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Cave IL Weather - Clear - 80°F
Clear
80°F
Updated 8:29 am
Feels Like 85°F
Humidity 80%
Wind N 0 mph
Barometer  30.04 in
Dew Point 74°F
Cave IL Weather - Clear - 27°C
Clear
27°C
Updated 8:29 am
Feels Like 30°C
Humidity 80%
Wind N 0 km/h
Barometer  101.7 kPa
Dew Point 23°C
Cave, IL Weather and Current Conditionscave il weather forecast

Cave, IL Weather Forecast

Cave Illinois WeatherCave, Illinois Weather Weather Forecast
14 Day API Cave, IL Weather Forecast. Note: Our 7 day Cave, Illinois weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Cave, IL Weather Forecast Dated: 829 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
Cave Weather - 2026-09-03 - Morning - Sunny
88°F 31°C
Sunny
Mid-Afternoon
Cave Weather - 2026-09-03 - Afternoon - Partly Cloudy
100°F 38°C
Partly Cloudy
Early-Evening
Cave Weather - 2026-09-03 - Evening - Overcast
94°F 34°C
Overcast
Scorching heat reaching 100°F 38°C, feeling like 103°F 39°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure.

Friday, September 4, 2026

Mid-Morning
Cave Weather - 2026-09-04 - Morning - Sunny
89°F 32°C
Sunny
Mid-Afternoon
Cave Weather - 2026-09-04 - Afternoon - Cloudy
98°F 37°C
Cloudy
Early-Evening
Cave Weather - 2026-09-04 - Evening - Scattered Showers
88°F 31°C
Scattered Showers
Hot and sweltering around 98°F 37°C (heat index 101°F 38°C), scattered downpours possible, with steady humidity and steady pressure.

Saturday, September 5, 2026

Mid-Morning
Cave Weather - 2026-09-05 - Morning - Sunny
81°F 27°C
Sunny
Mid-Afternoon
Cave Weather - 2026-09-05 - Afternoon - Partly Cloudy
102°F 39°C
Partly Cloudy
Early-Evening
Cave Weather - 2026-09-05 - Evening - Sunny
82°F 28°C
Sunny
Dangerously hot with a high of 102°F 39°C (heat index near 105°F 41°C), sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds picking up from NNE at 4 mph 6 km/h to ENE at 15 mph 23 km/h. Gusts up to 23 mph 36 km/h.

Sunday, September 6, 2026

Mid-Morning
Cave Weather - 2026-09-06 - Morning - Sunny
76°F 25°C
Sunny
Mid-Afternoon
Cave Weather - 2026-09-06 - Afternoon - Partly Cloudy
97°F 36°C
Partly Cloudy
Early-Evening
Cave Weather - 2026-09-06 - Evening - Sunny
89°F 32°C
Sunny
Hot temperatures near 97°F 36°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds switching from the E to the NE at 11 mph 18 km/h. Gusts up to 24 mph 40 km/h.

Monday, September 7, 2026

Mid-Morning
Cave Weather - 2026-09-07 - Morning - Sunny
77°F 25°C
Sunny
Mid-Afternoon
Cave Weather - 2026-09-07 - Afternoon - Sunny
101°F 38°C
Sunny
Early-Evening
Cave Weather - 2026-09-07 - Evening - Sunny
93°F 34°C
Sunny
Scorching hot near 101°F 38°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds ESE at 7 mph 11 km/h.

Tuesday, September 8, 2026

Mid-Morning
Cave Weather - 2026-09-08 - Morning - Partly Cloudy
86°F 30°C
Partly Cloudy
Mid-Afternoon
Cave Weather - 2026-09-08 - Afternoon - Sunny
101°F 39°C
Sunny
Early-Evening
Cave Weather - 2026-09-08 - Evening - Sunny
95°F 35°C
Sunny
Dangerously hot with a high of 101°F 39°C (heat index near 104°F 40°C), cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds swinging from the SSW to the SSE at 12 mph 19 km/h. Gusts up to 22 mph 35 km/h.

Wednesday, September 9, 2026

Mid-Morning
Cave Weather - 2026-09-09 - Morning - Sunny
87°F 31°C
Sunny
Mid-Afternoon
Cave Weather - 2026-09-09 - Afternoon - Cloudy
102°F 39°C
Cloudy
Early-Evening
Cave Weather - 2026-09-09 - Evening - Cloudy
91°F 33°C
Cloudy
Scorching heat reaching 102°F 39°C, feeling like 105°F 41°C, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the SW to the E at 8 mph 13 km/h.

