) |
0.2 ° C (32.3°F) |
-1.3 ° C (29.6°F) |
% 92 | 86% | 1 | Sunrise:06:38 AM Sunset: 05:34 PM |
Moonrise:08:51 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 23 February 2026 Monday | Freezing fog |
-10.7 ° C (12.7°F) |
-0.1 ° C (31.8°F) |
-4.1 ° C (24.7°F) |
% 96 | 0% | 1 | Sunrise:06:37 AM Sunset: 05:35 PM |
Moonrise:09:24 AM Moonset: 12:01 AM Moon Phase ( Waxing Crescent ) |
|
| 24 February 2026 Tuesday | Light freezing rain |
-5 ° C (23°F) |
-1.5 ° C (29.4°F) |
-2.2 ° C (28°F) |
% 89 | 0% | 1 | Sunrise:06:35 AM Sunset: 05:36 PM |
Moonrise:10:06 AM Moonset: 01:18 AM Moon Phase ( First Quarter ) |
|
| 25 February 2026 Wednesday | Heavy snow |
-7.6 ° C (18.3°F) |
-6.3 ° C (20.6°F) |
-6.6 ° C (20.1°F) |
% 86 | 64% | 1 | Sunrise:06:33 AM Sunset: 05:38 PM |
Moonrise:11:00 AM Moonset: 02:31 AM Moon Phase ( Waxing Gibbous ) |
|