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Atlas IL Weather - Clear - 83°F
Clear
83°F
Updated 5:15 pm
Feels Like 76°F
Humidity 31%
Wind S 10 mph
Barometer  29.93 in
Dew Point 50°F
Atlas IL Weather - Clear - 28°C
Clear
28°C
Updated 5:15 pm
Feels Like 24°C
Humidity 31%
Wind S 16 km/h
Barometer  101.3 kPa
Dew Point 10°C
Atlas, IL Weather and Current Conditionsatlas il weather forecast

Atlas, IL Weather Forecast

Atlas Illinois WeatherAtlas, Illinois Weather Weather Forecast
14 Day API Atlas, IL Weather Forecast. Note: Our 7 day Atlas, 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.
Atlas, IL Weather Forecast Dated: 515 PM Tue Sep 29 2026
Expect a mild stretch with plenty of sunshine and mostly dry weather over the coming period. moderate humidity and a stable pattern will dominate.

Tuesday, September 29, 2026

Mid-Morning
Atlas Weather - 2026-09-29 - Morning - Cloudy
64°F 18°C
Cloudy
Mid-Afternoon
Atlas Weather - 2026-09-29 - Afternoon - Cloudy
83°F 28°C
Cloudy
Early-Evening
Atlas Weather - 2026-09-29 - Evening - Overcast
77°F 25°C
Overcast
Warm and summery near 83°F 28°C, cloudy through the afternoon, turning overcast this evening, with steady humidity and barometric pressure falling. Winds turning from the SSE to the SE at 9 mph 14 km/h.

Wednesday, September 30, 2026

Mid-Morning
Atlas Weather - 2026-09-30 - Morning - Overcast
72°F 22°C
Overcast
Mid-Afternoon
Atlas Weather - 2026-09-30 - Afternoon - Overcast
86°F 30°C
Overcast
Early-Evening
Atlas Weather - 2026-09-30 - Evening - Overcast
80°F 27°C
Overcast
Balmy with temperatures reaching 86°F 30°C, overcast throughout the day, with steady humidity and steady pressure. Winds switching from the S to the ENE at 6 mph 10 km/h.

Thursday, October 1, 2026

Mid-Morning
Atlas Weather - 2026-10-01 - Morning - Scattered Showers
72°F 22°C
Scattered Showers
Mid-Afternoon
Atlas Weather - 2026-10-01 - Afternoon - Scattered Showers
76°F 24°C
Scattered Showers
Early-Evening
Atlas Weather - 2026-10-01 - Evening - Scattered Showers
71°F 22°C
Scattered Showers
Enjoyable around 76°F 24°C, locally heavy downpours at times, with increasing humidity and steady pressure. Winds moving from the NNE to the NNW at 10 mph 16 km/h.

Friday, October 2, 2026

Mid-Morning
Atlas Weather - 2026-10-02 - Morning - Cloudy
58°F 14°C
Cloudy
Mid-Afternoon
Atlas Weather - 2026-10-02 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
Atlas Weather - 2026-10-02 - Evening - Sunny
64°F 18°C
Sunny
Mild temperatures up to 72°F 22°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds swinging from the NNE to the NE at 10 mph 17 km/h. Gusts up to 23 mph 36 km/h.

Saturday, October 3, 2026

Mid-Morning
Atlas Weather - 2026-10-03 - Morning - Sunny
55°F 13°C
Sunny
Mid-Afternoon
Atlas Weather - 2026-10-03 - Afternoon - Sunny
75°F 24°C
Sunny
Early-Evening
Atlas Weather - 2026-10-03 - Evening - Sunny
68°F 20°C
Sunny
Mild with a high of 75°F 24°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds shifting from the E to the NE at 5 mph 7 km/h.

Sunday, October 4, 2026

Mid-Morning
Atlas Weather - 2026-10-04 - Morning - Sunny
60°F 16°C
Sunny
Mid-Afternoon
Atlas Weather - 2026-10-04 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
Atlas Weather - 2026-10-04 - Evening - Sunny
63°F 17°C
Sunny
Pleasant near 72°F 22°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the SE to the NNE at 12 mph 19 km/h. Gusts up to 24 mph 38 km/h.

Monday, October 5, 2026

Mid-Morning
Atlas Weather - 2026-10-05 - Morning - Sunny
53°F 11°C
Sunny
Mid-Afternoon
Atlas Weather - 2026-10-05 - Afternoon - Sunny
66°F 19°C
Sunny
Early-Evening
Atlas Weather - 2026-10-05 - Evening - Sunny
58°F 15°C
Sunny
Comfortable at 66°F 19°C, sunny throughout the day, with lower humidity and steady pressure. Winds switching from the NE to the ENE at 9 mph 14 km/h.

