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August and Meteorological Summer 2026 Climate Summaries

Hazardous Weather Conditions

Current conditions at

Rantoul National Aviation Center Airport (KTIP)

Lat: 40.29°NLon: 88.15°WElev: 732ft.

Fair

88°F

31°C

Humidity	65%
Wind Speed	W 8 mph
Barometer	30.03 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	98°F (37°C)
Last update	2 Sep 11:15 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Gibson IL

Heat Advisory September 2, 12:00pm until September 2, 09:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 93 °F
Sunny
Tonight
Low: 74 °F
Mostly Clear
Thursday
High: 93 °F
Sunny
Thursday Night
Low: 74 °F
Mostly Clear
Friday
High: 93 °F
Slight Chance
T-storms
Friday Night
Low: 73 °F
Partly Cloudy
then Chance
T-storms
Saturday
High: 88 °F
Chance
T-storms
Saturday Night
Low: 68 °F
Partly Cloudy
Sunday
High: 85 °F
Mostly Sunny

Detailed Forecast

Today

Sunny, with a high near 93. Heat index values as high as 103. Southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

Tonight

Mostly clear, with a low around 74. South wind around 5 mph, with gusts as high as 15 mph.

Thursday

Sunny, with a high near 93. Heat index values as high as 103. West southwest wind 5 to 10 mph.

Thursday Night

Mostly clear, with a low around 74. Calm wind becoming south southwest around 5 mph after midnight.

Friday

A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 93. West southwest wind around 5 mph.

Friday Night

A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.

Saturday

A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 88.