Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fog/Mist

73°F

23°C

Humidity	100%
Wind Speed	Calm
Barometer	29.94 in (1013.2 mb)
Dewpoint	73°F (23°C)
Visibility	6.00 mi
Last update	26 Jul 3:56 am CDT

More Information:

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

Extended Forecast for

Harmon IL

Heat Advisory July 26, 12:00pm until July 26, 08:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 91 °F
Slight Chance
T-storms and
Patchy Fog
then Mostly
Sunny
Tonight
Low: 75 °F
Partly Cloudy
then Slight
Chance
T-storms
Monday
High: 91 °F
Chance
T-storms
Monday Night
Low: 71 °F
Slight Chance
T-storms then
Mostly Clear
Tuesday
High: 86 °F
Sunny
Tuesday Night
Low: 62 °F
Mostly Clear
Wednesday
High: 84 °F
Sunny
Wednesday Night
Low: 61 °F
Mostly Clear
Thursday
High: 87 °F
Mostly Sunny

Detailed Forecast

Today

A slight chance of showers and thunderstorms between 7am and 9am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 91. Heat index values as high as 106. Light and variable wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 20%.

Tonight

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. South southwest wind around 5 mph becoming southeast after midnight. Winds could gust as high as 10 mph.

Monday

A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. Heat index values as high as 106. South southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Monday Night

A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 71. West wind 5 to 10 mph becoming north northwest after midnight. Winds could gust as high as 15 mph.

Tuesday

Sunny, with a high near 86. North northeast wind around 10 mph, with gusts as high as 15 mph.

Tuesday Night

Mostly clear, with a low around 62.

Wednesday

Sunny, with a high near 84.

Wednesday Night

Mostly clear, with a low around 61.

Thursday

Mostly sunny, with a high near 87.

Thursday Night

Partly cloudy, with a low around 65.