Augusta, IL Weather Forecast

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Augusta, IL Weather Forecast

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Augusta IL weather  - Overcast - 77°F
Overcast
77°F
Updated 1:17 pm
Feels Like 80°F
Humidity 77%
Wind WNW 8 mph
Barometer  29.91 in
Dew Point 69°F
Augusta IL weather  - Overcast - 25°C
Overcast
25°C
Updated 1:17 pm
Feels Like 27°C
Humidity 77%
Wind WNW 13 km/h
Barometer  101.3 kPa
Dew Point 21°C

Augusta Weather Forecast

REST OF TODAY TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY THURSDAY FRIDAY FRIDAY NIGHT SATURDAY
Augusta, IL Weather - Rest Of Today Chance Of T-Storm Augusta, IL Weather - Tonight Chance Of T-Storm Augusta, IL Weather - Monday Chance Of Showers Augusta, IL Weather - Monday Night Chance Of Showers Augusta, IL Weather - Tuesday Mostly Cloudy Augusta, IL Weather - Tuesday Night Partly Cloudy Augusta, IL Weather - Wednesday Partly Cloudy Augusta, IL Weather - Thursday Mostly Cloudy Augusta, IL Weather - Friday Mostly Cloudy Augusta, IL Weather - Friday Night Partly Cloudy Augusta, IL Weather - Saturday Partly Sunny
Chance of T-Storm Chance of T-Storm Chance of Showers Chance of Showers Mostly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Sunny
Hi: 79°FHi: 26°C
Lo: 61°FLo: 16°C Hi: 69°FHi: 21°C
Lo: 59°FLo: 15°C Hi: 65°FHi: 18°C
Hi: 69°FHi: 21°C
Lo: 51°FLo: 11°C
Hi: 69°FHi: 21°C
Lo: 51°FLo: 11°C
Hi: 70°FHi: 21°C
Lo: 55°FLo: 13°C
Hi: 70°FHi: 21°C
Lo: 55°FLo: 13°C
Lo: 55°FLo: 13°C Hi: 71°FHi: 22°C
POP: 50% POP: 50% POP: 40% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 931 AM CDT Sun Sep 20 2026 Augusta, IL Weather - WeatherWorld.com

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Meteorlogic Glosserator
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Issued: 1210 PM CDT Sun Sep 20 2026

Key Messages

  • The widespread heavy rains are over, though a small upper low will continue to spin near our local area with showers, weak thunderstorms and most certainly cool cloudy conditions. through Tuesday morning.
  • Expectations for several beautiful early Fall days are growing for mid week, with highs in the 60s and lows in the 40s-50s.

Aviation

/18Z TAFS THROUGH 18Z MONDAY/... Issued at 1207 PM CDT Sun Sep 20 2026

Persistent MVFR cigs will continue as an upper low and surface low remain nearby t...