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Stillwell IL Weather - Clear - 78°F
Clear
78°F
Updated 1:54 am
Feels Like 69°F
Humidity 66%
Wind S 14 mph
Barometer  29.96 in
Dew Point 66°F
Stillwell IL Weather - Clear - 26°C
Clear
26°C
Updated 1:54 am
Feels Like 21°C
Humidity 66%
Wind S 23 km/h
Barometer  101.5 kPa
Dew Point 19°C
Stillwell, IL Weather and Current Conditionsstillwell il weather forecast

Stillwell, IL Weather Forecast

Stillwell Illinois WeatherStillwell, Illinois Weather Weather Forecast
14 day API weather forecast for Stillwell, Illinois. Note: The 7-day weather forecast for Stillwell, IL 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.
Stillwell, IL Weather Forecast Dated: 154 AM Tue Sep 15 2026
Expect a mild stretch with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.

Tuesday, September 15, 2026

Mid-Morning
Stillwell Weather - 2026-09-15 - Morning - Heavy Rain Showers
74°F 24°C
Heavy Rain Showers
Mid-Afternoon
Stillwell Weather - 2026-09-15 - Afternoon - Partly Cloudy
90°F 32°C
Partly Cloudy
Early-Evening
Stillwell Weather - 2026-09-15 - Evening - Overcast
77°F 25°C
Overcast
Very hot with temperatures reaching 90°F 32°C, early showers breaking for a drier afternoon, with steady humidity and steady pressure. Winds turning from the S to the NNW at 9 mph 15 km/h.

Wednesday, September 16, 2026

Mid-Morning
Stillwell Weather - 2026-09-16 - Morning - Scattered Showers
66°F 19°C
Scattered Showers
Mid-Afternoon
Stillwell Weather - 2026-09-16 - Afternoon - Partly Cloudy
79°F 26°C
Partly Cloudy
Early-Evening
Stillwell Weather - 2026-09-16 - Evening - Sunny
79°F 26°C
Sunny
Comfortable with temperatures reaching 79°F 26°C, scattered downpours possible, with lower humidity and steady pressure. Winds switching from the NE to the ESE at 5 mph 9 km/h.

Thursday, September 17, 2026

Mid-Morning
Stillwell Weather - 2026-09-17 - Morning - Overcast
72°F 22°C
Overcast
Mid-Afternoon
Stillwell Weather - 2026-09-17 - Afternoon - Overcast
85°F 30°C
Overcast
Early-Evening
Stillwell Weather - 2026-09-17 - Evening - Overcast
80°F 27°C
Overcast
Very warm near 85°F 30°C, though humidity makes it feel like 90°F 32°C, overcast throughout the day, with lower humidity and steady pressure.

Friday, September 18, 2026

Mid-Morning
Stillwell Weather - 2026-09-18 - Morning - Cloudy
72°F 22°C
Cloudy
Mid-Afternoon
Stillwell Weather - 2026-09-18 - Afternoon - Sunny
91°F 33°C
Sunny
Early-Evening
Stillwell Weather - 2026-09-18 - Evening - Sunny
89°F 32°C
Sunny
Sizzling hot near 91°F 33°C with a heat index reaching 96°F 36°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds moving from the ESE to the SSE at 7 mph 11 km/h.

Saturday, September 19, 2026

Mid-Morning
Stillwell Weather - 2026-09-19 - Morning - Partly Cloudy
79°F 26°C
Partly Cloudy
Mid-Afternoon
Stillwell Weather - 2026-09-19 - Afternoon - Sunny
95°F 35°C
Sunny
Early-Evening
Stillwell Weather - 2026-09-19 - Evening - Sunny
85°F 30°C
Sunny
Very hot with a high of 95°F 35°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds swinging from the W to the SSW at 8 mph 12 km/h.

Sunday, September 20, 2026

Mid-Morning
Stillwell Weather - 2026-09-20 - Morning - Scattered Showers
75°F 24°C
Scattered Showers
Mid-Afternoon
Stillwell Weather - 2026-09-20 - Afternoon - Sunny
88°F 31°C
Sunny
Early-Evening
Stillwell Weather - 2026-09-20 - Evening - Overcast
79°F 26°C
Overcast
Very warm near 88°F 31°C, though humidity makes it feel like 91°F 33°C, locally heavy downpours at times, with steady humidity and steady pressure.

Monday, September 21, 2026

Mid-Morning
Stillwell Weather - 2026-09-21 - Morning - Light Fog
67°F 20°C
Light Fog
Mid-Afternoon
Stillwell Weather - 2026-09-21 - Afternoon - Overcast
72°F 22°C
Overcast
Early-Evening
Stillwell Weather - 2026-09-21 - Evening - Overcast
70°F 21°C
Overcast
Comfortable with temperatures reaching 72°F 22°C, overcast throughout the day, with steady humidity and steady pressure.

