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August / Summer 2026 Climate Summary and Outlook for Sept / Fall

Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

95°F

35°C

Humidity	47%
Wind Speed	SW 13 G 20 mph
Barometer	29.94 in (1012.8 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	103°F (39°C)
Last update	2 Sep 1:56 pm CDT

More Information:

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

Extended Forecast for

2 Miles WNW Wyanet IL

Extreme Heat Warning September 2, 02:53pm until September 4, 07:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning September 2, 02:53pm until September 4, 07:00pm
NOW until 7:00pm Fri
Extreme Heat Warning
This Afternoon
High: 94 °F
Sunny
Tonight
Low: 74 °F
Clear then
Slight Chance
T-storms
Thursday
High: 94 °F
Slight Chance
T-storms then
Sunny
Thursday Night
Low: 74 °F
Mostly Clear
Friday
High: 93 °F
Sunny
Friday Night
Low: 72 °F
Mostly Clear
then Chance
Showers
Saturday
High: 89 °F
Mostly Sunny
Saturday Night
Low: 69 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Sunny, with a high near 94. Heat index values as high as 101. Southwest wind around 10 mph, with gusts as high as 20 mph.

Tonight

A 10 percent chance of showers and thunderstorms after 5am. Mostly clear, with a low around 74. Southwest wind around 5 mph.

Thursday

A 10 percent chance of showers and thunderstorms before 7am. Sunny, with a high near 94. Heat index values as high as 102. Southwest wind around 5 mph.

Thursday Night

Mostly clear, with a low around 74. South wind around 5 mph.

Friday

Sunny, with a high near 93.

Friday Night

A 40 percent chance of showers after 1am. Mostly clear, with a low around 72.

Saturday

Mostly sunny, with a high near 89.

Saturday Night

Partly cloudy, with a low around 69.

Sunday

Mostly sunny, with a high near 86.