Lanark Weather Forecast 15 Days, Weather in Lanark Today
Current weather conditions and 15 day weather forecast for Lanark, 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.
Current weather conditions at Lanark
| 08 February 2026 Sunday -3.1 ° C / 26.4°F  Overcast |
Feels Like : -9.1 ° C / 15.7°F Humidity : % 48 Pressure : 1025 mb Wind Speed : 19.4 kmph / 12.1 miles from SE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Lanark, IL, USA
Weather Forecast for next 15 Days for Lanark 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 Lanark, Illinois 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 08 February 2026 Sunday |  Sunny |
-7.4 ° C (18.7°F) |
5.2 ° C (41.4°F) |
-2.7 ° C (27.2°F) |
% 56 | 0% | 0.4 | Sunrise:07:05 AM Sunset: 05:23 PM |
Moonrise:No moonrise Moonset: 09:55 AM Moon Phase ( Waning Gibbous ) |
|
| 09 February 2026 Monday |  Cloudy |
-3.4 ° C (25.9°F) |
3.5 ° C (38.3°F) |
-0.2 ° C (31.7°F) |
% 83 | 0% | 0.4 | Sunrise:07:03 AM Sunset: 05:25 PM |
Moonrise:01:04 AM Moonset: 10:23 AM Moon Phase ( Last Quarter ) |
|
| 10 February 2026 Tuesday | Overcast |
-2.5 ° C (27.5°F) |
1.9 ° C (35.4°F) |
0.2 ° C (32.4°F) |
% 93 | 0% | 0.5 | Sunrise:07:02 AM Sunset: 05:26 PM |
Moonrise:02:08 AM Moonset: 10:56 AM Moon Phase ( Waning Crescent ) |
|
| 11 February 2026 Wednesday |  Patchy moderate snow |
-3 ° C (26.6°F) |
2.8 ° C (37°F) |
-0.8 ° C (30.5°F) |
% 71 | 84% | 0.5 | Sunrise:07:01 AM Sunset: 05:27 PM |
Moonrise:03:10 AM Moonset: 11:38 AM Moon Phase ( Waning Crescent ) |
|
| 12 February 2026 Thursday | Overcast |
-2.9 ° C (26.7°F) |
2.9 ° C (37.3°F) |
-0.7 ° C (30.8°F) |
% 68 | 0% | 0 | Sunrise:06:59 AM Sunset: 05:29 PM |
Moonrise:04:06 AM Moonset: 12:27 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday | Sunny |
-3 ° C (26.7°F) |
5.5 ° C (41.9°F) |
0.4 ° C (32.7°F) |
% 67 | 0% | 2 | Sunrise:06:58 AM Sunset: 05:30 PM |
Moonrise:04:55 AM Moonset: 01:26 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday | Sunny |
-1.3 ° C (29.7°F) |
7.4 ° C (45.3°F) |
2.2 ° C (36°F) |
% 63 | 0% | 2 | Sunrise:06:57 AM Sunset: 05:31 PM |
Moonrise:05:37 AM Moonset: 02:30 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday |  Patchy rain nearby |
-0.9 ° C (30.4°F) |
3.7 ° C (38.7°F) |
1.9 ° C (35.4°F) |
% 74 | 80% | 1 | Sunrise:06:55 AM Sunset: 05:32 PM |
Moonrise:06:11 AM Moonset: 03:40 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday | Patchy rain nearby |
2.1 ° C (35.9°F) |
14.3 ° C (57.7°F) |
7.9 ° C (46.3°F) |
% 82 | 62% | 2 | Sunrise:06:54 AM Sunset: 05:34 PM |
Moonrise:06:39 AM Moonset: 04:49 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday |  Moderate rain |
11 ° C (51.8°F) |
15.2 ° C (59.3°F) |
13.5 ° C (56.3°F) |
% 90 | 89% | 3 | Sunrise:06:52 AM Sunset: 05:35 PM |
Moonrise:07:04 AM Moonset: 06:00 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Patchy rain nearby |
-0 ° C (32°F) |
7.2 ° C (44.9°F) |
3.7 ° C (38.7°F) |
% 66 | 77% | 1 | Sunrise:06:51 AM Sunset: 05:36 PM |
Moonrise:07:26 AM Moonset: 07:11 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday | Sunny |
3.2 ° C (37.8°F) |
15.5 ° C (59.9°F) |
8.1 ° C (46.7°F) |
% 71 | 0% | 3 | Sunrise:06:50 AM Sunset: 05:38 PM |
Moonrise:07:47 AM Moonset: 08:22 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday | Patchy rain nearby |
6.7 ° C (44°F) |
16.5 ° C (61.7°F) |
11.6 ° C (52.8°F) |
% 85 | 89% | 3 | Sunrise:06:48 AM Sunset: 05:39 PM |
Moonrise:08:08 AM Moonset: 09:35 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday |  Light freezing rain |
-7.4 ° C (18.7°F) |
-3.4 ° C (26°F) |
-3.5 ° C (25.7°F) |
% 57 | 84% | 1 | Sunrise:06:47 AM Sunset: 05:40 PM |
Moonrise:08:31 AM Moonset: 10:50 PM Moon Phase ( Waxing Crescent ) |
|
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