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Pittsburg, IL Weather Forecast

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Pittsburg, IL Weather Forecast

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Pittsburg IL weather - Mostly Clear - 60°F
Mostly Clear
60°F
Updated 8:18 pm
Feels Like 59°F
Humidity 63%
Wind N 0 mph
Barometer  30.22 in
Dew Point 48°F
Pittsburg IL weather - Mostly Clear - 16°C
Mostly Clear
16°C
Updated 8:18 pm
Feels Like 15°C
Humidity 63%
Wind N 0 km/h
Barometer  102.3 kPa
Dew Point 9°C
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Pittsburg Weather Forecast

TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY
Pittsburg, IL Weather - Tonight Clearing Pittsburg, IL Weather - Wednesday Patchy Fog Pittsburg, IL Weather - Wednesday Night Clear Pittsburg, IL Weather - Thursday Sunny Pittsburg, IL Weather - Thursday Night Partly Cloudy Pittsburg, IL Weather - Friday Mostly Cloudy Pittsburg, IL Weather - Friday Night Mostly Cloudy Pittsburg, IL Weather - Saturday Mostly Cloudy Pittsburg, IL Weather - Saturday Night Chance Of Showers Pittsburg, IL Weather - Sunday Chance Of Showers Pittsburg, IL Weather - Sunday Night Mostly Cloudy Pittsburg, IL Weather - Monday Chance Of Showers
Clearing Patchy Fog Clear Sunny Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Chance of Showers Chance of Showers Mostly Cloudy Chance of Showers
Lo: 49°FLo: 9°C Hi: 79°FHi: 26°C
 Lo: 51°FLo: 11°C Hi: 80°FHi: 27°C
 Lo: 51°FLo: 11°C Hi: 79°FHi: 26°C
Lo: 59°FLo: 15°C		 Hi: 79°FHi: 26°C
Lo: 59°FLo: 15°C		 Hi: 75°FHi: 24°C
 Lo: 55°FLo: 13°C Hi: 69°FHi: 21°C
 Lo: 55°FLo: 13°C Hi: 71°FHi: 22°C
POP: 50% POP: 50% POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 642 PM CDT Tue Oct 27 2026 Pittsburg, IL Weather - WeatherWorld.com

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Issued: 602 PM CDT Tue Oct 27 2026

Key Messages

  • Dry conditions with warm days and cool nights will continue through the work week.
  • Chances of showers return to the region this weekend, with the best chances Saturday evening into Sunday when a few thunderstorms will be possible. Additional chances will linger into early next week.

Discussion

... Issued at 138 PM CDT Tue Oct 27 2026

A weak cold front will wash out Thursday as it approaches the Quad State from the northwest, but it will lead to a surge of surface high pressure across th...