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Atwater, IL Weather Forecast

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Atwater, IL Weather Forecast

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Atwater IL weather - Clear - 68°F
Clear
68°F
Updated 12:40 pm
Feels Like 63°F
Humidity 45%
Wind N 0 mph
Barometer  30.37 in
Dew Point 46°F
Atwater IL weather - Clear - 20°C
Clear
20°C
Updated 12:40 pm
Feels Like 17°C
Humidity 45%
Wind N 0 km/h
Barometer  102.8 kPa
Dew Point 8°C
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Atwater Weather Forecast

TODAY TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT
Atwater, IL Weather - Today Sunny Atwater, IL Weather - Tonight Mostly Clear Atwater, IL Weather - Wednesday Sunny Atwater, IL Weather - Wednesday Night Mostly Clear Atwater, IL Weather - Thursday Sunny Atwater, IL Weather - Thursday Night Clear Atwater, IL Weather - Friday Sunny Atwater, IL Weather - Friday Night Partly Cloudy Atwater, IL Weather - Saturday Partly Cloudy Atwater, IL Weather - Saturday Night Partly Cloudy Atwater, IL Weather - Sunday Mostly Sunny Atwater, IL Weather - Sunday Night Mostly Cloudy
Sunny Mostly Clear Sunny Mostly Clear Sunny Clear Sunny Partly Cloudy Partly Cloudy Partly Cloudy Mostly Sunny Mostly Cloudy
Hi: 71°FHi: 22°C
 Lo: 45°FLo: 7°C Hi: 71°FHi: 22°C
 Lo: 45°FLo: 7°C Hi: 75°FHi: 24°C
 Lo: 49°FLo: 9°C Hi: 75°FHi: 24°C
 Hi: 75°FHi: 24°C
Lo: 49°FLo: 9°C		 Hi: 75°FHi: 24°C
Lo: 49°FLo: 9°C		 Lo: 50°FLo: 10°C Hi: 75°FHi: 24°C
 Hi: 71°FHi: 22°C
Lo: 49°FLo: 9°C
POP = Probability of Precipitation.
Weather Outlook Updated: 759 AM CDT Tue Oct 20 2026 Atwater, IL Weather - WeatherWorld.com

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Issued: 1211 PM CDT Tue Oct 20 2026

Key Messages

  • Dry and seasonably warm conditions will persist through the end of the week.

Aviation

/18Z TAFS THROUGH 00Z THURSDAY/... Issued at 1204 PM CDT Tue Oct 20 2026

VFR flight conditions and light/variable winds are expected to continue through the period. Temperatures will be a few degrees warmer on Wednesday morning which should lead to less fog than either Monday or this morning. However, localized shallow fog is still a possibility in river vallies and other low/sheltered spots.


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