Percival, IL 14 Day Weather

Feedback E-mail the Weather

Quick Weather Clicks

Percival, IL Weather - 14-Day Weather Forecast

Current Conditions

Settings
Percival IL Weather - Clear - 79°F
Clear
79°F
Updated 10:21 am
Feels Like 82°F
Humidity 69%
Wind NNE 3 mph
Barometer  29.96 in
Dew Point 68°F
Percival IL Weather - Clear - 26°C
Clear
26°C
Updated 10:21 am
Feels Like 28°C
Humidity 69%
Wind NNE 5 km/h
Barometer  101.4 kPa
Dew Point 20°C
Percival, IL Weather and Current Conditionspercival il weather forecast

Percival, IL Weather Forecast

Percival Illinois WeatherPercival, Illinois Weather Weather Forecast
14 day API weather forecast for Percival. Note: The 7-day Percival weather forecast is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.
Percival, IL Weather Forecast Dated: 1021 AM Sun Sep 20 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.

Sunday, September 20, 2026

Mid-Morning
Percival Weather - 2026-09-20 - Morning - Overcast
78°F 26°C
Overcast
Mid-Afternoon
Percival Weather - 2026-09-20 - Afternoon - Partly Cloudy
93°F 34°C
Partly Cloudy
Early-Evening
Percival Weather - 2026-09-20 - Evening - Sunny
77°F 25°C
Sunny
Very hot with temperatures reaching 93°F 34°C, overcast in the morning, becoming cloudy through the afternoon and evening, with increasing humidity and steady pressure. Winds turning from the W to the NE at 13 mph 20 km/h. Gusts up to 21 mph 34 km/h.

Monday, September 21, 2026

Mid-Morning
Percival Weather - 2026-09-21 - Morning - Light Showers
62°F 17°C
Light Showers
Mid-Afternoon
Percival Weather - 2026-09-21 - Afternoon - Overcast
73°F 23°C
Overcast
Early-Evening
Percival Weather - 2026-09-21 - Evening - Overcast
67°F 19°C
Overcast
Comfortable with temperatures reaching 73°F 23°C, scattered morning showers before drying out later, with lower humidity and steady pressure. Winds blowing from the NE at 10 mph 15 km/h.

Tuesday, September 22, 2026

Mid-Morning
Percival Weather - 2026-09-22 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
Percival Weather - 2026-09-22 - Afternoon - Overcast
69°F 21°C
Overcast
Early-Evening
Percival Weather - 2026-09-22 - Evening - Scattered Showers
64°F 18°C
Scattered Showers
Enjoyable around 69°F 21°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the ENE to the NE at 12 mph 20 km/h. Gusts up to 21 mph 34 km/h.

Wednesday, September 23, 2026

Mid-Morning
Percival Weather - 2026-09-23 - Morning - Overcast
59°F 15°C
Overcast
Mid-Afternoon
Percival Weather - 2026-09-23 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
Percival Weather - 2026-09-23 - Evening - Cloudy
62°F 17°C
Cloudy
Mild temperatures up to 72°F 22°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds swinging from the NE to the NNE at 12 mph 19 km/h.

Thursday, September 24, 2026

Mid-Morning
Percival Weather - 2026-09-24 - Morning - Partly Cloudy
59°F 15°C
Partly Cloudy
Mid-Afternoon
Percival Weather - 2026-09-24 - Afternoon - Partly Cloudy
73°F 23°C
Partly Cloudy
Early-Evening
Percival Weather - 2026-09-24 - Evening - Cloudy
66°F 19°C
Cloudy
Mild with a high of 73°F 23°C, cloudy in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds shifting from the NE to the ENE at 12 mph 20 km/h.

Friday, September 25, 2026

Mid-Morning
Percival Weather - 2026-09-25 - Morning - Light Showers
59°F 15°C
Light Showers
Mid-Afternoon
Percival Weather - 2026-09-25 - Afternoon - Scattered Showers
64°F 18°C
Scattered Showers
Early-Evening
Percival Weather - 2026-09-25 - Evening - Scattered Showers
64°F 18°C
Scattered Showers
Mildly cool near 64°F 18°C, locally heavy downpours at times, with steady humidity and steady pressure.

Saturday, September 26, 2026

Mid-Morning
Percival Weather - 2026-09-26 - Morning - Light Fog
62°F 17°C
Light Fog
Mid-Afternoon
Percival Weather - 2026-09-26 - Afternoon - Sunny
74°F 23°C
Sunny
Early-Evening
Percival Weather - 2026-09-26 - Evening - Sunny
68°F 20°C
Sunny
Comfortable with temperatures reaching 74°F 23°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds ENE at 9 mph 14 km/h.

