Crystal Lake Weather Forecast 15 Days, Weather in Crystal Lake Today
Current weather conditions and 15 day weather forecast for Crystal Lake, Iowa, 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 Crystal Lake
| 06 February 2026 Friday 1.3 ° C / 34.4°F  Overcast |
Feels Like : -5.1 ° C / 22.8°F Humidity : % 85 Pressure : 1022 mb Wind Speed : 28.4 kmph / 17.7 miles from NNW  Visibility : 2 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Crystal Lake, IA, USA
Weather Forecast for next 15 Days for Crystal Lake 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 Crystal Lake, Iowa 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 06 February 2026 Friday | Overcast |
-4.2 ° C (24.4°F) |
2.9 ° C (37.2°F) |
0.5 ° C (32.9°F) |
% 82 | 0% | 0.6 | Sunrise:07:25 AM Sunset: 05:34 PM |
Moonrise:11:12 PM Moonset: 09:25 AM Moon Phase ( Waning Gibbous ) |
|
| 07 February 2026 Saturday |  Sunny |
-9.8 ° C (14.4°F) |
-1 ° C (30.2°F) |
-5.7 ° C (21.7°F) |
% 70 | 0% | 0.6 | Sunrise:07:23 AM Sunset: 05:35 PM |
Moonrise:No moonrise Moonset: 09:45 AM Moon Phase ( Waning Gibbous ) |
|
| 08 February 2026 Sunday | Overcast |
-3.4 ° C (25.9°F) |
2 ° C (35.6°F) |
-1.6 ° C (29.2°F) |
% 88 | 0% | 0.6 | Sunrise:07:22 AM Sunset: 05:37 PM |
Moonrise:12:18 AM Moonset: 10:07 AM Moon Phase ( Waning Gibbous ) |
|
| 09 February 2026 Monday | Overcast |
-2.5 ° C (27.6°F) |
4.6 ° C (40.2°F) |
-0.7 ° C (30.7°F) |
% 95 | 0% | 0.6 | Sunrise:07:21 AM Sunset: 05:38 PM |
Moonrise:01:24 AM Moonset: 10:34 AM Moon Phase ( Last Quarter ) |
|
| 10 February 2026 Tuesday |  Partly Cloudy |
-2.9 ° C (26.8°F) |
1.1 ° C (34°F) |
-1.2 ° C (29.9°F) |
% 88 | 0% | 0 | Sunrise:07:19 AM Sunset: 05:39 PM |
Moonrise:02:28 AM Moonset: 11:07 AM Moon Phase ( Waning Crescent ) |
|
| 11 February 2026 Wednesday | Partly Cloudy |
-6 ° C (21.3°F) |
-0.8 ° C (30.5°F) |
-3.6 ° C (25.5°F) |
% 76 | 0% | 2 | Sunrise:07:18 AM Sunset: 05:41 PM |
Moonrise:03:31 AM Moonset: 11:48 AM Moon Phase ( Waning Crescent ) |
|
| 12 February 2026 Thursday | Sunny |
-7.9 ° C (17.8°F) |
2.7 ° C (36.8°F) |
-4.1 ° C (24.5°F) |
% 74 | 0% | 2 | Sunrise:07:17 AM Sunset: 05:42 PM |
Moonrise:04:27 AM Moonset: 12:37 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday | Sunny |
-3.6 ° C (25.5°F) |
6.9 ° C (44.4°F) |
0.6 ° C (33.1°F) |
% 70 | 0% | 2 | Sunrise:07:15 AM Sunset: 05:43 PM |
Moonrise:05:16 AM Moonset: 01:37 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday | Partly Cloudy |
-0.5 ° C (31.1°F) |
7.7 ° C (45.9°F) |
2.7 ° C (36.9°F) |
% 80 | 0% | 2 | Sunrise:07:14 AM Sunset: 05:45 PM |
Moonrise:05:57 AM Moonset: 02:42 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday |  Patchy rain nearby |
0.3 ° C (32.5°F) |
3.2 ° C (37.8°F) |
1.5 ° C (34.6°F) |
% 93 | 77% | 1 | Sunrise:07:12 AM Sunset: 05:46 PM |
Moonrise:06:30 AM Moonset: 03:52 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday |  Fog |
0.4 ° C (32.7°F) |
1.2 ° C (34.1°F) |
0.8 ° C (33.4°F) |
% 99 | 74% | 1 | Sunrise:07:11 AM Sunset: 05:47 PM |
Moonrise:06:58 AM Moonset: 05:03 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday | Overcast |
-0.4 ° C (31.3°F) |
5 ° C (41.1°F) |
1.7 ° C (35°F) |
% 92 | 0% | 1 | Sunrise:07:09 AM Sunset: 05:48 PM |
Moonrise:07:21 AM Moonset: 06:14 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday |  Light snow |
-4.1 ° C (24.6°F) |
-0 ° C (31.9°F) |
-0.9 ° C (30.4°F) |
% 82 | 0% | 1 | Sunrise:07:08 AM Sunset: 05:50 PM |
Moonrise:07:42 AM Moonset: 07:26 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday | Partly Cloudy |
-5.9 ° C (21.3°F) |
2.2 ° C (35.9°F) |
-2.5 ° C (27.5°F) |
% 70 | 0% | 2 | Sunrise:07:06 AM Sunset: 05:51 PM |
Moonrise:08:02 AM Moonset: 08:38 PM Moon Phase ( Waxing Crescent ) |
|
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