Weather Alert
Markham Weather Warning NWS WEATHER ALERT FOR THE MARKHAM, IL AREA - Issued: 301 PM CDT Sat Sep 5 2026 Markham Weather Warning

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Markham, IL Weather - Hour by Hour Forecast

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Markham, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Mostly Cloudy. Temperature is 79°F26°C, dew point 69°F21°C, humidity 72%. Wind direction is NNE at 13 mph21 km/h with visibility of 10 mi16 km. Barometric pressure is 29.97 in1015 mb.
Today - Mostly cloudy. Highs in the lower 80s. Northeast winds around 10 mph... Full Forecast
Tonight - Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 60s. Northeast winds 5 to 10 mph... Full Forecast

Markham Hourly Weather

24 Hour Forecast Scroll
Sat, Sep 05
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Markham, IL Hourly Weather - Mostly Cloudy - 3:00 PM Markham, IL Hourly Weather - Mostly Cloudy - 4:00 PM Markham, IL Hourly Weather - Mostly Cloudy - 5:00 PM Markham, IL Hourly Weather - Partly Cloudy - 6:00 PM Markham, IL Hourly Weather - Partly Cloudy - 7:00 PM Markham, IL Hourly Weather - Partly Cloudy - 8:00 PM Markham, IL Hourly Weather - Partly Cloudy - 9:00 PM Markham, IL Hourly Weather - Partly Cloudy - 10:00 PM Markham, IL Hourly Weather - Partly Cloudy - 11:00 PM Markham, IL Hourly Weather - Clear - 12:00 AM Markham, IL Hourly Weather - Clear - 1:00 AM Markham, IL Hourly Weather - Clear - 2:00 AM Markham, IL Hourly Weather - Clear - 3:00 AM Markham, IL Hourly Weather - Clear - 4:00 AM Markham, IL Hourly Weather - Clear - 5:00 AM Markham, IL Hourly Weather - Mostly Clear - 6:00 AM Markham, IL Hourly Weather - Mostly Clear - 7:00 AM Markham, IL Hourly Weather - Mostly Clear - 8:00 AM Markham, IL Hourly Weather - Mostly Clear - 9:00 AM Markham, IL Hourly Weather - Mostly Clear - 10:00 AM Markham, IL Hourly Weather - Mostly Clear - 11:00 AM Markham, IL Hourly Weather - Partly Cloudy - 12:00 PM Markham, IL Hourly Weather - Partly Cloudy - 1:00 PM Markham, IL Hourly Weather - Partly Cloudy - 2:00 PM
Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Clear Clear Clear Clear Clear Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy Partly Cloudy
81°F27°C 81°F27°C 80°F27°C 78°F26°C 77°F25°C 75°F24°C 74°F23°C 72°F22°C 71°F22°C 69°F21°C 68°F20°C 67°F19°C 66°F19°C 65°F18°C 64°F18°C 64°F18°C 63°F17°C 66°F19°C 69°F21°C 72°F22°C 74°F23°C 75°F24°C 77°F25°C 77°F25°C
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2% 2% 2% 2% 2% 2% 2% 2% 2% 2% 2% 0% 0% 0% 0% 0% 0% 2% 2% 2% 2% 2% 2% 0%
71°F22°C 70°F21°C 69°F21°C 69°F21°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 67°F19°C 67°F19°C 66°F19°C 65°F18°C 64°F18°C 63°F17°C 62°F17°C 62°F17°C 61°F16°C 61°F16°C 60°F16°C 60°F16°C 59°F15°C 59°F15°C 58°F14°C 58°F14°C
72% 69% 69% 74% 74% 79% 82% 87% 87% 93% 93% 93% 93% 93% 93% 93% 93% 84% 73% 66% 60% 58% 52% 52%
NE NE NE NE NE NE NE NE NE ENE ENE ENE ENE ENE ENE ENE ENE ENE ENE ENE ENE ENE ENE ENE
9 mph 9 mph 9 mph 9 mph 9 mph 9 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 2 mph 2 mph 2 mph 3 mph 3 mph 3 mph 6 mph 6 mph 6 mph 7 mph 7 mph 7 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 (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KIGQ model statistics.

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Prob Precip % = Probability of Precipitation.

Markham 36 Hour Forecast

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

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