Sunday, September 27, 2026

Mid-Morning
Percival Weather - 2026-09-27 - Morning - Sunny
64°F 18°C
Sunny
Mid-Afternoon
Percival Weather - 2026-09-27 - Afternoon - Sunny
77°F 25°C
Sunny
Early-Evening
Percival Weather - 2026-09-27 - Evening - Sunny
70°F 21°C
Sunny
Enjoyable around 77°F 25°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds switching from the ESE to the SE at 7 mph 11 km/h.

Monday, September 28, 2026

Mid-Morning
Percival Weather - 2026-09-28 - Morning - Overcast
61°F 16°C
Overcast
Mid-Afternoon
Percival Weather - 2026-09-28 - Afternoon - Scattered Showers
58°F 14°C
Scattered Showers
Early-Evening
Percival Weather - 2026-09-28 - Evening - Overcast
54°F 12°C
Overcast
Refreshing around 58°F 14°C, locally heavy downpours at times, with lower humidity and barometric pressure rising. Winds moving from the S to the NW at 17 mph 28 km/h. Gusts up to 25 mph 40 km/h.

Tuesday, September 29, 2026

Mid-Morning
Percival Weather - 2026-09-29 - Morning - Sunny
49°F 10°C
Sunny
Mid-Afternoon
Percival Weather - 2026-09-29 - Afternoon - Sunny
62°F 17°C
Sunny
Early-Evening
Percival Weather - 2026-09-29 - Evening - Sunny
57°F 14°C
Sunny
Mildly cool near 62°F 17°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the WNW to the SE at 6 mph 9 km/h.

Wednesday, September 30, 2026

Mid-Morning
Percival Weather - 2026-09-30 - Morning - Overcast
55°F 13°C
Overcast
Mid-Afternoon
Percival Weather - 2026-09-30 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Percival Weather - 2026-09-30 - Evening - Sunny
66°F 19°C
Sunny
Pleasant near 73°F 23°C, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds shifting from the S to the NW at 11 mph 18 km/h.

Thursday, October 1, 2026

Mid-Morning
Percival Weather - 2026-10-01 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Percival Weather - 2026-10-01 - Afternoon - Sunny
67°F 19°C
Sunny
Early-Evening
Percival Weather - 2026-10-01 - Evening - Sunny
60°F 16°C
Sunny
Cool with a high near 67°F 19°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the NNW to the WNW at 6 mph 9 km/h.

Friday, October 2, 2026

Mid-Morning
Percival Weather - 2026-10-02 - Morning - Sunny
58°F 15°C
Sunny
Mid-Afternoon
Percival Weather - 2026-10-02 - Afternoon - Sunny
71°F 21°C
Sunny
Early-Evening
Percival Weather - 2026-10-02 - Evening - Sunny
61°F 16°C
Sunny
Enjoyable around 71°F 21°C, sunny throughout the day, with lower humidity and steady pressure. Winds switching from the NW to the SE at 8 mph 12 km/h.

Saturday, October 3, 2026

Mid-Morning
Percival Weather - 2026-10-03 - Morning - Partly Cloudy
56°F 13°C
Partly Cloudy
Mid-Afternoon
Percival Weather - 2026-10-03 - Afternoon - Overcast
68°F 20°C
Overcast
Early-Evening
Percival Weather - 2026-10-03 - Evening - Overcast
62°F 17°C
Overcast
Mild temperatures up to 68°F 20°C, overcast throughout the day, with steady humidity and steady pressure.

Trending Headlines

Percival, IL Weather Radar Map

Use the map search tool if you want to place a location marker on the radar map...

