Current Conditions
Crystal Lake, Illinois
Wind
SSE 3 mph4 km/h
Humidity
80%
Cloud Cover
100%
As of Thursday, August 13, 2026 at 2:29 PM CDT
Today's Outlook
Day
Overcast and warm, with a high of 76°F24°C. Light wind from the E around 5 mph7 km/h. 83% chance of light rain in the afternoon. Humid.
Night
Overcast, with a low around 72°F22°C. Light wind from the E around 4 mph7 km/h. 73% chance of light rain throughout the night.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Light Rain | High 76°F24°C | Low 72°F22°C | Precip 0.17 in4.2 mm83% | Cloud 97% | Wind E 5 mph7 km/h | Thursday: Overcast and warm, with a high of 76°F24°C. Light wind from the E around 5 mph7 km/h. 83% chance of light rain in the afternoon. Humid. Thursday Night: Overcast, with a low around 72°F22°C. Light wind from the E around 4 mph7 km/h. 73% chance of light rain throughout the night. | |
| Light Rain | High 76°F25°C | Low 70°F21°C | Precip 0.33 in8.5 mm66% | Cloud 95% | Wind ENE 7 mph11 km/h | Friday: Overcast and warm, with a high of 76°F25°C and morning low of 70°F21°C. Breezy from the ENE at 7 to 9 mph12 to 14 km/h. 66% chance of light rain throughout the day. Humid. Friday Night: Overcast, with a low around 70°F21°C. Breezy from the ENE at 6 to 7 mph10 to 11 km/h. 65% chance of light rain throughout the night. | |
| Light Rain | High 78°F26°C | Low 70°F21°C | Precip 0.38 in9.6 mm76% | Cloud 90% | Wind SE 5 mph8 km/h | Saturday: Overcast and warm, with a high of 78°F26°C and morning low of 71°F21°C. Light wind from the SSE around 6 mph9 km/h. 76% chance of light rain throughout the day. Heavy, humid air. Saturday Night: Overcast, with a low around 70°F21°C. Light wind from the ESE around 5 mph7 km/h. 44% chance of light rain throughout the night. | |
| Light Rain | High 83°F29°CFeels 88°F31°C | Low 73°F23°C | Precip 0.19 in4.8 mm40% | Cloud 82% | Wind WNW 7 mph12 km/h | Sunday: Overcast and warm, with a high of 83°F29°C and morning low of 73°F23°C. Breezy from the WNW at 8 to 9 mph13 to 14 km/h. 40% chance of light rain throughout the day. Heavy, humid air. Sunday Night: Mostly cloudy, with a low around 73°F23°C. Breezy from the WNW at 6 to 7 mph10 to 11 km/h. 38% chance of light rain throughout the night. | |
| Drizzle | High 78°F26°C | Low 66°F19°C | Precip 0.02 in0.5 mm11% | Cloud 53% | Wind N 5 mph8 km/h | Monday: Mostly cloudy and warm, with a high of 78°F26°C and morning low of 66°F19°C. Light wind from the N around 5 mph9 km/h. 11% chance of drizzle. Monday Night: Partly cloudy, with a low around 67°F20°C. Breezy from the N at 5 to 7 mph8 to 11 km/h. | |
| Drizzle | High 82°F28°C | Low 63°F17°C | Precip 0.02 in0.6 mm15% | Cloud 57% | Wind SW 7 mph11 km/h | Tuesday: Mostly cloudy and warm, with a high of 82°F28°C and morning low of 64°F18°C. Breezy from the SW at 7 to 10 mph12 to 15 km/h. 10% chance of drizzle in the afternoon. Tuesday Night: Mostly cloudy, with a low around 63°F17°C. Breezy from the SSW at 6 to 7 mph9 to 12 km/h. 15% chance of drizzle in the evening. | |
