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Rollo, IL Weather Forecast

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Rollo, IL Weather Forecast

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Rollo IL weather - Clear - 75°F
Clear
75°F
Updated 9:46 pm
Feels Like 77°F
Humidity 83%
Wind ENE 12 mph
Barometer  30 in
Dew Point 69°F
Rollo IL weather - Clear - 24°C
Clear
24°C
Updated 9:46 pm
Feels Like 25°C
Humidity 83%
Wind ENE 19 km/h
Barometer  101.6 kPa
Dew Point 21°C
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Rollo Weather Forecast

TONIGHT SUNDAY SUNDAY NIGHT LABOR DAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY
Rollo, IL Weather - Tonight Partly Cloudy Rollo, IL Weather - Sunday Partly Cloudy Rollo, IL Weather - Sunday Night Clearing Rollo, IL Weather - Labor Day Mostly Sunny Rollo, IL Weather - Monday Night Mostly Clear Rollo, IL Weather - Tuesday Partly Cloudy Rollo, IL Weather - Tuesday Night Partly Cloudy Rollo, IL Weather - Wednesday Chance Of T-Storm Rollo, IL Weather - Wednesday Night Partly Cloudy Rollo, IL Weather - Thursday Partly Cloudy Rollo, IL Weather - Thursday Night Clearing Rollo, IL Weather - Friday Partly Cloudy
Partly Cloudy Partly Cloudy Clearing Mostly Sunny Mostly Clear Partly Cloudy Partly Cloudy Chance of T-Storm Partly Cloudy Partly Cloudy Clearing Partly Cloudy
Lo: 65°FLo: 18°C Hi: 81°FHi: 27°C
 Lo: 60°FLo: 16°C Hi: 81°FHi: 27°C
 Lo: 61°FLo: 16°C Hi: 89°FHi: 32°C
 Lo: 71°FLo: 22°C Hi: 89°FHi: 32°C
 Lo: 65°FLo: 18°C Hi: 81°FHi: 27°C
 Lo: 60°FLo: 16°C Hi: 81°FHi: 27°C
POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 736 PM CDT Sat Sep 05 2026 Rollo, IL Weather - WeatherWorld.com

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Issued: 850 PM CDT Sat Sep 5 2026

Key Messages

  • Moderate to high swim risk expected through early Sunday during the final weekend of beach season.
  • Relatively cooler Sunday and Monday, although remaining seasonably warm.

Discussion

... Issued at 137 PM CDT Sat Sep 5 2026

After an unseasonably hot and humid stretch to start September, cooler conditions are beginning to filter over the area from north to south today. Moisture pooling along a cold front draped across the southern CWA combined with temps in the lower 90s south of the fron...