Illinois Weather Forecast 15 Days, Weather in Illinois Today
Current weather conditions and 15 day weather forecast for Illinois, North Dakota, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Illinois
| 19 December 2025 Friday -22.2 ° C / -8°F  Clear |
Feels Like : -30 ° C / -22.1°F Humidity : % 74 Pressure : 1009 mb Wind Speed : 10.4 kmph / 6.5 miles from ESE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Illinois, ND, USA
Weather Forecast for next 15 Days for Illinois including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Illinois, North Dakota state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 19 December 2025 Friday |  Patchy moderate snow |
-23.2 ° C (-9.8°F) |
-8.8 ° C (16.2°F) |
-15.4 ° C (4.2°F) |
% 71 | 81% | 0.1 | Sunrise:08:19 AM Sunset: 04:42 PM |
Moonrise:08:34 AM Moonset: 03:55 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Sunny |
-20.2 ° C (-4.4°F) |
-12.9 ° C (8.8°F) |
-13.6 ° C (7.5°F) |
% 76 | 0% | 0.2 | Sunrise:08:20 AM Sunset: 04:42 PM |
Moonrise:09:25 AM Moonset: 04:52 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Partly Cloudy |
-21.5 ° C (-6.7°F) |
-4.3 ° C (24.3°F) |
-13.5 ° C (7.6°F) |
% 82 | 0% | 0.2 | Sunrise:08:21 AM Sunset: 04:42 PM |
Moonrise:10:05 AM Moonset: 05:58 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Partly Cloudy |
-14.3 ° C (6.3°F) |
-1.6 ° C (29.2°F) |
-6.6 ° C (20.1°F) |
% 91 | 0% | 0.2 | Sunrise:08:21 AM Sunset: 04:43 PM |
Moonrise:10:36 AM Moonset: 07:10 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Mist |
-21.3 ° C (-6.3°F) |
-13.5 ° C (7.7°F) |
-16.8 ° C (1.8°F) |
% 93 | 0% | 0 | Sunrise:08:21 AM Sunset: 04:44 PM |
Moonrise:11:00 AM Moonset: 08:23 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Partly Cloudy |
-13.6 ° C (7.5°F) |
-5.9 ° C (21.4°F) |
-9.8 ° C (14.3°F) |
% 93 | 0% | 2 | Sunrise:08:22 AM Sunset: 04:44 PM |
Moonrise:11:20 AM Moonset: 09:38 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Light snow |
-16.6 ° C (2.1°F) |
-11.3 ° C (11.6°F) |
-13.5 ° C (7.7°F) |
% 94 | 78% | 1 | Sunrise:08:22 AM Sunset: 04:45 PM |
Moonrise:11:37 AM Moonset: 10:51 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Freezing fog |
-23.5 ° C (-10.2°F) |
-16.4 ° C (2.5°F) |
-20.4 ° C (-4.7°F) |
% 97 | 0% | 1 | Sunrise:08:22 AM Sunset: 04:46 PM |
Moonrise:11:52 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Mist |
-23.7 ° C (-10.6°F) |
-11.6 ° C (11.2°F) |
-16.4 ° C (2.4°F) |
% 94 | 79% | 1 | Sunrise:08:23 AM Sunset: 04:46 PM |
Moonrise:12:07 PM Moonset: 12:06 AM Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Light snow |
-7.4 ° C (18.6°F) |
-3.1 ° C (26.4°F) |
-4.6 ° C (23.6°F) |
% 95 | 68% | 1 | Sunrise:08:23 AM Sunset: 04:47 PM |
Moonrise:12:24 PM Moonset: 01:24 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Cloudy |
-20.1 ° C (-4.2°F) |
-12.2 ° C (10.1°F) |
-14 ° C (6.8°F) |
% 93 | 0% | 1 | Sunrise:08:23 AM Sunset: 04:48 PM |
Moonrise:12:44 PM Moonset: 02:45 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Freezing fog |
-23 ° C (-9.5°F) |
-18 ° C (-0.4°F) |
-21 ° C (-5.8°F) |
% 97 | 0% | 1 | Sunrise:08:23 AM Sunset: 04:49 PM |
Moonrise:01:10 PM Moonset: 04:10 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Light snow |
-20.6 ° C (-5.1°F) |
-16.9 ° C (1.6°F) |
-18.6 ° C (-1.5°F) |
% 96 | 89% | 1 | Sunrise:08:23 AM Sunset: 04:50 PM |
Moonrise:01:46 PM Moonset: 05:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday |  Light freezing rain |
-29.3 ° C (-20.7°F) |
-20.1 ° C (-4.2°F) |
-22.3 ° C (-8.2°F) |
% 98 | 83% | 1 | Sunrise:08:23 AM Sunset: 04:51 PM |
Moonrise:02:36 PM Moonset: 07:01 AM Moon Phase ( Waxing Gibbous ) |
|
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