| Light Rain | High 78°F26°C | Low 69°F20°C | Precip 0.33 in8.3 mm53% | Cloud 72% | Wind WSW 8 mph13 km/h | Wednesday: Mostly cloudy and warm, with a high of 78°F26°C and morning low of 69°F20°C. Breezy from the W at 9 mph14 km/h. 53% chance of light rain throughout the day. Humid. Wednesday Night: Mostly cloudy, with a low around 69°F20°C. Breezy from the WSW at 8 mph13 km/h. 42% chance of light rain throughout the night. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| ThursdayAug 13 | 76°F24°C | 72°F22°C | 0.17 in4.2 mm· 83% | 97% | Light Rain | E 5 mph7 km/h | |
DayOvercast and warm, with a high of 76°F24°C. Light wind from the E around 5 mph7 km/h. 83% chance of light rain in the afternoon. Humid. NightOvercast, with a low around 72°F22°C. Light wind from the E around 4 mph7 km/h. 73% chance of light rain throughout the night. | |||||||
| FridayAug 14 | 76°F25°C | 70°F21°C | 0.33 in8.5 mm· 66% | 95% | Light Rain | ENE 7 mph11 km/h | |
DayOvercast and warm, with a high of 76°F25°C and morning low of 70°F21°C. Breezy from the ENE at 7 to 9 mph12 to 14 km/h. 66% chance of light rain throughout the day. Humid. NightOvercast, with a low around 70°F21°C. Breezy from the ENE at 6 to 7 mph10 to 11 km/h. 65% chance of light rain throughout the night. | |||||||
| SaturdayAug 15 | 78°F26°C | 70°F21°C | 0.38 in9.6 mm· 76% | 90% | Light Rain | SE 5 mph8 km/h | |
DayOvercast and warm, with a high of 78°F26°C and morning low of 71°F21°C. Light wind from the SSE around 6 mph9 km/h. 76% chance of light rain throughout the day. Heavy, humid air. NightOvercast, with a low around 70°F21°C. Light wind from the ESE around 5 mph7 km/h. 44% chance of light rain throughout the night. | |||||||
| SundayAug 16 | 83°F29°C Feels 88°F31°C | 73°F23°C | 0.19 in4.8 mm· 40% | 82% | Light Rain | WNW 7 mph12 km/h | |
DayOvercast and warm, with a high of 83°F29°C and morning low of 73°F23°C. Breezy from the WNW at 8 to 9 mph13 to 14 km/h. 40% chance of light rain throughout the day. Heavy, humid air. NightMostly cloudy, with a low around 73°F23°C. Breezy from the WNW at 6 to 7 mph10 to 11 km/h. 38% chance of light rain throughout the night. | |||||||
| MondayAug 17 | 78°F26°C | 66°F19°C | 0.02 in0.5 mm· 11% | 53% | Drizzle | N 5 mph8 km/h | |
DayMostly cloudy and warm, with a high of 78°F26°C and morning low of 66°F19°C. Light wind from the N around 5 mph9 km/h. 11% chance of drizzle. NightPartly cloudy, with a low around 67°F20°C. Breezy from the N at 5 to 7 mph8 to 11 km/h. | |||||||
| TuesdayAug 18 | 82°F28°C | 63°F17°C | 0.02 in0.6 mm· 15% | 57% | Drizzle | SW 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 82°F28°C and morning low of 64°F18°C. Breezy from the SW at 7 to 10 mph12 to 15 km/h. 10% chance of drizzle in the afternoon. NightMostly cloudy, with a low around 63°F17°C. Breezy from the SSW at 6 to 7 mph9 to 12 km/h. 15% chance of drizzle in the evening. | |||||||
| WednesdayAug 19 | 78°F26°C | 69°F20°C | 0.33 in8.3 mm· 53% | 72% | Light Rain | WSW 8 mph13 km/h | |
DayMostly cloudy and warm, with a high of 78°F26°C and morning low of 69°F20°C. Breezy from the W at 9 mph14 km/h. 53% chance of light rain throughout the day. Humid. NightMostly cloudy, with a low around 69°F20°C. Breezy from the WSW at 8 mph13 km/h. 42% chance of light rain throughout the night. | |||||||
