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Boulder, IL Weather Forecast

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Boulder, IL Weather Forecast

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Boulder IL weather - Clear - 47°F
Clear
47°F
Updated 5:42 am
Feels Like 52°F
Humidity 97%
Wind N/A N/A mph
Barometer  30.24 in
Dew Point 47°F
Boulder IL weather - Clear - 8°C
Clear
8°C
Updated 5:42 am
Feels Like 11°C
Humidity 97%
Wind N/A 0 km/h
Barometer  102.4 kPa
Dew Point 8°C
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Boulder Weather Forecast

TODAY TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT
Boulder, IL Weather - Today Sunny Boulder, IL Weather - Tonight Clear Boulder, IL Weather - Thursday Sunny Boulder, IL Weather - Thursday Night Partly Cloudy Boulder, IL Weather - Friday Mostly Sunny Boulder, IL Weather - Friday Night Mostly Cloudy Boulder, IL Weather - Saturday Mostly Cloudy Boulder, IL Weather - Saturday Night Chance Of Showers Boulder, IL Weather - Sunday Chance Of Showers Boulder, IL Weather - Sunday Night Chance Of Showers Boulder, IL Weather - Monday Chance Of Showers Boulder, IL Weather - Monday Night Chance Of Showers
Sunny Clear Sunny Partly Cloudy Mostly Sunny Mostly Cloudy Mostly Cloudy Chance of Showers Chance of Showers Chance of Showers Chance of Showers Chance of Showers
Hi: 79°FHi: 26°C
 Lo: 51°FLo: 11°C Hi: 81°FHi: 27°C
 Lo: 55°FLo: 13°C Hi: 79°FHi: 26°C
 Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C		 Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C		 Hi: 71°FHi: 22°C
Lo: 55°FLo: 13°C		 Hi: 71°FHi: 22°C
Lo: 55°FLo: 13°C		 Lo: 51°FLo: 11°C Hi: 71°FHi: 22°C
 Lo: 55°FLo: 13°C
POP: 50% POP: 50% POP: 20% POP: 40% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 459 AM CDT Wed Oct 28 2026 Boulder, IL Weather - WeatherWorld.com

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Issued: 309 AM CDT Wed Oct 28 2026

Key Messages

  • Warm and dry conditions are expected through Thursday.
  • Chances of light rain showers increase this weekend, but better chances of a widespread beneficial rain event come early/mid next week.

Aviation

/00Z TAFS THROUGH 06Z THURSDAY/... Issued at 1028 PM CDT Tue Oct 27 2026

Mainly dry and VFR conditions are expected through the period with southerly winds under 10 knots.


Watches / Warnings / Advisories

/WARNINGS/ADVISORIES... MO...None. IL...None.