Local Forecast

Chambersburg, IL Weather Forecast & Alerts

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

Active Alerts 2 active

Hour-by-Hour  Current Observation

Sunday 10:35 AM CDTSunday 10:35 AM

°F °C
Regional Observations →
81°F

Haze

  • 91° / 75° High / Low
  • 88° Feels Like
  • 0% Chance of Rain

Wind

9 mph

SSE

UV Index

9

Very High

Humidity

85%

Dew 76°F

Sun

5:36 AM · 8:34 PM

Rise · Set

Source: MOUNT STERLING (KI63). Slider scrubs the next 12 hours.

5-Day Outlook

Through Thursday

Local Radar →

Today

91° 75°

Isolated T-storm

Overnight: Mostly Cloudy

Detailed forecast

Today

Patchy fog and a chance of showers and thunderstorms before 7am, then patchy fog and a slight chance of showers and thunderstorms between 7am and 9am. Sunny, with a high near 91. Heat index values as high as 106. Southeast wind 3 to 12 mph. Chance of precipitation is 30%.

Night

Mostly clear, with a low around 75. Heat index values as high as 105. South wind 6 to 10 mph.

Monday

93° 77°

Mostly Cloudy

Overnight: Mostly Clear

Detailed forecast

Monday

Mostly sunny, with a high near 93. Heat index values as high as 106. South wind 7 to 13 mph, with gusts as high as 21 mph.

Night

Mostly clear, with a low around 76. South wind 7 to 12 mph, with gusts as high as 21 mph.

Tuesday

95° 77°

Mostly Sunny

Overnight: Clear

Detailed forecast

Tuesday

Sunny, with a high near 95.

Night

Clear, with a low around 75.

Wednesday

95° 75°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Wednesday

Sunny, with a high near 95.

Night

Mostly clear, with a low around 76.

Thursday

93° 75°

Isolated T-storm

Overnight: Mostly Clear

Detailed forecast

Thursday

Sunny, with a high near 95.

Night

Mostly clear, with a low around 75.

Chambersburg, IL Weather Analysis Tools