Weather Alert
Cortland Weather Warning NWS WEATHER ALERT FOR THE CORTLAND, IL AREA - Issued: 339 AM CDT Mon Sep 14 2026 Cortland Weather Warning

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Cortland, IL Weather - Hour by Hour Forecast

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Cortland, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Fog. Temperature is 45°F7°C, dew point 45°F7°C, humidity 100%. Wind direction is NE at 5 mph8 km/h with visibility of 1/2 mi2 km. Barometric pressure is 30.25 in1024 mb.
Morning - Mostly clear. Patchy fog. Temperatures in the upper 40s. Light and variable winds... Full Forecast
Today - Partly cloudy in the morning, then becoming mostly cloudy. Patchy fog early in the morning. A slight chance of showers late. Highs.. Full Forecast

Cortland Hourly Weather

24 Hour Forecast Scroll
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Cortland, IL Hourly Weather - Clear - 5:00 AM Cortland, IL Hourly Weather - Clear - 6:00 AM Cortland, IL Hourly Weather - Clear - 7:00 AM Cortland, IL Hourly Weather - Clear - 8:00 AM Cortland, IL Hourly Weather - Clear - 9:00 AM Cortland, IL Hourly Weather - Clear - 10:00 AM Cortland, IL Hourly Weather - Clear - 11:00 AM Cortland, IL Hourly Weather - Mostly Cloudy - 12:00 PM Cortland, IL Hourly Weather - Mostly Cloudy - 1:00 PM Cortland, IL Hourly Weather - Mostly Cloudy - 2:00 PM Cortland, IL Hourly Weather - Mostly Cloudy - 3:00 PM Cortland, IL Hourly Weather - Mostly Cloudy - 4:00 PM Cortland, IL Hourly Weather - Mostly Cloudy - 5:00 PM Cortland, IL Hourly Weather - Partly Cloudy - 6:00 PM Cortland, IL Hourly Weather - Partly Cloudy - 7:00 PM Cortland, IL Hourly Weather - Partly Cloudy - 8:00 PM Cortland, IL Hourly Weather - Partly Cloudy - 9:00 PM Cortland, IL Hourly Weather - Partly Cloudy - 10:00 PM Cortland, IL Hourly Weather - Partly Cloudy - 11:00 PM Cortland, IL Hourly Weather - Cloudy - 12:00 AM Cortland, IL Hourly Weather - Cloudy - 1:00 AM Cortland, IL Hourly Weather - Cloudy - 2:00 AM Cortland, IL Hourly Weather - Cloudy - 3:00 AM Cortland, IL Hourly Weather - Cloudy - 4:00 AM
Clear Clear Clear Clear Clear Clear Clear Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
53°F12°C 52°F11°C 52°F11°C 57°F14°C 61°F16°C 66°F19°C 68°F20°C 69°F21°C 71°F22°C 71°F22°C 72°F22°C 72°F22°C 70°F21°C 68°F20°C 66°F19°C 65°F18°C 63°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C
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49°F9°C 49°F9°C 49°F9°C 50°F10°C 51°F11°C 52°F11°C 52°F11°C 51°F11°C 51°F11°C 51°F11°C 51°F11°C 51°F11°C 51°F11°C 52°F11°C 52°F11°C 53°F12°C 53°F12°C 54°F12°C 55°F13°C 55°F13°C 56°F13°C 57°F14°C 57°F14°C 58°F14°C
86% 89% 89% 77% 70% 61% 57% 53% 49% 49% 48% 48% 51% 57% 61% 65% 70% 75% 78% 78% 81% 84% 84% 87%
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Hour (CDT)
Weather
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POP = Probability of Precipitation. ** Indicates missing data/values from KDKB model statistics.

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Prob Precip % = Probability of Precipitation.

Cortland 36 Hour Forecast

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

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