Thursday, September 10, 2026

Mid-Morning
Cave Weather - 2026-09-10 - Morning - Light Showers
76°F 24°C
Light Showers
Mid-Afternoon
Cave Weather - 2026-09-10 - Afternoon - Overcast
85°F 29°C
Overcast
Early-Evening
Cave Weather - 2026-09-10 - Evening - Light Showers
81°F 27°C
Light Showers
Quite warm around 85°F 29°C, early showers and late showers with a lull during the afternoon, with lower humidity and steady pressure.

Friday, September 11, 2026

Mid-Morning
Cave Weather - 2026-09-11 - Morning - Sunny
76°F 24°C
Sunny
Mid-Afternoon
Cave Weather - 2026-09-11 - Afternoon - Overcast
92°F 33°C
Overcast
Early-Evening
Cave Weather - 2026-09-11 - Evening - Partly Cloudy
86°F 30°C
Partly Cloudy
Hot temperatures near 92°F 33°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling.

Saturday, September 12, 2026

Mid-Morning
Cave Weather - 2026-09-12 - Morning - Sunny
85°F 29°C
Sunny
Mid-Afternoon
Cave Weather - 2026-09-12 - Afternoon - Sunny
98°F 37°C
Sunny
Early-Evening
Cave Weather - 2026-09-12 - Evening - Overcast
92°F 33°C
Overcast
Sizzling hot near 98°F 37°C with a heat index reaching 101°F 39°C, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds S at 11 mph 18 km/h. Gusts up to 22 mph 36 km/h.

Sunday, September 13, 2026

Mid-Morning
Cave Weather - 2026-09-13 - Morning - Sunny
88°F 31°C
Sunny
Mid-Afternoon
Cave Weather - 2026-09-13 - Afternoon - Sunny
105°F 40°C
Sunny
Early-Evening
Cave Weather - 2026-09-13 - Evening - Cloudy
94°F 35°C
Cloudy
Dangerously hot temperatures around 105°F 40°C, sunny in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds out of the SW at 15 mph 25 km/h.

Monday, September 14, 2026

Mid-Morning
Cave Weather - 2026-09-14 - Morning - Sunny
87°F 31°C
Sunny
Mid-Afternoon
Cave Weather - 2026-09-14 - Afternoon - Cloudy
103°F 40°C
Cloudy
Early-Evening
Cave Weather - 2026-09-14 - Evening - Scattered Showers
83°F 28°C
Scattered Showers
Dangerously hot with a high of 103°F 40°C (heat index near 107°F 42°C), locally heavy downpours at times, with increasing humidity and steady pressure. Winds moving from the SW to the SSE at 12 mph 18 km/h.

Tuesday, September 15, 2026

Mid-Morning
Cave Weather - 2026-09-15 - Morning - Overcast
76°F 24°C
Overcast
Mid-Afternoon
Cave Weather - 2026-09-15 - Afternoon - Partly Cloudy
91°F 33°C
Partly Cloudy
Early-Evening
Cave Weather - 2026-09-15 - Evening - Overcast
84°F 29°C
Overcast
Sizzling hot with 91°F 33°C, overcast throughout the day, with lower humidity and steady pressure. Winds ENE at 8 mph 13 km/h.

Wednesday, September 16, 2026

Mid-Morning
Cave Weather - 2026-09-16 - Morning - Overcast
73°F 23°C
Overcast
Mid-Afternoon
Cave Weather - 2026-09-16 - Afternoon - Overcast
89°F 31°C
Overcast
Early-Evening
Cave Weather - 2026-09-16 - Evening - Cloudy
79°F 27°C
Cloudy
Warm temperatures up to 89°F 31°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds out of the NE at 9 mph 15 km/h. Gusts up to 22 mph 36 km/h.

