Weather Alert
McHenry Weather Warning NWS WEATHER ALERT FOR THE MCHENRY, IL AREA - Issued: 137 PM CST Mon Mar 2 2026 McHenry Weather Warning

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McHenry, IL Weather - Hour by Hour Forecast

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McHenry, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 34°F1°C, dew point 26°F-3°C, humidity 72%. Wind direction is ESE at 3 mph5 km/h with visibility of 10 mi16 km. Barometric pressure is 30.24 in1024 mb.
Rest of Tonight - Mostly cloudy. A slight chance of freezing rain late. Near steady temperature in the lower 30s. East winds around 5 mph. Chance of.. Full Forecast
Tuesday - Mostly cloudy. A slight chance of freezing rain early in the morning. A slight chance of rain. Highs in the mid 40s. East winds ar.. Full Forecast

McHenry Hourly Weather

24 Hour Forecast Scroll
Tue, Mar 03
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McHenry, IL Hourly Weather - Cloudy - 12:00 AM McHenry, IL Hourly Weather - Cloudy - 1:00 AM McHenry, IL Hourly Weather - Cloudy - 2:00 AM McHenry, IL Hourly Weather - Cloudy - 3:00 AM McHenry, IL Hourly Weather - Cloudy - 4:00 AM McHenry, IL Hourly Weather - Cloudy - 5:00 AM McHenry, IL Hourly Weather - Cloudy - 6:00 AM McHenry, IL Hourly Weather - Cloudy - 7:00 AM McHenry, IL Hourly Weather - Cloudy - 8:00 AM McHenry, IL Hourly Weather - Cloudy - 9:00 AM McHenry, IL Hourly Weather - Cloudy - 10:00 AM McHenry, IL Hourly Weather - Cloudy - 11:00 AM McHenry, IL Hourly Weather - Cloudy - 12:00 PM McHenry, IL Hourly Weather - Cloudy - 1:00 PM McHenry, IL Hourly Weather - Cloudy - 2:00 PM McHenry, IL Hourly Weather - Cloudy - 3:00 PM McHenry, IL Hourly Weather - Cloudy - 4:00 PM McHenry, IL Hourly Weather - Cloudy - 5:00 PM McHenry, IL Hourly Weather - Cloudy - 6:00 PM McHenry, IL Hourly Weather - Cloudy - 7:00 PM McHenry, IL Hourly Weather - Mostly Cloudy - 8:00 PM McHenry, IL Hourly Weather - Mostly Cloudy - 9:00 PM McHenry, IL Hourly Weather - Mostly Cloudy - 10:00 PM McHenry, IL Hourly Weather - Partly Cloudy - 11:00 PM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy
31°F-1°C 31°F-1°C 32°F0°C 32°F0°C 32°F0°C 33°F1°C 33°F1°C 35°F2°C 36°F2°C 38°F3°C 39°F4°C 39°F4°C 40°F4°C 40°F4°C 40°F4°C 40°F4°C 39°F4°C 38°F3°C 37°F3°C 36°F2°C 35°F2°C 34°F1°C 33°F1°C 33°F1°C
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0% 0% 0% 0% 0% 0% 0% 12% 12% 12% 12% 12% 12% 9% 9% 9% 9% 9% 9% 8% 8% 8% 8% 8%
23°F-5°C 24°F-4°C 24°F-4°C 25°F-4°C 26°F-3°C 26°F-3°C 27°F-3°C 28°F-2°C 29°F-2°C 30°F-1°C 31°F-1°C 32°F0°C 33°F1°C 33°F1°C 34°F1°C 34°F1°C 34°F1°C 34°F1°C 34°F1°C 33°F1°C 33°F1°C 32°F0°C 32°F0°C 31°F-1°C
72% 75% 72% 75% 78% 75% 78% 75% 75% 73% 73% 76% 76% 76% 79% 79% 82% 85% 89% 89% 92% 92% 96% 92%
SSE SSE SE SE SE SE ESE SE SE SE SE SSE SSE ESE E NE NE NE ENE ENE ENE E ENE NE
5 mph 5 mph 5 mph 5 mph 5 mph 4 mph 4 mph 4 mph 6 mph 6 mph 6 mph 4 mph 4 mph 4 mph 3 mph 3 mph 3 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 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 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (CST)
Weather
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POP = Probability of Precipitation. ** Indicates missing data/values from KUGN model statistics.

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Prob Precip % = Probability of Precipitation.

McHenry 36 Hour Forecast

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

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