Percival, IL 7 Day Weather

National Two Day Weather Forecast


E-mail the Percival Weather Forecast

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

Weather by the Numbers

Sun, 20th
Percival IL Weather - Sunday, Sep 20, 2026 - Cloudy
Hi: 93°F 34°C
Lo: 66°F 19°C
Sunrise 06:40 AM
Sunset 06:54 PM
Wind W 10 mph16 km/h
Dew Point 59°F15°C
uv Index 7
Barometric Pressure 29.85 in1011 mb
POP 6% *
Humidity 36%
Mon, 21st
Percival IL Weather - Monday, Sep 21, 2026 - Light Rain Shower
Hi: 73°F 23°C
Lo: 62°F 17°C
Sunrise 06:41 AM
Sunset 06:53 PM
Wind ENE 9 mph14 km/h
Dew Point 62°F17°C
uv Index 2
Barometric Pressure 30 in1016 mb
POP 44% *
Humidity 80%
Tue, 22nd
Percival IL Weather - Tuesday, Sep 22, 2026 - Overcast
Hi: 69°F 21°C
Lo: 56°F 13°C
Sunrise 06:42 AM
Sunset 06:51 PM
Wind NE 11 mph18 km/h
Dew Point 52°F11°C
uv Index 3
Barometric Pressure 30.15 in1021 mb
POP 14% *
Humidity 60%
Wed, 23rd
Percival IL Weather - Wednesday, Sep 23, 2026 - Sunny
Hi: 73°F 23°C
Lo: 56°F 13°C
Sunrise 06:43 AM
Sunset 06:49 PM
Wind NNE 11 mph17 km/h
Dew Point 51°F11°C
uv Index 6
Barometric Pressure 30.24 in1024 mb
POP 3% *
Humidity 50%
Thu, 24th
Percival IL Weather - Thursday, Sep 24, 2026 - Partly Cloudy
Hi: 73°F 23°C
Lo: 53°F 12°C
Sunrise 06:44 AM
Sunset 06:48 PM
Wind ENE 10 mph17 km/h
Dew Point 53°F12°C
uv Index 6
Barometric Pressure 30.27 in1025 mb
POP 4% *
Humidity 56%
Fri, 25th
Percival IL Weather - Friday, Sep 25, 2026 - Light Rain Shower
Hi: 66°F 19°C
Lo: 58°F 15°C
Sunrise 06:45 AM
Sunset 06:46 PM
Wind N 4 mph6 km/h
Dew Point 57°F14°C
uv Index 4
Barometric Pressure 30.18 in1022 mb
POP 44% *
Humidity 89%
Sat, 26th
Percival IL Weather - Saturday, Sep 26, 2026 - Partly Cloudy
Hi: 74°F 24°C
Lo: 58°F 14°C
Sunrise 06:46 AM
Sunset 06:45 PM
Wind ENE 9 mph14 km/h
Dew Point 51°F11°C
uv Index 6
Barometric Pressure 30.18 in1022 mb
POP 4% *
Humidity 53%
Sun, 27th
Percival IL Weather - Sunday, Sep 27, 2026 - Sunny
Hi: 78°F 25°C
Lo: 57°F 14°C
Sunrise 06:47 AM
Sunset 06:43 PM
Wind ESE 9 mph14 km/h
Dew Point 49°F10°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 1% *
Humidity 44%
Mon, 28th
Percival IL Weather - Monday, Sep 28, 2026 - Light Rain Shower
Hi: 63°F 17°C
Lo: 51°F 11°C
Sunrise 06:47 AM
Sunset 06:41 PM
Wind W 12 mph20 km/h
Dew Point 55°F13°C
uv Index 3
Barometric Pressure 29.77 in1008 mb
POP 64% *
Humidity 94%
Tue, 29th
Percival IL Weather - Tuesday, Sep 29, 2026 - Sunny
Hi: 63°F 17°C
Lo: 42°F 6°C
Sunrise 06:48 AM
Sunset 06:40 PM
Wind WNW 9 mph15 km/h
Dew Point 32°F0°C
uv Index 4
Barometric Pressure 30 in1016 mb
POP 1% *
Humidity 38%
Wed, 30th
Percival IL Weather - Wednesday, Sep 30, 2026 - Sunny
Hi: 75°F 24°C
Lo: 49°F 9°C
Sunrise 06:49 AM
Sunset 06:38 PM
Wind SSW 17 mph27 km/h
Dew Point 31°F-0°C
uv Index 5
Barometric Pressure 29.83 in1010 mb
POP 1% *
Humidity 27%
Thu, 1st
Percival IL Weather - Thursday, Oct 1, 2026 - Sunny
Hi: 68°F 20°C
Lo: 46°F 8°C
Sunrise 06:50 AM
Sunset 06:36 PM
Wind NW 9 mph14 km/h
Dew Point 32°F-0°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 32%
Fri, 2nd
Percival IL Weather - Friday, Oct 2, 2026 - Sunny
Hi: 71°F 22°C
Lo: 50°F 10°C
Sunrise 06:51 AM
Sunset 06:35 PM
Wind NW 8 mph13 km/h
Dew Point 38°F3°C
uv Index 5
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 34%
Sat, 3rd
Percival IL Weather - Saturday, Oct 3, 2026 - Overcast
Hi: 68°F 20°C
Lo: 50°F 10°C
Sunrise 06:52 AM
Sunset 06:33 PM
Wind E 6 mph9 km/h
Dew Point 34°F1°C
uv Index 4
Barometric Pressure 30.27 in1025 mb
POP 10% *
Humidity 32%
* POP = Probability of Precipitation. Data for 12:00 PM.