Tuesday, September 22, 2026

Mid-Morning
Stillwell Weather - 2026-09-22 - Morning - Fog
64°F 18°C
Fog
Mid-Afternoon
Stillwell Weather - 2026-09-22 - Afternoon - Overcast
73°F 23°C
Overcast
Early-Evening
Stillwell Weather - 2026-09-22 - Evening - Overcast
67°F 20°C
Overcast
Enjoyable around 73°F 23°C, overcast throughout the day, with steady humidity and steady pressure. Winds shifting from the NW to the ESE at 7 mph 11 km/h.

Wednesday, September 23, 2026

Mid-Morning
Stillwell Weather - 2026-09-23 - Morning - Overcast
63°F 17°C
Overcast
Mid-Afternoon
Stillwell Weather - 2026-09-23 - Afternoon - Overcast
70°F 21°C
Overcast
Early-Evening
Stillwell Weather - 2026-09-23 - Evening - Overcast
67°F 19°C
Overcast
Mild temperatures up to 70°F 21°C, overcast throughout the day, with steady humidity and steady pressure.

Thursday, September 24, 2026

Mid-Morning
Stillwell Weather - 2026-09-24 - Morning - Overcast
65°F 18°C
Overcast
Mid-Afternoon
Stillwell Weather - 2026-09-24 - Afternoon - Sunny
81°F 27°C
Sunny
Early-Evening
Stillwell Weather - 2026-09-24 - Evening - Sunny
73°F 23°C
Sunny
Very warm with a high of 81°F 27°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds increasing from the WSW at 3 mph 5 km/h to ESE at 11 mph 19 km/h. Gusts up to 23 mph 37 km/h.

Friday, September 25, 2026

Mid-Morning
Stillwell Weather - 2026-09-25 - Morning - Sunny
54°F 12°C
Sunny
Mid-Afternoon
Stillwell Weather - 2026-09-25 - Afternoon - Sunny
67°F 19°C
Sunny
Early-Evening
Stillwell Weather - 2026-09-25 - Evening - Sunny
60°F 16°C
Sunny
Comfortable at 67°F 19°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the N to the NNE at 9 mph 14 km/h.

Saturday, September 26, 2026

Mid-Morning
Stillwell Weather - 2026-09-26 - Morning - Sunny
55°F 13°C
Sunny
Mid-Afternoon
Stillwell Weather - 2026-09-26 - Afternoon - Sunny
68°F 20°C
Sunny
Early-Evening
Stillwell Weather - 2026-09-26 - Evening - Sunny
61°F 17°C
Sunny
Comfortable with temperatures reaching 68°F 20°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the NNE to the NE at 9 mph 14 km/h.

Sunday, September 27, 2026

Mid-Morning
Stillwell Weather - 2026-09-27 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Stillwell Weather - 2026-09-27 - Afternoon - Sunny
67°F 19°C
Sunny
Early-Evening
Stillwell Weather - 2026-09-27 - Evening - Sunny
60°F 16°C
Sunny
Refreshing around 67°F 19°C, sunny throughout the day, with steady humidity and steady pressure. Winds ENE at 10 mph 16 km/h.

Monday, September 28, 2026

Mid-Morning
Stillwell Weather - 2026-09-28 - Morning - Sunny
55°F 13°C
Sunny
Mid-Afternoon
Stillwell Weather - 2026-09-28 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Stillwell Weather - 2026-09-28 - Evening - Sunny
62°F 17°C
Sunny
Mild temperatures up to 71°F 22°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds shifting from the ESE to the NNE at 11 mph 18 km/h. Gusts up to 21 mph 33 km/h.

