Beyond the Warning Presentation in Oglesby on 3/10/2026 POSTPONED

Due to the potential for severe thunderstorms on Tuesday, March 10th, the Beyond the Warning seminar in Oglesby, IL has been POSTPONED. We intend to reschedule this session later this spring. Read More >

Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fog

50°F

10°C

Humidity	100%
Wind Speed	Calm
Barometer	29.75 in (1007.2 mb)
Dewpoint	50°F (10°C)
Visibility	0.50 mi
Last update	10 Mar 3:56 am CDT

More Information:

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

Extended Forecast for

6 Miles SSE Harmon IL

Dense Fog Advisory until March 10, 11:00am

Click here for hazard details and duration

Dense Fog Advisory

Dense Fog Advisory until March 10, 11:00am
NOW until 11:00am Tue
Dense Fog Advisory
Overnight
Low: 54 °F
Areas Dense
Fog
Tuesday
High: 65 °F
Areas Dense
Fog then
Severe
Thunderstorms
Tuesday Night
Low: 40 °F
Severe
Thunderstorms
Wednesday
High: 40 °F
Showers then
Rain/Snow and
Breezy
Wednesday Night
Low: 26 °F
Mostly Clear
Thursday
High: 48 °F
Mostly Sunny
Thursday Night
Low: 39 °F
Chance
Showers and
Breezy
Friday
High: 49 °F
Partly Sunny
and Breezy

Detailed Forecast

Overnight

Areas of dense fog. Otherwise, mostly cloudy, with a low around 54. South southwest wind around 5 mph.

Tuesday

A slight chance of drizzle and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Some of the storms could be severe. Areas of dense fog before 11am. Otherwise, partly sunny, with a high near 65. South southwest wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 40%.

Tuesday Night

Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Some of the storms could be severe. Low around 40. East wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

Rain showers before 4pm, then a slight chance of rain and snow showers. High near 40. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Wednesday Night

Mostly clear, with a low around 26. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.

Thursday

Mostly sunny, with a high near 48.

Thursday Night

A 40 percent chance of showers. Mostly cloudy, with a low around 39. Breezy.

Friday

Partly sunny, with a high near 49. Breezy.

Friday Night

Mostly cloudy, with a low around 30.

Saturday

Cloudy, with a high near 53.