Current weather conditions and 15 day weather forecast for Mount Prospect, 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.
| 11 February 2026 Wednesday -1.7 ° C / 28.9°F ![]() Clear |
Feels Like : -6.2 ° C / 20.9°F Humidity : % 75 Pressure : 1020 mb Wind Speed : 13.3 kmph / 8.3 miles from NW ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 25 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 11 February 2026 Wednesday | Sunny |
-4.5 ° C (23.9°F) |
7.7 ° C (45.9°F) |
0.1 ° C (32.1°F) |
% 68 | 0% | 0.5 | Sunrise:06:53 AM Sunset: 05:20 PM |
Moonrise:03:01 AM Moonset: 11:30 AM Moon Phase ( Waning Crescent ) |
|
| 12 February 2026 Thursday | Overcast |
-5.1 ° C (22.8°F) |
1.9 ° C (35.4°F) |
-1.7 ° C (29°F) |
% 85 | 0% | 0.4 | Sunrise:06:52 AM Sunset: 05:21 PM |
Moonrise:03:58 AM Moonset: 12:19 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday | Partly Cloudy |
-2.8 ° C (27°F) |
8.4 ° C (47.1°F) |
1.5 ° C (34.8°F) |
% 89 | 0% | 0.4 | Sunrise:06:50 AM Sunset: 05:22 PM |
Moonrise:04:47 AM Moonset: 01:18 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday | Partly Cloudy |
0.4 ° C (32.6°F) |
6.9 ° C (44.4°F) |
3 ° C (37.4°F) |
% 76 | 0% | 0.5 | Sunrise:06:49 AM Sunset: 05:24 PM |
Moonrise:05:29 AM Moonset: 02:23 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday | Sunny |
1.3 ° C (34.4°F) |
10.4 ° C (50.7°F) |
4.1 ° C (39.3°F) |
% 79 | 0% | 0 | Sunrise:06:47 AM Sunset: 05:25 PM |
Moonrise:06:03 AM Moonset: 03:32 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday | Partly Cloudy |
1.5 ° C (34.7°F) |
9.1 ° C (48.4°F) |
4.7 ° C (40.4°F) |
% 61 | 0% | 2 | Sunrise:06:46 AM Sunset: 05:26 PM |
Moonrise:06:31 AM Moonset: 04:42 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday | Sunny |
3.5 ° C (38.3°F) |
12.6 ° C (54.6°F) |
8 ° C (46.4°F) |
% 75 | 0% | 3 | Sunrise:06:45 AM Sunset: 05:27 PM |
Moonrise:06:56 AM Moonset: 05:52 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Sunny |
10.9 ° C (51.6°F) |
19.7 ° C (67.4°F) |
14.3 ° C (57.7°F) |
% 78 | 0% | 4 | Sunrise:06:43 AM Sunset: 05:29 PM |
Moonrise:07:18 AM Moonset: 07:03 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday | Patchy rain nearby |
13.2 ° C (55.7°F) |
16.7 ° C (62.1°F) |
15.1 ° C (59.1°F) |
% 81 | 79% | 4 | Sunrise:06:42 AM Sunset: 05:30 PM |
Moonrise:07:39 AM Moonset: 08:14 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday | Sunny |
1 ° C (33.8°F) |
5.2 ° C (41.3°F) |
3.5 ° C (38.3°F) |
% 51 | 0% | 2 | Sunrise:06:40 AM Sunset: 05:31 PM |
Moonrise:08:00 AM Moonset: 09:27 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday | Patchy rain nearby |
-0 ° C (31.9°F) |
6.1 ° C (42.9°F) |
2.7 ° C (36.9°F) |
% 56 | 80% | 1 | Sunrise:06:39 AM Sunset: 05:33 PM |
Moonrise:08:24 AM Moonset: 10:42 PM Moon Phase ( Waxing Crescent ) |
|
| 22 February 2026 Sunday | Partly Cloudy |
2.2 ° C (36°F) |
12.3 ° C (54.1°F) |
6.4 ° C (43.5°F) |
% 74 | 0% | 3 | Sunrise:06:37 AM Sunset: 05:34 PM |
Moonrise:08:51 AM Moonset: 11:59 PM Moon Phase ( Waxing Crescent ) |
|
| 23 February 2026 Monday | Sunny |
-5.2 ° C (22.7°F) |
-0.5 ° C (31°F) |
-2.8 ° C (26.9°F) |
% 38 | 0% | 2 | Sunrise:06:36 AM Sunset: 05:35 PM |
Moonrise:09:25 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 24 February 2026 Tuesday | Partly Cloudy |
-3.2 ° C (26.2°F) |
5.3 ° C (41.5°F) |
0.1 ° C (32.2°F) |
% 35 | 0% | 2 | Sunrise:06:34 AM Sunset: 05:36 PM |
Moonrise:10:07 AM Moonset: 01:17 AM Moon Phase ( First Quarter ) |
|