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Johnson Lake Weather Warning NWS WEATHER ALERT FOR THE JOHNSON LAKE, IL AREA - Issued: 231 PM CDT Wed Oct 7 2026 Johnson Lake Weather Warning

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Johnson Lake, IL Weather - Hour by Hour Forecast

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Johnson Lake, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 58°F14°C, dew point 46°F8°C, humidity 64%. Wind direction is WSW at 5 mph8 km/h with visibility of 10 mi16 km. Barometric pressure is 29.98 in1015 mb.
Tonight - Mostly clear. Lows around 50. Northwest winds 5 to 10 mph... Full Forecast
Thursday - Sunny. Highs in the mid 70s. Northwest winds around 5 mph... Full Forecast

Johnson Lake Hourly Weather

24 Hour Forecast Scroll
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Johnson Lake, IL Hourly Weather - Partly Cloudy - 12:00 AM Johnson Lake, IL Hourly Weather - Partly Cloudy - 1:00 AM Johnson Lake, IL Hourly Weather - Partly Cloudy - 2:00 AM Johnson Lake, IL Hourly Weather - Cloudy - 3:00 AM Johnson Lake, IL Hourly Weather - Cloudy - 4:00 AM Johnson Lake, IL Hourly Weather - Cloudy - 5:00 AM Johnson Lake, IL Hourly Weather - Cloudy - 6:00 AM Johnson Lake, IL Hourly Weather - Cloudy - 7:00 AM Johnson Lake, IL Hourly Weather - Cloudy - 8:00 AM Johnson Lake, IL Hourly Weather - Mostly Cloudy - 9:00 AM Johnson Lake, IL Hourly Weather - Mostly Cloudy - 10:00 AM Johnson Lake, IL Hourly Weather - Mostly Cloudy - 11:00 AM Johnson Lake, IL Hourly Weather - Partly Cloudy - 12:00 PM Johnson Lake, IL Hourly Weather - Partly Cloudy - 1:00 PM Johnson Lake, IL Hourly Weather - Partly Cloudy - 2:00 PM Johnson Lake, IL Hourly Weather - Clear - 3:00 PM Johnson Lake, IL Hourly Weather - Clear - 4:00 PM Johnson Lake, IL Hourly Weather - Clear - 5:00 PM Johnson Lake, IL Hourly Weather - Clear - 6:00 PM Johnson Lake, IL Hourly Weather - Clear - 7:00 PM Johnson Lake, IL Hourly Weather - Clear - 8:00 PM Johnson Lake, IL Hourly Weather - Clear - 9:00 PM Johnson Lake, IL Hourly Weather - Clear - 10:00 PM Johnson Lake, IL Hourly Weather - Clear - 11:00 PM
Partly Cloudy Partly Cloudy Partly Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Clear Clear Clear Clear Clear Clear Clear Clear Clear
55°F13°C 54°F12°C 53°F12°C 53°F12°C 52°F11°C 52°F11°C 52°F11°C 52°F11°C 56°F13°C 59°F15°C 63°F17°C 67°F19°C 71°F22°C 75°F24°C 76°F24°C 77°F25°C 78°F26°C 75°F24°C 73°F23°C 70°F21°C 68°F20°C 65°F18°C 63°F17°C 62°F17°C
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0% 0% 12% 12% 12% 12% 12% 12% 29% 29% 29% 29% 29% 29% 14% 14% 14% 14% 14% 14% 3% 3% 3% 3%
48°F9°C 48°F9°C 48°F9°C 48°F9°C 48°F9°C 48°F9°C 48°F9°C 48°F9°C 50°F10°C 52°F11°C 54°F12°C 55°F13°C 56°F13°C 57°F14°C 57°F14°C 57°F14°C 57°F14°C 57°F14°C 58°F14°C 58°F14°C 57°F14°C 57°F14°C 56°F13°C 55°F13°C
77% 80% 83% 83% 86% 86% 86% 86% 80% 78% 72% 65% 59% 54% 52% 50% 49% 54% 59% 66% 68% 75% 78% 78%
E E E E E E E E E ESE ESE SE SE SSE SSE SE SE SE ESE E ESE ESE SE SE
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Hour (CDT)
Weather
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POP = Probability of Precipitation. ** Indicates missing data/values from KSQI model statistics.

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Prob Precip % = Probability of Precipitation.

Johnson Lake 36 Hour Forecast

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

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