Tuesday, October 6, 2026

Mid-Morning
Atlas Weather - 2026-10-06 - Morning - Sunny
52°F 11°C
Sunny
Mid-Afternoon
Atlas Weather - 2026-10-06 - Afternoon - Partly Cloudy
69°F 20°C
Partly Cloudy
Early-Evening
Atlas Weather - 2026-10-06 - Evening - Partly Cloudy
61°F 17°C
Partly Cloudy
Enjoyable around 69°F 20°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds moving from the ESE to the SE at 7 mph 12 km/h.

Wednesday, October 7, 2026

Mid-Morning
Atlas Weather - 2026-10-07 - Morning - Overcast
63°F 17°C
Overcast
Mid-Afternoon
Atlas Weather - 2026-10-07 - Afternoon - Partly Cloudy
78°F 26°C
Partly Cloudy
Early-Evening
Atlas Weather - 2026-10-07 - Evening - Overcast
69°F 21°C
Overcast
Mild temperatures up to 78°F 26°C, partly cloudy in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds swinging from the SSW to the NW at 9 mph 14 km/h.

Thursday, October 8, 2026

Mid-Morning
Atlas Weather - 2026-10-08 - Morning - Cloudy
60°F 15°C
Cloudy
Mid-Afternoon
Atlas Weather - 2026-10-08 - Afternoon - Overcast
71°F 22°C
Overcast
Early-Evening
Atlas Weather - 2026-10-08 - Evening - Overcast
62°F 17°C
Overcast
Mild with a high of 71°F 22°C, partly cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds shifting from the SE to the NNE at 10 mph 17 km/h. Gusts up to 22 mph 35 km/h.

Friday, October 9, 2026

Mid-Morning
Atlas Weather - 2026-10-09 - Morning - Sunny
55°F 13°C
Sunny
Mid-Afternoon
Atlas Weather - 2026-10-09 - Afternoon - Sunny
69°F 21°C
Sunny
Early-Evening
Atlas Weather - 2026-10-09 - Evening - Partly Cloudy
62°F 16°C
Partly Cloudy
Pleasant near 69°F 21°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds turning from the ENE to the E at 7 mph 10 km/h.

Saturday, October 10, 2026

Mid-Morning
Atlas Weather - 2026-10-10 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Atlas Weather - 2026-10-10 - Afternoon - Cloudy
78°F 25°C
Cloudy
Early-Evening
Atlas Weather - 2026-10-10 - Evening - Partly Cloudy
69°F 20°C
Partly Cloudy
Comfortable with temperatures reaching 78°F 25°C, cloudy through the afternoon, turning sunny this evening, with steady humidity and barometric pressure falling. Winds switching from the SSW to the W at 10 mph 15 km/h.

Sunday, October 11, 2026

Mid-Morning
Atlas Weather - 2026-10-11 - Morning - Sunny
51°F 11°C
Sunny
Mid-Afternoon
Atlas Weather - 2026-10-11 - Afternoon - Sunny
59°F 15°C
Sunny
Early-Evening
Atlas Weather - 2026-10-11 - Evening - Partly Cloudy
52°F 11°C
Partly Cloudy
Refreshing around 59°F 15°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the ESE to the NNE at 10 mph 16 km/h.

Monday, October 12, 2026

Mid-Morning
Atlas Weather - 2026-10-12 - Morning - Sunny
46°F 8°C
Sunny
Mid-Afternoon
Atlas Weather - 2026-10-12 - Afternoon - Sunny
60°F 16°C
Sunny
Early-Evening
Atlas Weather - 2026-10-12 - Evening - Sunny
54°F 13°C
Sunny
Mildly cool near 60°F 16°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling.

