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Calhoun IL Weather - Clear - 85°F
Clear
85°F
Updated 8:45 am
Feels Like 86°F
Humidity 65%
Wind SW 5 mph
Barometer  30.04 in
Dew Point 72°F
Calhoun IL Weather - Clear - 29°C
Clear
29°C
Updated 8:45 am
Feels Like 30°C
Humidity 65%
Wind SW 8 km/h
Barometer  101.7 kPa
Dew Point 22°C
Calhoun, IL Weather and Current Conditionscalhoun il weather forecast

Calhoun, IL Weather Forecast

Calhoun Illinois WeatherCalhoun, Illinois Weather Weather Forecast
14 day API forecast for Calhoun, Illinois. Note. The 7-day weather forecast for Calhoun, IL is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
Calhoun, IL Weather Forecast Dated: 845 AM Thu Sep 03 2026
Expect a hot stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate. Isolated storms at times.

Thursday, September 3, 2026

Mid-Morning
Calhoun Weather - 2026-09-03 - Morning - Sunny
87°F 31°C
Sunny
Mid-Afternoon
Calhoun Weather - 2026-09-03 - Afternoon - Overcast
96°F 36°C
Overcast
Early-Evening
Calhoun Weather - 2026-09-03 - Evening - Sunny
89°F 32°C
Sunny
Sizzling hot near 96°F 36°C with a heat index reaching 99°F 37°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds turning from the WSW to the ESE at 7 mph 11 km/h.

Friday, September 4, 2026

Mid-Morning
Calhoun Weather - 2026-09-04 - Morning - Sunny
88°F 31°C
Sunny
Mid-Afternoon
Calhoun Weather - 2026-09-04 - Afternoon - Partly Cloudy
103°F 39°C
Partly Cloudy
Early-Evening
Calhoun Weather - 2026-09-04 - Evening - Sunny
91°F 33°C
Sunny
Sweltering heat reaching 103°F 39°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure.

Saturday, September 5, 2026

Mid-Morning
Calhoun Weather - 2026-09-05 - Morning - Sunny
81°F 27°C
Sunny
Mid-Afternoon
Calhoun Weather - 2026-09-05 - Afternoon - Sunny
101°F 38°C
Sunny
Early-Evening
Calhoun Weather - 2026-09-05 - Evening - Nearby Thunderstorms
85°F 30°C
Nearby Thunderstorms
Dangerously hot with a high of 101°F 38°C (heat index near 104°F 40°C), heavy thunderstorms conditions at times, with steady humidity and steady pressure. Winds building from E at 3 mph 4 km/h to SSE at 12 mph 19 km/h.

Sunday, September 6, 2026

Mid-Morning
Calhoun Weather - 2026-09-06 - Morning - Cloudy
74°F 23°C
Cloudy
Mid-Afternoon
Calhoun Weather - 2026-09-06 - Afternoon - Partly Cloudy
92°F 33°C
Partly Cloudy
Early-Evening
Calhoun Weather - 2026-09-06 - Evening - Sunny
83°F 28°C
Sunny
Hot temperatures near 92°F 33°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds moving from the E to the NE at 10 mph 16 km/h.

Monday, September 7, 2026

Mid-Morning
Calhoun Weather - 2026-09-07 - Morning - Sunny
73°F 23°C
Sunny
Mid-Afternoon
Calhoun Weather - 2026-09-07 - Afternoon - Overcast
95°F 35°C
Overcast
Early-Evening
Calhoun Weather - 2026-09-07 - Evening - Overcast
88°F 32°C
Overcast
Very hot with a high of 95°F 35°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds swinging from the ESE to the SE at 7 mph 11 km/h.

Tuesday, September 8, 2026

Mid-Morning
Calhoun Weather - 2026-09-08 - Morning - Cloudy
84°F 29°C
Cloudy
Mid-Afternoon
Calhoun Weather - 2026-09-08 - Afternoon - Partly Cloudy
98°F 37°C
Partly Cloudy
Early-Evening
Calhoun Weather - 2026-09-08 - Evening - Overcast
92°F 34°C
Overcast
Very hot with a high of 98°F 37°C, feeling closer to 101°F 38°C in the humidity, cloudy through the afternoon, turning overcast this evening, with lower humidity and steady pressure. Winds shifting from the SSW to the SSE at 12 mph 19 km/h. Gusts up to 24 mph 38 km/h.

Wednesday, September 9, 2026

Mid-Morning
Calhoun Weather - 2026-09-09 - Morning - Sunny
85°F 30°C
Sunny
Mid-Afternoon
Calhoun Weather - 2026-09-09 - Afternoon - Sunny
103°F 39°C
Sunny
Early-Evening
Calhoun Weather - 2026-09-09 - Evening - Partly Cloudy
88°F 31°C
Partly Cloudy
Scorching heat reaching 103°F 39°C, feeling like 106°F 41°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds turning from the SW to the NNE at 8 mph 12 km/h.

