Diamond, IL Weather Forecast

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Diamond, IL Weather Forecast

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Diamond IL weather  - Overcast - 66°F
Overcast
66°F
Updated 5:21 pm
Feels Like 62°F
Humidity 58%
Wind ENE 5 mph
Barometer  30.26 in
Dew Point 51°F
Diamond IL weather  - Overcast - 19°C
Overcast
19°C
Updated 5:21 pm
Feels Like 17°C
Humidity 58%
Wind ENE 8 km/h
Barometer  102.4 kPa
Dew Point 10°C

Diamond Weather Forecast

THIS AFTERNOON TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT
Diamond, IL Weather - This Afternoon Mostly Cloudy Diamond, IL Weather - Tonight Clearing Diamond, IL Weather - Saturday Partly Cloudy Diamond, IL Weather - Saturday Night Partly Cloudy Diamond, IL Weather - Sunday Partly Cloudy Diamond, IL Weather - Sunday Night Partly Cloudy Diamond, IL Weather - Monday Mostly Sunny Diamond, IL Weather - Monday Night Mostly Clear Diamond, IL Weather - Tuesday Partly Cloudy Diamond, IL Weather - Tuesday Night Chance Of Showers Diamond, IL Weather - Wednesday Showers Diamond, IL Weather - Wednesday Night Showers
Mostly Cloudy Clearing Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Sunny Mostly Clear Partly Cloudy Chance of Showers Showers Showers
Hi: 69°FHi: 21°C
Lo: 50°FLo: 10°C Hi: 71°FHi: 22°C
Lo: 51°FLo: 11°C Hi: 71°FHi: 22°C
Lo: 51°FLo: 11°C Hi: 75°FHi: 24°C
Lo: 51°FLo: 11°C Hi: 75°FHi: 24°C
Lo: 61°FLo: 16°C Hi: 71°FHi: 22°C
Lo: 61°FLo: 16°C
POP: 50% POP: 60% POP: 60%
POP = Probability of Precipitation.
Weather Outlook Updated: 121 PM CDT Fri Sep 25 2026 Diamond, IL Weather - WeatherWorld.com

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Issued: 1244 PM CDT Fri Sep 25 2026

Key Messages

  • Near to slightly below normal temperatures are forecasted over the next several days.
  • The next chance for a widespread soaking rainfall won`t come until at least the middle of next week.

Discussion

... Issued at 1244 PM CDT Fri Sep 25 2026

Over the next few days, a deepening coastal low along the northeastern seaboard on the eastern flank of an upper-level ridge over Upper Midwest will reinforce a Rex-like blocking pattern across the Great Lakes. As a result, relatively quiescent condit...