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Weather by the Numbers

Tue, 29th
Atlas IL Weather - Tuesday, Sep 29, 2026 - Overcast
Hi: 83°F 28°C
Lo: 58°F 14°C
Sunrise 06:59 AM
Sunset 06:50 PM
Wind S 9 mph15 km/h
Dew Point 44°F7°C
uv Index 5
Barometric Pressure 29.94 in1014 mb
POP 9% *
Humidity 30%
Wed, 30th
Atlas IL Weather - Wednesday, Sep 30, 2026 - Overcast
Hi: 88°F 31°C
Lo: 69°F 21°C
Sunrise 07:00 AM
Sunset 06:48 PM
Wind SW 9 mph14 km/h
Dew Point 50°F10°C
uv Index 3
Barometric Pressure 29.85 in1011 mb
POP 9% *
Humidity 32%
Thu, 1st
Atlas IL Weather - Thursday, Oct 1, 2026 - Patchy Rain Nearby
Hi: 79°F 26°C
Lo: 64°F 18°C
Sunrise 07:00 AM
Sunset 06:46 PM
Wind WNW 2 mph4 km/h
Dew Point 62°F17°C
uv Index 2
Barometric Pressure 29.85 in1011 mb
POP 20% *
Humidity 67%
Fri, 2nd
Atlas IL Weather - Friday, Oct 2, 2026 - Sunny
Hi: 72°F 22°C
Lo: 57°F 14°C
Sunrise 07:01 AM
Sunset 06:45 PM
Wind NE 12 mph19 km/h
Dew Point 45°F7°C
uv Index 6
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 46%
Sat, 3rd
Atlas IL Weather - Saturday, Oct 3, 2026 - Sunny
Hi: 75°F 24°C
Lo: 49°F 10°C
Sunrise 07:02 AM
Sunset 06:43 PM
Wind E 8 mph13 km/h
Dew Point 42°F5°C
uv Index 5
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 37%
Sun, 4th
Atlas IL Weather - Sunday, Oct 4, 2026 - Sunny
Hi: 72°F 22°C
Lo: 53°F 12°C
Sunrise 07:03 AM
Sunset 06:42 PM
Wind N 11 mph18 km/h
Dew Point 48°F9°C
uv Index 6
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 47%
Mon, 5th
Atlas IL Weather - Monday, Oct 5, 2026 - Sunny
Hi: 67°F 19°C
Lo: 46°F 8°C
Sunrise 07:04 AM
Sunset 06:40 PM
Wind ENE 10 mph16 km/h
Dew Point 31°F-1°C
uv Index 5
Barometric Pressure 30.39 in1029 mb
POP 1% *
Humidity 32%
Tue, 6th
Atlas IL Weather - Tuesday, Oct 6, 2026 - Sunny
Hi: 69°F 21°C
Lo: 44°F 7°C
Sunrise 07:05 AM
Sunset 06:38 PM
Wind SE 12 mph19 km/h
Dew Point 28°F-2°C
uv Index 5
Barometric Pressure 30.24 in1024 mb
POP 2% *
Humidity 28%
Wed, 7th
Atlas IL Weather - Wednesday, Oct 7, 2026 - Sunny
Hi: 79°F 26°C
Lo: 55°F 13°C
Sunrise 07:06 AM
Sunset 06:37 PM
Wind WSW 8 mph13 km/h
Dew Point 38°F3°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 28%
Thu, 8th
Atlas IL Weather - Thursday, Oct 8, 2026 - Sunny
Hi: 71°F 22°C
Lo: 52°F 11°C
Sunrise 07:07 AM
Sunset 06:35 PM
Wind NNE 10 mph17 km/h
Dew Point 39°F4°C
uv Index 6
Barometric Pressure 30.24 in1024 mb
POP 6% *
Humidity 35%
Fri, 9th
Atlas IL Weather - Friday, Oct 9, 2026 - Sunny
Hi: 70°F 21°C
Lo: 48°F 9°C
Sunrise 07:08 AM
Sunset 06:34 PM
Wind ENE 9 mph14 km/h
Dew Point 37°F3°C
uv Index 5
Barometric Pressure 30.36 in1028 mb
POP 1% *
Humidity 37%
Sat, 10th
Atlas IL Weather - Saturday, Oct 10, 2026 - Overcast
Hi: 79°F 26°C
Lo: 49°F 9°C
Sunrise 07:09 AM
Sunset 06:32 PM
Wind SW 11 mph18 km/h
Dew Point 31°F-0°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 8% *
Humidity 24%
Sun, 11th
Atlas IL Weather - Sunday, Oct 11, 2026 - Sunny
Hi: 62°F 16°C
Lo: 45°F 7°C
Sunrise 07:10 AM
Sunset 06:31 PM
Wind WSW 16 mph25 km/h
Dew Point 27°F-3°C
uv Index 4
Barometric Pressure 30.18 in1022 mb
POP 1% *
Humidity 32%
Mon, 12th
Atlas IL Weather - Monday, Oct 12, 2026 - Partly Cloudy
Hi: 61°F 16°C
Lo: 40°F 4°C
Sunrise 07:11 AM
Sunset 06:29 PM
Wind SE 6 mph9 km/h
Dew Point 28°F-2°C
uv Index 4
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 37%
* POP = Probability of Precipitation. Data for 12:00 PM.