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

Heat Advisory in effect from July 26, 12:00 PM CDT until July 26, 08:00 PM CDT

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

74°F

23°C

Humidity	100%
Wind Speed	SE 3 mph
Barometer	29.95 in (1013.7 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Last update	25 Jul 10:56 pm CDT

More Information:

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

Extended Forecast for

2 Miles SSW Nachusa IL

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

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 68 °F
Patchy Fog
Sunday
High: 91 °F
Slight Chance
T-storms and
Patchy Fog
Sunday Night
Low: 74 °F
Chance
T-storms
Monday
High: 93 °F
Slight Chance
T-storms
Monday Night
Low: 70 °F
Mostly Clear
Tuesday
High: 86 °F
Sunny
Tuesday Night
Low: 62 °F
Mostly Clear
Wednesday
High: 84 °F
Sunny
Wednesday Night
Low: 62 °F
Mostly Clear

Detailed Forecast

Tonight

Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 68. South southeast wind around 5 mph.

Sunday

A 20 percent chance of showers and thunderstorms before 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 91. Heat index values as high as 105. South wind 5 to 10 mph, with gusts as high as 20 mph.

Sunday Night

A slight chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.

Monday

A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 93. Heat index values as high as 108. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.

Monday Night

Mostly clear, with a low around 70. West wind around 10 mph becoming north after midnight. Winds could gust as high as 15 mph.

Tuesday

Sunny, with a high near 86.

Tuesday Night

Mostly clear, with a low around 62.

Wednesday

Sunny, with a high near 84.

Wednesday Night

Mostly clear, with a low around 62.

Thursday

Mostly sunny, with a high near 85.