| ThursdayAug 20 | 75°F24°C | 62°F17°C | 0.09 in2.4 mm· 16% | 50% | Showers | N 7 mph11 km/h | |
DayMostly cloudy and warm, with a high of 75°F24°C and morning low of 62°F17°C. Breezy from the N at 7 to 8 mph12 to 12 km/h. 14% chance of drizzle throughout the day. NightPartly cloudy, with a low around 63°F17°C. Breezy from the N at 6 to 7 mph10 to 12 km/h. 16% chance of showers throughout the night. | |||||||
| FridayAug 21 | 77°F25°C | 60°F16°C | 0.06 in1.4 mm· 14% | 44% | Drizzle | SSW 6 mph9 km/h | |
DayMostly cloudy and warm, with a high of 77°F25°C and morning low of 61°F16°C. Breezy from the SW at 6 to 7 mph10 to 11 km/h. 14% chance of drizzle throughout the day. NightPartly cloudy, with a low around 60°F16°C. Light wind from the S around 5 mph8 km/h. | |||||||
| SaturdayAug 22 | 79°F26°C | 63°F17°C | 0.09 in2.3 mm· 16% | 41% | Showers | WSW 5 mph9 km/h | |
DayPartly cloudy and warm, with a high of 79°F26°C and morning low of 63°F17°C. Light wind from the W around 6 mph10 km/h. 15% chance of showers throughout the day. NightPartly cloudy, with a low around 63°F17°C. Light wind from the SSW around 5 mph8 km/h. 16% chance of drizzle before dawn. | |||||||
| SundayAug 23 | 80°F27°C | 63°F17°C | 0.05 in1.3 mm· 12% | 40% | Drizzle | SSW 6 mph9 km/h | |
DayPartly cloudy and warm, with a high of 80°F27°C and morning low of 63°F17°C. Breezy from the SW at 6 to 7 mph10 to 11 km/h. 12% chance of drizzle throughout the day. NightPartly cloudy, with a low around 64°F18°C. Light wind from the SSW around 5 mph9 km/h. | |||||||
| MondayAug 24 | 82°F28°C | 64°F18°C | 0.06 in1.5 mm· 7% | 40% | Partly Cloudy | SSW 6 mph10 km/h | |
DayPartly cloudy and warm, with a high of 82°F28°C and morning low of 64°F18°C. Breezy from the SW at 7 to 8 mph11 to 12 km/h. NightPartly cloudy, with a low around 65°F18°C. Light wind from the SSW around 6 mph9 km/h. | |||||||
| TuesdayAug 25 | 82°F28°C | 65°F18°C | 0.05 in1.3 mm· 15% | 44% | Drizzle | SSW 7 mph10 km/h | |
DayPartly cloudy and warm, with a high of 82°F28°C and morning low of 65°F18°C. Breezy from the SW at 7 to 8 mph11 to 13 km/h. 15% chance of drizzle throughout the day. NightPartly cloudy, with a low around 66°F19°C. Light wind from the SSW around 6 mph10 km/h. | |||||||
| WednesdayAug 26 | 81°F27°C | 65°F19°C | 0.05 in1.2 mm· 10% | 46% | Drizzle | NNE 6 mph10 km/h | |
DayMostly cloudy and warm, with a high of 81°F27°C and morning low of 65°F19°C. Breezy from the NNW at 7 to 8 mph11 to 12 km/h. NightPartly cloudy, with a low around 66°F19°C. Light wind from the E around 6 mph10 km/h. 10% chance of drizzle throughout the night. | |||||||
| ThursdayAug 27 | 80°F27°C | 64°F18°C | 0.04 in0.9 mm· 9% | 45% | Partly Cloudy | ENE 6 mph10 km/h | |
DayMostly cloudy and warm, with a high of 80°F27°C and morning low of 64°F18°C. Breezy from the ENE at 7 mph11 km/h. NightPartly cloudy, with a low around 65°F18°C. Light wind from the ENE around 6 mph9 km/h. | |||||||
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Coordinates: 42.2411°N, 88.3162°W·Elevation: 279m·Timezone: America/Chicago·Population: 40,448