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Weather by the Numbers

Thu, 3rd
Cave IL Weather - Thursday, Sep 3, 2026 - Sunny
Hi: 101°F 39°C
Lo: 76°F 25°C
Sunrise 06:27 AM
Sunset 07:22 PM
Wind W 7 mph11 km/h
Dew Point 62°F17°C
uv Index 8
Barometric Pressure 29.94 in1014 mb
POP 0% *
Humidity 30%
Fri, 4th
Cave IL Weather - Friday, Sep 4, 2026 - Sunny
Hi: 101°F 39°C
Lo: 81°F 27°C
Sunrise 06:28 AM
Sunset 07:21 PM
Wind NW 7 mph12 km/h
Dew Point 63°F17°C
uv Index 8
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 30%
Sat, 5th
Cave IL Weather - Saturday, Sep 5, 2026 - Patchy Rain Nearby
Hi: 102°F 39°C
Lo: 71°F 22°C
Sunrise 06:29 AM
Sunset 07:19 PM
Wind WNW 4 mph6 km/h
Dew Point 64°F18°C
uv Index 8
Barometric Pressure 29.94 in1014 mb
POP 17% *
Humidity 33%
Sun, 6th
Cave IL Weather - Sunday, Sep 6, 2026 - Sunny
Hi: 97°F 36°C
Lo: 71°F 21°C
Sunrise 06:30 AM
Sunset 07:18 PM
Wind ENE 6 mph10 km/h
Dew Point 63°F17°C
uv Index 7
Barometric Pressure 29.94 in1014 mb
POP 1% *
Humidity 40%
Mon, 7th
Cave IL Weather - Monday, Sep 7, 2026 - Sunny
Hi: 102°F 39°C
Lo: 68°F 20°C
Sunrise 06:31 AM
Sunset 07:16 PM
Wind E 7 mph12 km/h
Dew Point 56°F14°C
uv Index 8
Barometric Pressure 30 in1016 mb
POP 1% *
Humidity 31%
Tue, 8th
Cave IL Weather - Tuesday, Sep 8, 2026 - Partly Cloudy
Hi: 102°F 39°C
Lo: 78°F 26°C
Sunrise 06:31 AM
Sunset 07:14 PM
Wind SSW 11 mph18 km/h
Dew Point 64°F18°C
uv Index 9
Barometric Pressure 30 in1016 mb
POP 1% *
Humidity 35%
Wed, 9th
Cave IL Weather - Wednesday, Sep 9, 2026 - Partly Cloudy
Hi: 102°F 39°C
Lo: 77°F 25°C
Sunrise 06:32 AM
Sunset 07:13 PM
Wind SW 12 mph19 km/h
Dew Point 64°F18°C
uv Index 9
Barometric Pressure 29.97 in1015 mb
POP 5% *
Humidity 33%
Thu, 10th
Cave IL Weather - Thursday, Sep 10, 2026 - Patchy Rain Nearby
Hi: 86°F 30°C
Lo: 70°F 21°C
Sunrise 06:33 AM
Sunset 07:11 PM
Wind NNE 6 mph9 km/h
Dew Point 53°F12°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 36% *
Humidity 36%
Fri, 11th
Cave IL Weather - Friday, Sep 11, 2026 - Sunny
Hi: 92°F 34°C
Lo: 66°F 19°C
Sunrise 06:34 AM
Sunset 07:10 PM
Wind ESE 5 mph9 km/h
Dew Point 56°F13°C
uv Index 8
Barometric Pressure 30 in1016 mb
POP 5% *
Humidity 34%
Sat, 12th
Cave IL Weather - Saturday, Sep 12, 2026 - Partly Cloudy
Hi: 99°F 37°C
Lo: 76°F 24°C
Sunrise 06:35 AM
Sunset 07:08 PM
Wind SSW 10 mph16 km/h
Dew Point 65°F18°C
uv Index 9
Barometric Pressure 29.91 in1013 mb
POP 2% *
Humidity 37%
Sun, 13th
Cave IL Weather - Sunday, Sep 13, 2026 - Sunny
Hi: 105°F 41°C
Lo: 78°F 26°C
Sunrise 06:36 AM
Sunset 07:07 PM
Wind SW 16 mph26 km/h
Dew Point 65°F18°C
uv Index 9
Barometric Pressure 29.91 in1013 mb
POP 1% *
Humidity 33%
Mon, 14th
Cave IL Weather - Monday, Sep 14, 2026 - Sunny
Hi: 103°F 40°C
Lo: 75°F 24°C
Sunrise 06:37 AM
Sunset 07:05 PM
Wind W 11 mph18 km/h
Dew Point 65°F18°C
uv Index 9
Barometric Pressure 30 in1016 mb
POP 3% *
Humidity 33%
Tue, 15th
Cave IL Weather - Tuesday, Sep 15, 2026 - Overcast
Hi: 92°F 33°C
Lo: 71°F 22°C
Sunrise 06:37 AM
Sunset 07:03 PM
Wind ENE 10 mph16 km/h
Dew Point 54°F12°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 5% *
Humidity 35%
Wed, 16th
Cave IL Weather - Wednesday, Sep 16, 2026 - Cloudy
Hi: 89°F 32°C
Lo: 64°F 18°C
Sunrise 06:38 AM
Sunset 07:02 PM
Wind ENE 9 mph14 km/h
Dew Point 42°F6°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 9% *
Humidity 24%
* POP = Probability of Precipitation. Data for 12:00 PM.