Thursday, September 10, 2026

Mid-Morning
Calhoun Weather - 2026-09-10 - Morning - Overcast
74°F 23°C
Overcast
Mid-Afternoon
Calhoun Weather - 2026-09-10 - Afternoon - Scattered Showers
90°F 32°C
Scattered Showers
Early-Evening
Calhoun Weather - 2026-09-10 - Evening - Cloudy
80°F 27°C
Cloudy
Sizzling hot with 90°F 32°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the NNE to the NE at 11 mph 17 km/h. Gusts up to 21 mph 34 km/h.

Friday, September 11, 2026

Mid-Morning
Calhoun Weather - 2026-09-11 - Morning - Sunny
72°F 22°C
Sunny
Mid-Afternoon
Calhoun Weather - 2026-09-11 - Afternoon - Sunny
91°F 33°C
Sunny
Early-Evening
Calhoun Weather - 2026-09-11 - Evening - Sunny
84°F 29°C
Sunny
Hot temperatures near 91°F 33°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds moving from the E to the ESE at 7 mph 12 km/h.

Saturday, September 12, 2026

Mid-Morning
Calhoun Weather - 2026-09-12 - Morning - Sunny
81°F 27°C
Sunny
Mid-Afternoon
Calhoun Weather - 2026-09-12 - Afternoon - Cloudy
98°F 37°C
Cloudy
Early-Evening
Calhoun Weather - 2026-09-12 - Evening - Partly Cloudy
91°F 33°C
Partly Cloudy
Very hot with a high of 98°F 37°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and barometric pressure falling. Winds SSE at 10 mph 17 km/h. Gusts up to 23 mph 37 km/h.

Sunday, September 13, 2026

Mid-Morning
Calhoun Weather - 2026-09-13 - Morning - Sunny
87°F 31°C
Sunny
Mid-Afternoon
Calhoun Weather - 2026-09-13 - Afternoon - Sunny
101°F 38°C
Sunny
Early-Evening
Calhoun Weather - 2026-09-13 - Evening - Overcast
90°F 32°C
Overcast
Dangerously hot temperatures around 101°F 38°C, sunny in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds out of the SW at 12 mph 19 km/h.

Monday, September 14, 2026

Mid-Morning
Calhoun Weather - 2026-09-14 - Morning - Sunny
84°F 29°C
Sunny
Mid-Afternoon
Calhoun Weather - 2026-09-14 - Afternoon - Nearby Thunderstorms
104°F 40°C
Nearby Thunderstorms
Early-Evening
Calhoun Weather - 2026-09-14 - Evening - Partly Cloudy
86°F 30°C
Partly Cloudy
Dangerously hot with a high of 104°F 40°C (heat index near 107°F 42°C), heavy thunderstorms conditions at times, with steady humidity and steady pressure. Winds blowing from the W at 12 mph 19 km/h. Gusts up to 20 mph 33 km/h.

Tuesday, September 15, 2026

Mid-Morning
Calhoun Weather - 2026-09-15 - Morning - Light Showers
74°F 23°C
Light Showers
Mid-Afternoon
Calhoun Weather - 2026-09-15 - Afternoon - Scattered Showers
90°F 32°C
Scattered Showers
Early-Evening
Calhoun Weather - 2026-09-15 - Evening - Sunny
80°F 26°C
Sunny
Sizzling hot with 90°F 32°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds NNE at 10 mph 16 km/h. Gusts up to 20 mph 32 km/h.

Wednesday, September 16, 2026

Mid-Morning
Calhoun Weather - 2026-09-16 - Morning - Sunny
71°F 22°C
Sunny
Mid-Afternoon
Calhoun Weather - 2026-09-16 - Afternoon - Sunny
87°F 30°C
Sunny
Early-Evening
Calhoun Weather - 2026-09-16 - Evening - Partly Cloudy
74°F 23°C
Partly Cloudy
Warm temperatures up to 87°F 30°C, partly cloudy through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds out of the NNE at 13 mph 20 km/h. Gusts up to 23 mph 37 km/h.

