Weather Alert
Roscoe Weather Warning NWS WEATHER ALERT FOR THE ROSCOE, IL AREA - Issued: 1148 AM CDT Fri Sep 4 2026 Roscoe Weather Warning

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Roscoe, IL Weather Forecast

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Roscoe, IL Weather Forecast

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Roscoe IL weather - Partly Cloudy - 87°F
Partly Cloudy
87°F
Updated 3:04 pm
Feels Like 105°F
Humidity 66%
Wind SSW 12 mph
Barometer  29.9 in
Dew Point 75°F
Roscoe IL weather - Partly Cloudy - 31°C
Partly Cloudy
31°C
Updated 3:04 pm
Feels Like 41°C
Humidity 66%
Wind SSW 19 km/h
Barometer  101.3 kPa
Dew Point 24°C
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Roscoe Weather Forecast

THIS AFTERNOON TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT LABOR DAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT
Roscoe, IL Weather - This Afternoon Chance Of T-Storm Roscoe, IL Weather - Tonight Chance Of T-Storm Roscoe, IL Weather - Saturday Patchy Fog Roscoe, IL Weather - Saturday Night Partly Cloudy Roscoe, IL Weather - Sunday Partly Cloudy Roscoe, IL Weather - Sunday Night Partly Cloudy Roscoe, IL Weather - Labor Day Partly Cloudy Roscoe, IL Weather - Monday Night Partly Cloudy Roscoe, IL Weather - Tuesday Mostly Cloudy Roscoe, IL Weather - Tuesday Night Chance Of Showers Roscoe, IL Weather - Wednesday Partly Cloudy Roscoe, IL Weather - Wednesday Night Clearing
Chance of T-Storm Chance of T-Storm Patchy Fog Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Chance of Showers Partly Cloudy Clearing
Hi: 91°FHi: 33°C
 Lo: 71°FLo: 22°C Hi: 85°FHi: 29°C
 Lo: 61°FLo: 16°C Hi: 81°FHi: 27°C
 Lo: 59°FLo: 15°C Hi: 81°FHi: 27°C
 Lo: 61°FLo: 16°C Hi: 89°FHi: 32°C
 Lo: 70°FLo: 21°C Hi: 89°FHi: 32°C
 Lo: 61°FLo: 16°C
POP: 20% POP: 20% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 120 PM CDT Fri Sep 04 2026 Roscoe, IL Weather - WeatherWorld.com

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Issued: 1256 PM 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...