Weather Alert
Newton Weather Warning NWS WEATHER ALERT FOR THE NEWTON, IL AREA - Issued: 407 AM CDT Mon Sep 21 2026 Newton Weather Warning

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Newton, IL Weather Forecast

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Newton, IL Weather Forecast

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Newton IL weather - Overcast - 67°F
Overcast
67°F
Updated 11:40 am
Feels Like 67°F
Humidity 100%
Wind NNE 7 mph
Barometer  30.03 in
Dew Point 67°F
Newton IL weather - Overcast - 20°C
Overcast
20°C
Updated 11:40 am
Feels Like 20°C
Humidity 100%
Wind NNE 11 km/h
Barometer  101.6 kPa
Dew Point 20°C
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Newton Weather Forecast

REST OF TODAY TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY FRIDAY SATURDAY SUNDAY
Newton, IL Weather - Rest Of Today Chance Of Showers Newton, IL Weather - Tonight Mostly Cloudy Newton, IL Weather - Tuesday Partly Sunny Newton, IL Weather - Tuesday Night Mostly Cloudy Newton, IL Weather - Wednesday Mostly Sunny Newton, IL Weather - Wednesday Night Partly Cloudy Newton, IL Weather - Thursday Partly Cloudy Newton, IL Weather - Friday Partly Cloudy Newton, IL Weather - Saturday Partly Cloudy Newton, IL Weather - Sunday Partly Cloudy
Chance of Showers Mostly Cloudy Partly Sunny Mostly Cloudy Mostly Sunny Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Hi: 75°FHi: 24°C
 Lo: 59°FLo: 15°C Hi: 71°FHi: 22°C
 Lo: 55°FLo: 13°C Hi: 71°FHi: 22°C
 Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C		 Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C		 Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C		 Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C		 Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C
POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 1037 AM CDT Mon Sep 21 2026 Newton, IL Weather - WeatherWorld.com

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Issued: 533 AM CDT Mon Sep 21 2026

Key Messages

  • Much cooler weather will prevail this week as high temperatures only reach the 60s and lower 70s everywhere north of I-70 today through Wednesday.

Discussion

... Issued at 301 AM CDT Mon Sep 21 2026

07z/2am surface analysis shows a slow-moving cold front extending from West Virginia to southern Missouri while a 1030mb high pressure is anchored over Ontario. An influx of cooler/drier air from the northeast has led to mostly dry conditions north of the I-72 corridor early this morning. Ho...