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.
| 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 |
| 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 ) |
|