Dupo, IL Weather Forecast

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Dupo, IL Weather Forecast

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Dupo IL weather  - Fog - 67°F
Fog
67°F
Updated 3:32 am
Feels Like 79°F
Humidity 100%
Wind N 0 mph
Barometer  29.97 in
Dew Point 67°F
Dupo IL weather  - Fog - 19°C
Fog
19°C
Updated 3:32 am
Feels Like 26°C
Humidity 100%
Wind N 0 km/h
Barometer  101.4 kPa
Dew Point 19°C

Dupo Weather Forecast

TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY
Dupo, IL Weather - Tonight Patchy Fog Dupo, IL Weather - Friday Chance Of Showers Dupo, IL Weather - Friday Night Partly Cloudy Dupo, IL Weather - Saturday Mostly Sunny Dupo, IL Weather - Saturday Night Partly Cloudy Dupo, IL Weather - Sunday Chance Of T-Storm Dupo, IL Weather - Sunday Night Partly Cloudy Dupo, IL Weather - Monday Mostly Clear Dupo, IL Weather - Monday Night Mostly Clear Dupo, IL Weather - Tuesday Chance Of T-Storm Dupo, IL Weather - Tuesday Night Chance Of T-Storm Dupo, IL Weather - Wednesday Chance Of T-Storm
Patchy Fog Chance of Showers Partly Cloudy Mostly Sunny Partly Cloudy Chance of T-Storm Partly Cloudy Mostly Clear Mostly Clear Chance of T-Storm Chance of T-Storm Chance of T-Storm
Lo: 69°FLo: 21°C Hi: 81°FHi: 27°C
Lo: 69°FLo: 21°C Hi: 90°FHi: 32°C
Lo: 69°FLo: 21°C Hi: 89°FHi: 32°C
Lo: 69°FLo: 21°C Hi: 91°FHi: 33°C
Lo: 70°FLo: 21°C
Hi: 91°FHi: 33°C
Lo: 70°FLo: 21°C
Hi: 91°FHi: 33°C
Lo: 69°FLo: 21°C Hi: 89°FHi: 32°C
Lo: 65°FLo: 18°C
POP: 20% POP: 20% POP: 30% POP: 40% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 1002 PM CDT Thu Sep 10 2026 Dupo, IL Weather - WeatherWorld.com

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Issued: 200 AM CDT Fri Sep 11 2026

Key Messages

  • Fog is expected in places overnight, particularly in central/northeast Missouri. Visibilites of 1 mile or less may be observed.
  • Slowly increasing temperatures are expected tomorrow through early next week, reaching seasonable, but slightly above average values.
  • Occasional chances (20-30%) for showers exist this weekend through early next week, but largely dry conditions are expected until Tuesday onward.

Aviation

/06Z TAFS THROUGH 12Z SATURDAY/... Issued at 200 AM CDT Fri Sep 11 2026

De...