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Weather by the Numbers

Thu, 3rd
Calhoun IL Weather - Thursday, Sep 3, 2026 - Sunny
Hi: 101°F 38°C
Lo: 78°F 25°C
Sunrise 06:23 AM
Sunset 07:20 PM
Wind WSW 8 mph13 km/h
Dew Point 63°F17°C
uv Index 8
Barometric Pressure 29.94 in1014 mb
POP 1% *
Humidity 31%
Fri, 4th
Calhoun IL Weather - Friday, Sep 4, 2026 - Sunny
Hi: 103°F 39°C
Lo: 81°F 27°C
Sunrise 06:24 AM
Sunset 07:18 PM
Wind WNW 6 mph10 km/h
Dew Point 62°F17°C
uv Index 7
Barometric Pressure 29.97 in1015 mb
POP 0% *
Humidity 30%
Sat, 5th
Calhoun IL Weather - Saturday, Sep 5, 2026 - Patchy Rain Nearby
Hi: 101°F 38°C
Lo: 69°F 20°C
Sunrise 06:25 AM
Sunset 07:16 PM
Wind SSE 3 mph5 km/h
Dew Point 66°F19°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 17% *
Humidity 38%
Sun, 6th
Calhoun IL Weather - Sunday, Sep 6, 2026 - Cloudy
Hi: 92°F 33°C
Lo: 70°F 21°C
Sunrise 06:26 AM
Sunset 07:15 PM
Wind ESE 6 mph9 km/h
Dew Point 65°F18°C
uv Index 7
Barometric Pressure 29.97 in1015 mb
POP 8% *
Humidity 52%
Mon, 7th
Calhoun IL Weather - Monday, Sep 7, 2026 - Cloudy
Hi: 95°F 35°C
Lo: 64°F 18°C
Sunrise 06:27 AM
Sunset 07:13 PM
Wind ESE 7 mph12 km/h
Dew Point 54°F12°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 6% *
Humidity 33%
Tue, 8th
Calhoun IL Weather - Tuesday, Sep 8, 2026 - Partly Cloudy
Hi: 98°F 37°C
Lo: 78°F 26°C
Sunrise 06:28 AM
Sunset 07:12 PM
Wind SSW 13 mph20 km/h
Dew Point 65°F18°C
uv Index 8
Barometric Pressure 30.03 in1017 mb
POP 3% *
Humidity 40%
Wed, 9th
Calhoun IL Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 104°F 40°C
Lo: 77°F 25°C
Sunrise 06:28 AM
Sunset 07:10 PM
Wind WSW 15 mph24 km/h
Dew Point 65°F18°C
uv Index 9
Barometric Pressure 29.94 in1014 mb
POP 1% *
Humidity 36%
Thu, 10th
Calhoun IL Weather - Thursday, Sep 10, 2026 - Patchy Rain Nearby
Hi: 91°F 33°C
Lo: 68°F 20°C
Sunrise 06:29 AM
Sunset 07:09 PM
Wind WSW 8 mph13 km/h
Dew Point 49°F9°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 17% *
Humidity 30%
Fri, 11th
Calhoun IL Weather - Friday, Sep 11, 2026 - Sunny
Hi: 92°F 34°C
Lo: 63°F 17°C
Sunrise 06:30 AM
Sunset 07:07 PM
Wind ESE 6 mph10 km/h
Dew Point 52°F11°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 34%
Sat, 12th
Calhoun IL Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 99°F 37°C
Lo: 72°F 22°C
Sunrise 06:31 AM
Sunset 07:05 PM
Wind S 11 mph17 km/h
Dew Point 61°F16°C
uv Index 8
Barometric Pressure 29.94 in1014 mb
POP 4% *
Humidity 36%
Sun, 13th
Calhoun IL Weather - Sunday, Sep 13, 2026 - Sunny
Hi: 101°F 38°C
Lo: 80°F 26°C
Sunrise 06:32 AM
Sunset 07:04 PM
Wind SW 16 mph26 km/h
Dew Point 65°F18°C
uv Index 9
Barometric Pressure 29.91 in1013 mb
POP 1% *
Humidity 36%
Mon, 14th
Calhoun IL Weather - Monday, Sep 14, 2026 - Sunny
Hi: 106°F 41°C
Lo: 76°F 24°C
Sunrise 06:33 AM
Sunset 07:02 PM
Wind WSW 12 mph20 km/h
Dew Point 66°F19°C
uv Index 9
Barometric Pressure 29.97 in1015 mb
POP 3% *
Humidity 37%
Tue, 15th
Calhoun IL Weather - Tuesday, Sep 15, 2026 - Partly Cloudy
Hi: 91°F 33°C
Lo: 67°F 20°C
Sunrise 06:34 AM
Sunset 07:00 PM
Wind NE 10 mph17 km/h
Dew Point 42°F6°C
uv Index 7
Barometric Pressure 30.09 in1019 mb
POP 7% *
Humidity 23%
Wed, 16th
Calhoun IL Weather - Wednesday, Sep 16, 2026 - Partly Cloudy
Hi: 87°F 30°C
Lo: 61°F 16°C
Sunrise 06:35 AM
Sunset 06:59 PM
Wind NNE 10 mph15 km/h
Dew Point 42°F6°C
uv Index 7
Barometric Pressure 30.12 in1020 mb
POP 1% *
Humidity 24%
* POP = Probability of Precipitation. Data for 12:00 PM.