Weather Alert
Chatham Weather Warning NWS WEATHER ALERT FOR THE CHATHAM, IL AREA - Issued: 1148 AM CDT Tue Sep 15 2026 Chatham Weather Warning

World > North America > United States > Illinois > Chatham   Chatham, Illinois Weather Village of Chatham, Illinois

Chatham, IL Weather - Hour by Hour Forecast

Feedback E-mail the Weather

Quick Clicks

Chatham, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Mostly Cloudy. Temperature is 79°F26°C, dew point 70°F21°C, humidity 73%. Wind direction is WSW at 6 mph10 km/h with visibility of 10 mi16 km. Barometric pressure is 30.06 in1017 mb.
Rest of Today - Mostly cloudy. Scattered showers in the late morning and early afternoon. Isolated thunderstorms. Isolated showers late. Highs aro.. Full Forecast
Tonight - Mostly cloudy. A chance of thunderstorms early in the evening. A chance of showers. A slight chance of thunderstorms in the late e.. Full Forecast

Chatham Hourly Weather

24 Hour Forecast Scroll
Tue, Sep 15
2:00 pm
Tue, Sep 15
3:00 pm
Tue, Sep 15
4:00 pm
Tue, Sep 15
5:00 pm
Tue, Sep 15
6:00 pm
Tue, Sep 15
7:00 pm
Tue, Sep 15
8:00 pm
Tue, Sep 15
9:00 pm
Tue, Sep 15
10:00 pm
Tue, Sep 15
11:00 pm
Wed, Sep 16
Midnight
Wed, Sep 16
1:00 am
Wed, Sep 16
2:00 am
Wed, Sep 16
3:00 am
Wed, Sep 16
4:00 am
Wed, Sep 16
5:00 am
Wed, Sep 16
6:00 am
Wed, Sep 16
7:00 am
Wed, Sep 16
8:00 am
Wed, Sep 16
9:00 am
Wed, Sep 16
10:00 am
Wed, Sep 16
11:00 am
Wed, Sep 16
Noon
Wed, Sep 16
1:00 pm
Chatham, IL Hourly Weather - Cloudy - 2:00 PM Chatham, IL Hourly Weather - Mostly Cloudy - 3:00 PM Chatham, IL Hourly Weather - Mostly Cloudy - 4:00 PM Chatham, IL Hourly Weather - Mostly Cloudy - 5:00 PM Chatham, IL Hourly Weather - Mostly Cloudy - 6:00 PM Chatham, IL Hourly Weather - Mostly Cloudy - 7:00 PM Chatham, IL Hourly Weather - Mostly Cloudy - 8:00 PM Chatham, IL Hourly Weather - Cloudy - 9:00 PM Chatham, IL Hourly Weather - Cloudy - 10:00 PM Chatham, IL Hourly Weather - Cloudy - 11:00 PM Chatham, IL Hourly Weather - Cloudy - 12:00 AM Chatham, IL Hourly Weather - Cloudy - 1:00 AM Chatham, IL Hourly Weather - Cloudy - 2:00 AM Chatham, IL Hourly Weather - Cloudy - 3:00 AM Chatham, IL Hourly Weather - Cloudy - 4:00 AM Chatham, IL Hourly Weather - Cloudy - 5:00 AM Chatham, IL Hourly Weather - Cloudy - 6:00 AM Chatham, IL Hourly Weather - Cloudy - 7:00 AM Chatham, IL Hourly Weather - Cloudy - 8:00 AM Chatham, IL Hourly Weather - Cloudy - 9:00 AM Chatham, IL Hourly Weather - Cloudy - 10:00 AM Chatham, IL Hourly Weather - Cloudy - 11:00 AM Chatham, IL Hourly Weather - Cloudy - 12:00 PM Chatham, IL Hourly Weather - Cloudy - 1:00 PM
Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
79°F26°C 80°F27°C 81°F27°C 80°F27°C 79°F26°C 78°F26°C 77°F25°C 76°F24°C 75°F24°C 75°F24°C 74°F23°C 74°F23°C 73°F23°C 72°F22°C 71°F22°C 70°F21°C 70°F21°C 69°F21°C 70°F21°C 70°F21°C 71°F22°C 72°F22°C 74°F23°C 75°F24°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain
33% 33% 33% 33% 33% 33% 45% 45% 45% 45% 45% 45% 38% 38% 38% 38% 38% 38% 25% 25% 25% 25% 25% 25%
69°F21°C 68°F20°C 68°F20°C 68°F20°C 67°F19°C 67°F19°C 67°F19°C 66°F19°C 66°F19°C 66°F19°C 67°F19°C 67°F19°C 66°F19°C 66°F19°C 65°F18°C 65°F18°C 64°F18°C 64°F18°C 63°F17°C 63°F17°C 62°F17°C 62°F17°C 61°F16°C 61°F16°C
72% 67% 65% 67% 67% 69% 71% 71% 74% 74% 79% 79% 79% 81% 81% 84% 81% 84% 79% 79% 73% 71% 64% 62%
SW SSW SSW S SE ENE NE NE N N N N N NNE NNE NE NE NE NE NE NE NE NE NE
9 mph 8 mph 8 mph 8 mph 6 mph 6 mph 6 mph 5 mph 5 mph 5 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 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
Humidity
Wind Direction
Wind Speed
Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KMDW model statistics.

Trending Headlines

Trending Entertainment Headlines

Chatham Radar Loop

Use the map search tool if you want to place a location marker on the radar map...
Prob Precip % = Probability of Precipitation.

Chatham 36 Hour Forecast

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

E-mail the Chatham Weather Forecast

Voice your opinion or tell us about page issues...

Chatham IL Weather - 3:00 pm

What are people saying?

Contact Us