Weather Alert
Hammond Weather Warning NWS WEATHER ALERT FOR THE HAMMOND, IL AREA - Issued: 229 PM CDT Thu Sep 17 2026 Hammond Weather Warning

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Hammond, IL Weather - Hour by Hour Forecast

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Hammond, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Overcast. Temperature is 77°F25°C, dew point 74°F23°C, humidity 90%. Wind direction is NE at 8 mph13 km/h with visibility of 10 mi16 km. Barometric pressure is 30.18 in1022 mb.
Tonight - Mostly clear this evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms. Lows around 70. Northwest wi.. Full Forecast
Friday - Partly sunny with a 20% chance of showers. Humid with highs in the mid 80s. Northeast winds 5 to 10 mph... Full Forecast

Hammond Hourly Weather

24 Hour Forecast Scroll
Fri, Sep 18
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Midnight
Hammond, IL Hourly Weather - Mostly Cloudy - 1:00 AM Hammond, IL Hourly Weather - Mostly Cloudy - 2:00 AM Hammond, IL Hourly Weather - Cloudy - 3:00 AM Hammond, IL Hourly Weather - Cloudy - 4:00 AM Hammond, IL Hourly Weather - Cloudy - 5:00 AM Hammond, IL Hourly Weather - Cloudy - 6:00 AM Hammond, IL Hourly Weather - Cloudy - 7:00 AM Hammond, IL Hourly Weather - Cloudy - 8:00 AM Hammond, IL Hourly Weather - Cloudy - 9:00 AM Hammond, IL Hourly Weather - Cloudy - 10:00 AM Hammond, IL Hourly Weather - Cloudy - 11:00 AM Hammond, IL Hourly Weather - Cloudy - 12:00 PM Hammond, IL Hourly Weather - Cloudy - 1:00 PM Hammond, IL Hourly Weather - Cloudy - 2:00 PM Hammond, IL Hourly Weather - Mostly Cloudy - 3:00 PM Hammond, IL Hourly Weather - Mostly Cloudy - 4:00 PM Hammond, IL Hourly Weather - Mostly Cloudy - 5:00 PM Hammond, IL Hourly Weather - Partly Cloudy - 6:00 PM Hammond, IL Hourly Weather - Partly Cloudy - 7:00 PM Hammond, IL Hourly Weather - Partly Cloudy - 8:00 PM Hammond, IL Hourly Weather - Partly Cloudy - 9:00 PM Hammond, IL Hourly Weather - Partly Cloudy - 10:00 PM Hammond, IL Hourly Weather - Partly Cloudy - 11:00 PM Hammond, IL Hourly Weather - Mostly Cloudy - 12:00 AM
Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy
74°F23°C 73°F23°C 72°F22°C 71°F22°C 70°F21°C 70°F21°C 69°F21°C 71°F22°C 74°F23°C 76°F24°C 78°F26°C 80°F27°C 82°F28°C 83°F28°C 83°F28°C 84°F29°C 82°F28°C 81°F27°C 79°F26°C 77°F25°C 75°F24°C 73°F23°C 72°F22°C 71°F22°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain - - - - - - - - - - -
40% 40% 40% 40% 40% 40% 40% 32% 32% 32% 32% 32% 32% 20% 20% 20% 20% 20% 20% 14% 14% 14% 14% 14%
70°F21°C 70°F21°C 69°F21°C 69°F21°C 68°F20°C 68°F20°C 67°F19°C 68°F20°C 69°F21°C 70°F21°C 70°F21°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 70°F21°C 70°F21°C 70°F21°C 69°F21°C
87% 90% 90% 93% 93% 93% 93% 90% 84% 82% 77% 74% 69% 67% 67% 65% 69% 72% 77% 82% 84% 90% 93% 93%
NE NE NE NE NE NE NE ENE ENE ENE ENE ENE NE NE ENE ENE ENE ENE ENE ENE ENE E E E
6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 9 mph 9 mph 9 mph 6 mph 6 mph 6 mph 8 mph 8 mph 8 mph 6 mph 6 mph 6 mph 10 mph 10 mph 10 mph 8 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 6 mi10 km 6 mi10 km 5 mi8 km 6 mi10 km 6 mi10 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
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POP
Dewpoint
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POP = Probability of Precipitation. ** Indicates missing data/values from KDEC model statistics.

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Prob Precip % = Probability of Precipitation.

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

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