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Winfield Weather Warning NWS WEATHER ALERT FOR THE WINFIELD, IL AREA - Issued: 337 AM CDT Fri Sep 4 2026 Winfield Weather Warning

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Winfield, IL Weather Forecast

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Winfield, IL Weather Forecast

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Winfield IL weather - Partly Cloudy - 79°F
Partly Cloudy
79°F
Updated 8:31 am
Feels Like 84°F
Humidity 79%
Wind ENE 6 mph
Barometer  29.95 in
Dew Point 72°F
Winfield IL weather - Partly Cloudy - 26°C
Partly Cloudy
26°C
Updated 8:31 am
Feels Like 29°C
Humidity 79%
Wind ENE 10 km/h
Barometer  101.4 kPa
Dew Point 22°C
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Winfield Weather Forecast

TODAY TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT LABOR DAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT
Winfield, IL Weather - Today Chance Of T-Storm Winfield, IL Weather - Tonight Chance Of T-Storm Winfield, IL Weather - Saturday Partly Cloudy Winfield, IL Weather - Saturday Night Partly Cloudy Winfield, IL Weather - Sunday Partly Cloudy Winfield, IL Weather - Sunday Night Partly Cloudy Winfield, IL Weather - Labor Day Partly Cloudy Winfield, IL Weather - Monday Night Partly Cloudy Winfield, IL Weather - Tuesday Mostly Cloudy Winfield, IL Weather - Tuesday Night Chance Of Showers Winfield, IL Weather - Wednesday Mostly Cloudy Winfield, IL Weather - Wednesday Night Chance Of Showers
Chance of T-Storm Chance of T-Storm Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Chance of Showers Mostly Cloudy Chance of Showers
Hi: 95°FHi: 35°C
 Lo: 71°FLo: 22°C Hi: 85°FHi: 29°C
 Lo: 69°FLo: 21°C Hi: 81°FHi: 27°C
 Lo: 65°FLo: 18°C Hi: 81°FHi: 27°C
 Lo: 65°FLo: 18°C Hi: 85°FHi: 29°C
 Lo: 71°FLo: 22°C Hi: 89°FHi: 32°C
 Lo: 70°FLo: 21°C
POP: 20% POP: 30% POP: 30% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 736 AM CDT Fri Sep 04 2026 Winfield, IL Weather - WeatherWorld.com

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Issued: 619 AM CDT Fri Sep 4 2026

Key Messages

  • Today will be another unseasonably hot and humid day with peak afternoon heat indices of 100 to 110 degrees.
  • Gradually turning cooler and less humid this weekend, though remaining seasonably warm.
  • Moderate to high swim risk expected late Saturday into early Sunday during the final weekend of beach season.

Discussion

... Issued at 301 AM CDT Fri Sep 4 2026

An unusually strong late season mid-upper level ridge of high pressure continues to dominate the weather across much of the central a...