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Crystal Lake Weather Warning NWS WEATHER ALERT FOR THE CRYSTAL LAKE, IL AREA - Issued: 430 AM CDT Sun Aug 9 2026 Crystal Lake Weather Warning

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Crystal Lake, IL Weather - Hour by Hour Forecast

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Crystal Lake, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Partly Cloudy. Temperature is 74°F23°C, dew point 66°F19°C, humidity 76%. Wind direction is S at 12 mph19 km/h with visibility of 10.00 mi16 km. Barometric pressure is 30 in1016 mb.
Today - Mostly cloudy. A chance of showers and thunderstorms late in the morning. Showers and thunderstorms likely early in the afternoon,.. Full Forecast
Tonight - Mostly cloudy. Showers and thunderstorms likely in the evening, then a chance of showers and thunderstorms after midnight. A sligh.. Full Forecast

Crystal Lake Hourly Weather

24 Hour Forecast Scroll
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Crystal Lake, IL Hourly Weather - Mostly Cloudy - 9:00 AM Crystal Lake, IL Hourly Weather - Mostly Cloudy - 10:00 AM Crystal Lake, IL Hourly Weather - Mostly Cloudy - 11:00 AM Crystal Lake, IL Hourly Weather - Cloudy - 12:00 PM Crystal Lake, IL Hourly Weather - Cloudy - 1:00 PM Crystal Lake, IL Hourly Weather - Cloudy - 2:00 PM Crystal Lake, IL Hourly Weather - Cloudy - 3:00 PM Crystal Lake, IL Hourly Weather - Cloudy - 4:00 PM Crystal Lake, IL Hourly Weather - Cloudy - 5:00 PM Crystal Lake, IL Hourly Weather - Cloudy - 6:00 PM Crystal Lake, IL Hourly Weather - Cloudy - 7:00 PM Crystal Lake, IL Hourly Weather - Cloudy - 8:00 PM Crystal Lake, IL Hourly Weather - Cloudy - 9:00 PM Crystal Lake, IL Hourly Weather - Cloudy - 10:00 PM Crystal Lake, IL Hourly Weather - Cloudy - 11:00 PM Crystal Lake, IL Hourly Weather - Mostly Cloudy - 12:00 AM Crystal Lake, IL Hourly Weather - Mostly Cloudy - 1:00 AM Crystal Lake, IL Hourly Weather - Mostly Cloudy - 2:00 AM Crystal Lake, IL Hourly Weather - Cloudy - 3:00 AM Crystal Lake, IL Hourly Weather - Cloudy - 4:00 AM Crystal Lake, IL Hourly Weather - Cloudy - 5:00 AM Crystal Lake, IL Hourly Weather - Cloudy - 6:00 AM Crystal Lake, IL Hourly Weather - Cloudy - 7:00 AM Crystal Lake, IL Hourly Weather - Cloudy - 8:00 AM
Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
75°F24°C 78°F26°C 80°F27°C 82°F28°C 84°F29°C 85°F29°C 86°F30°C 87°F31°C 86°F30°C 86°F30°C 85°F29°C 83°F28°C 82°F28°C 80°F27°C 79°F26°C 78°F26°C 77°F25°C 77°F25°C 76°F24°C 76°F24°C 76°F24°C 76°F24°C 76°F24°C 78°F26°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain -
27% 27% 27% 27% 27% 41% 41% 41% 41% 41% 41% 56% 56% 56% 56% 56% 56% 40% 40% 40% 40% 40% 40% 13%
65°F18°C 65°F18°C 66°F19°C 66°F19°C 67°F19°C 67°F19°C 68°F20°C 68°F20°C 68°F20°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 69°F21°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C
71% 64% 62% 59% 57% 55% 55% 53% 55% 57% 59% 63% 65% 69% 72% 77% 79% 79% 82% 82% 82% 82% 82% 77%
S S SSE SSE SW S S SSE S S S S S S S SSE SW SW SW SW SW SSW SSW WNW
7 mph 7 mph 7 mph 7 mph 7 mph 7 mph 9 mph 9 mph 9 mph 9 mph 9 mph 9 mph 10 mph 10 mph 10 mph 7 mph 7 mph 7 mph 5 mph 5 mph 5 mph 3 mph 3 mph 3 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 6 mi10 km 6 mi10 km 5 mi8 km 6 mi10 km
Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KPWK model statistics.

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Prob Precip % = Probability of Precipitation.

Crystal Lake 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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