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Weather by the Numbers

Tue, 15th
Stillwell IL Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 90°F 32°C
Lo: 69°F 21°C
Sunrise 06:46 AM
Sunset 07:14 PM
Wind SSW 7 mph11 km/h
Dew Point 68°F20°C
uv Index 3
Barometric Pressure 30 in1016 mb
POP 4% *
Humidity 62%
Wed, 16th
Stillwell IL Weather - Wednesday, Sep 16, 2026 - Overcast
Hi: 82°F 28°C
Lo: 65°F 18°C
Sunrise 06:47 AM
Sunset 07:12 PM
Wind ENE 7 mph11 km/h
Dew Point 67°F20°C
uv Index 6
Barometric Pressure 30.27 in1025 mb
POP 29% *
Humidity 91%
Thu, 17th
Stillwell IL Weather - Thursday, Sep 17, 2026 - Light Rain Shower
Hi: 86°F 30°C
Lo: 71°F 22°C
Sunrise 06:48 AM
Sunset 07:10 PM
Wind SE 4 mph6 km/h
Dew Point 70°F21°C
uv Index 6
Barometric Pressure 30.21 in1023 mb
POP 43% *
Humidity 72%
Fri, 18th
Stillwell IL Weather - Friday, Sep 18, 2026 - Sunny
Hi: 91°F 33°C
Lo: 70°F 21°C
Sunrise 06:49 AM
Sunset 07:08 PM
Wind SSE 8 mph12 km/h
Dew Point 71°F22°C
uv Index 7
Barometric Pressure 30.09 in1019 mb
POP 4% *
Humidity 65%
Sat, 19th
Stillwell IL Weather - Saturday, Sep 19, 2026 - Cloudy
Hi: 95°F 35°C
Lo: 76°F 24°C
Sunrise 06:50 AM
Sunset 07:07 PM
Wind SW 11 mph18 km/h
Dew Point 59°F15°C
uv Index 7
Barometric Pressure 29.85 in1011 mb
POP 7% *
Humidity 36%
Sun, 20th
Stillwell IL Weather - Sunday, Sep 20, 2026 - Patchy Rain Nearby
Hi: 89°F 32°C
Lo: 71°F 22°C
Sunrise 06:51 AM
Sunset 07:05 PM
Wind SW 7 mph12 km/h
Dew Point 66°F19°C
uv Index 6
Barometric Pressure 29.83 in1010 mb
POP 6% *
Humidity 56%
Mon, 21st
Stillwell IL Weather - Monday, Sep 21, 2026 - Overcast
Hi: 73°F 23°C
Lo: 66°F 19°C
Sunrise 06:51 AM
Sunset 07:03 PM
Wind W 5 mph8 km/h
Dew Point 65°F18°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 24% *
Humidity 81%
Tue, 22nd
Stillwell IL Weather - Tuesday, Sep 22, 2026 - Overcast
Hi: 73°F 23°C
Lo: 60°F 16°C
Sunrise 06:52 AM
Sunset 07:02 PM
Wind NW 9 mph14 km/h
Dew Point 57°F14°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 15% *
Humidity 63%
Wed, 23rd
Stillwell IL Weather - Wednesday, Sep 23, 2026 - Overcast
Hi: 70°F 21°C
Lo: 59°F 15°C
Sunrise 06:53 AM
Sunset 07:00 PM
Wind NNE 5 mph9 km/h
Dew Point 55°F13°C
uv Index 4
Barometric Pressure 30 in1016 mb
POP 16% *
Humidity 66%
Thu, 24th
Stillwell IL Weather - Thursday, Sep 24, 2026 - Overcast
Hi: 82°F 28°C
Lo: 58°F 14°C
Sunrise 06:54 AM
Sunset 06:58 PM
Wind W 6 mph9 km/h
Dew Point 52°F11°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 3% *
Humidity 47%
Fri, 25th
Stillwell IL Weather - Friday, Sep 25, 2026 - Sunny
Hi: 68°F 20°C
Lo: 48°F 9°C
Sunrise 06:55 AM
Sunset 06:57 PM
Wind N 12 mph19 km/h
Dew Point 38°F3°C
uv Index 5
Barometric Pressure 30.18 in1022 mb
POP 1% *
Humidity 40%
Sat, 26th
Stillwell IL Weather - Saturday, Sep 26, 2026 - Sunny
Hi: 69°F 21°C
Lo: 48°F 9°C
Sunrise 06:56 AM
Sunset 06:55 PM
Wind NNE 9 mph14 km/h
Dew Point 42°F6°C
uv Index 5
Barometric Pressure 30.3 in1026 mb
POP 1% *
Humidity 45%
Sun, 27th
Stillwell IL Weather - Sunday, Sep 27, 2026 - Sunny
Hi: 68°F 20°C
Lo: 47°F 8°C
Sunrise 06:57 AM
Sunset 06:53 PM
Wind ENE 9 mph15 km/h
Dew Point 40°F4°C
uv Index 5
Barometric Pressure 30.42 in1030 mb
POP 1% *
Humidity 44%
Mon, 28th
Stillwell IL Weather - Monday, Sep 28, 2026 - Sunny
Hi: 72°F 22°C
Lo: 48°F 9°C
Sunrise 06:58 AM
Sunset 06:52 PM
Wind ENE 4 mph6 km/h
Dew Point 44°F7°C
uv Index 5
Barometric Pressure 30.33 in1027 mb
POP 1% *
Humidity 46%
* POP = Probability of Precipitation. Data for 12:00 PM.