Local Forecast

Colchester, IL Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Colchester, IL.

Active Alerts 2 active

Hour-by-Hour  Current Observation

Sunday 11:10 AM CDTSunday 11:10 AM

°F °C
Regional Observations →
82°F

Partly Cloudy

  • 91° / 75° High / Low
  • 89° Feels Like
  • 0% Chance of Rain

Wind

13 mph

G 18 mph

SSE

UV Index

9

Very High

Humidity

79%

Dew 75°F

Sun

5:34 AM · 8:37 PM

Rise · Set

Source: BURLINGTON (KBRL). Slider scrubs the next 12 hours.

5-Day Outlook

Through Thursday

Local Radar →

Today

91° 75°

Isolated T-storm

Overnight: Partly Cloudy

Detailed forecast

Today

Patchy fog and a slight chance of showers and thunderstorms before 10am. Mostly sunny, with a high near 90. Heat index values as high as 102. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Night

Mostly clear, with a low around 75. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 25 mph.

Monday

93° 77°

Mostly Cloudy

Overnight: Mostly Clear

Detailed forecast

Monday

Mostly sunny, with a high near 92. Heat index values as high as 103. South wind 10 to 15 mph, with gusts as high as 25 mph.

Night

Mostly clear, with a low around 76.

Tuesday

95° 75°

Sunny

Overnight: Mostly Clear

Detailed forecast

Tuesday

Sunny, with a high near 94.

Night

Clear, with a low around 75.

Wednesday

93° 75°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Wednesday

Sunny, with a high near 94.

Night

Mostly clear, with a low around 75.

Thursday

93° 75°

Isolated T-storm

Overnight: Partly Cloudy

Detailed forecast

Thursday

A slight chance of showers and thunderstorms after 7am. Sunny, with a high near 94.

Night

A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 75.

Colchester, IL Weather Analysis Tools