Weather Alert
Chapman Weather Warning NWS WEATHER ALERT FOR THE CHAPMAN, IL AREA - Issued: 245 PM CDT Thu Sep 3 2026 Chapman Weather Warning

World > North America > United States > Illinois > Chapman  

Chapman, IL Weather - Hour by Hour Forecast

Feedback E-mail the Weather

Quick Clicks

Chapman, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 85°F29°C, dew point 72°F22°C, humidity 66%. Wind direction is N/A at N/A mph0 km/h with visibility of 10 mi16 km. Barometric pressure is 29.97 in1014 mb.
Tonight - Mostly clear. Lows in the mid 70s. South winds around 5 mph. Heat index values up to 101 early this evening... Full Forecast
Friday - Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 105... Full Forecast

Chapman Hourly Weather

24 Hour Forecast Scroll
Thu, Sep 03
11:00 pm
Fri, Sep 04
Midnight
Fri, Sep 04
1:00 am
Fri, Sep 04
2:00 am
Fri, Sep 04
3:00 am
Fri, Sep 04
4:00 am
Fri, Sep 04
5:00 am
Fri, Sep 04
6:00 am
Fri, Sep 04
7:00 am
Fri, Sep 04
8:00 am
Fri, Sep 04
9:00 am
Fri, Sep 04
10:00 am
Fri, Sep 04
11:00 am
Fri, Sep 04
Noon
Fri, Sep 04
1:00 pm
Fri, Sep 04
2:00 pm
Fri, Sep 04
3:00 pm
Fri, Sep 04
4:00 pm
Fri, Sep 04
5:00 pm
Fri, Sep 04
6:00 pm
Fri, Sep 04
7:00 pm
Fri, Sep 04
8:00 pm
Fri, Sep 04
9:00 pm
Fri, Sep 04
10:00 pm
Chapman, IL Hourly Weather - Mostly Clear - 11:00 PM Chapman, IL Hourly Weather - Mostly Clear - 12:00 AM Chapman, IL Hourly Weather - Mostly Clear - 1:00 AM Chapman, IL Hourly Weather - Mostly Clear - 2:00 AM Chapman, IL Hourly Weather - Partly Cloudy - 3:00 AM Chapman, IL Hourly Weather - Partly Cloudy - 4:00 AM Chapman, IL Hourly Weather - Partly Cloudy - 5:00 AM Chapman, IL Hourly Weather - Mostly Cloudy - 6:00 AM Chapman, IL Hourly Weather - Mostly Cloudy - 7:00 AM Chapman, IL Hourly Weather - Mostly Cloudy - 8:00 AM Chapman, IL Hourly Weather - Partly Cloudy - 9:00 AM Chapman, IL Hourly Weather - Partly Cloudy - 10:00 AM Chapman, IL Hourly Weather - Partly Cloudy - 11:00 AM Chapman, IL Hourly Weather - Partly Cloudy - 12:00 PM Chapman, IL Hourly Weather - Partly Cloudy - 1:00 PM Chapman, IL Hourly Weather - Partly Cloudy - 2:00 PM Chapman, IL Hourly Weather - Mostly Clear - 3:00 PM Chapman, IL Hourly Weather - Mostly Clear - 4:00 PM Chapman, IL Hourly Weather - Mostly Clear - 5:00 PM Chapman, IL Hourly Weather - Partly Cloudy - 6:00 PM Chapman, IL Hourly Weather - Partly Cloudy - 7:00 PM Chapman, IL Hourly Weather - Partly Cloudy - 8:00 PM Chapman, IL Hourly Weather - Clear - 9:00 PM Chapman, IL Hourly Weather - Clear - 10:00 PM
Mostly Clear Mostly Clear Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Clear Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy Partly Cloudy Clear Clear
83°F28°C 81°F27°C 79°F26°C 78°F26°C 77°F25°C 76°F24°C 76°F24°C 77°F25°C 77°F25°C 82°F28°C 86°F30°C 91°F33°C 93°F34°C 96°F36°C 98°F37°C 99°F37°C 101°F38°C 102°F39°C 99°F37°C 95°F35°C 92°F33°C 89°F32°C 85°F29°C 82°F28°C
- - - - - - - - - - - - - - - - - - - - - - - -
6% 6% 6% 5% 5% 5% 5% 5% 5% 1% 1% 1% 1% 1% 1% 4% 4% 4% 4% 4% 4% 5% 5% 5%
71°F22°C 71°F22°C 71°F22°C 71°F22°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C 71°F22°C 71°F22°C 72°F22°C 71°F22°C 69°F21°C 68°F20°C 67°F19°C 66°F19°C 65°F18°C 67°F19°C 68°F20°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C
67% 72% 77% 79% 79% 82% 82% 79% 79% 69% 61% 54% 49% 42% 38% 36% 32% 30% 36% 42% 49% 54% 61% 67%
S S S SSE SSE SW SW SW SW SSW SSW W W W WNW WNW NW NW NW NNW N SSW SE NNE
3 mph 3 mph 3 mph 3 mph 2 mph 2 mph 2 mph 3 mph 3 mph 3 mph 5 mph 5 mph 5 mph 6 mph 6 mph 6 mph 7 mph 7 mph 7 mph 3 mph 3 mph 3 mph 2 mph 2 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 KSLO model statistics.

Trending Headlines

Trending Entertainment Headlines

Chapman Radar Loop

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

Chapman 36 Hour Forecast

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

E-mail the Chapman Weather Forecast

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

Chapman IL Weather - 12:17 am

What are people saying?

Contact Us