Dewey, IL Weather Forecast

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Dewey, IL Weather Forecast

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Dewey IL weather  - Clear - 70°F
Clear
70°F
Updated 5:20 pm
Feels Like 64°F
Humidity 35%
Wind SE 3 mph
Barometer  30.37 in
Dew Point 42°F
Dewey IL weather  - Clear - 21°C
Clear
21°C
Updated 5:20 pm
Feels Like 18°C
Humidity 35%
Wind SE 5 km/h
Barometer  102.8 kPa
Dew Point 5°C

Dewey Weather Forecast

THIS AFTERNOON TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY FRIDAY
Dewey, IL Weather - This Afternoon Partly Sunny Dewey, IL Weather - Tonight Partly Cloudy Dewey, IL Weather - Sunday Sunny Dewey, IL Weather - Sunday Night Partly Cloudy Dewey, IL Weather - Monday Mostly Sunny Dewey, IL Weather - Monday Night Partly Cloudy Dewey, IL Weather - Tuesday Mostly Cloudy Dewey, IL Weather - Tuesday Night Mostly Cloudy Dewey, IL Weather - Wednesday Mostly Sunny Dewey, IL Weather - Wednesday Night Mostly Clear Dewey, IL Weather - Thursday Mostly Clear Dewey, IL Weather - Friday Mostly Sunny
Partly Sunny Partly Cloudy Sunny Partly Cloudy Mostly Sunny Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Sunny Mostly Clear Mostly Clear Mostly Sunny
Hi: 71°FHi: 22°C
Lo: 45°FLo: 7°C Hi: 75°FHi: 24°C
Lo: 49°FLo: 9°C Hi: 75°FHi: 24°C
Lo: 49°FLo: 9°C Hi: 75°FHi: 24°C
Lo: 51°FLo: 11°C
Hi: 75°FHi: 24°C
Lo: 51°FLo: 11°C
Hi: 79°FHi: 26°C
Hi: 80°FHi: 27°C
Lo: 51°FLo: 11°C
Hi: 80°FHi: 27°C
Lo: 51°FLo: 11°C
Hi: 79°FHi: 26°C
POP = Probability of Precipitation.
Weather Outlook Updated: 147 PM CDT Sat Oct 24 2026 Dewey, IL Weather - WeatherWorld.com

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Dewey Forecast Discussion

Meteorlogic Glosserator
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Issued: 212 PM CDT Sat Oct 24 2026

Key Messages

  • No significant weather is anticipated across central Illinois over the next week.

Discussion

... Issued at 212 PM CDT Sat Oct 24 2026

18z/1pm surface analysis shows a sprawling ridge of high pressure from Quebec to the Gulf Coast. Meanwhile a 992mb low is tracking across northern Manitoba with its trailing cold front extending southward into the Plains. Despite high clouds streaming across the region from the northwest, partial sunshine has heated the dry airmass quite efficiently this ...