Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Overcast

74°F

23°C

Humidity	74%
Wind Speed	Vrbl 3 mph
Barometer	29.93 in (1012.8 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	31 Aug 4:56 am CDT

More Information:

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

Extended Forecast for

2 Miles WSW Lyndon IL

Overnight
Low: 71 °F
Slight Chance
T-storms
Monday
High: 88 °F
Chance
Showers then
Mostly Sunny
Monday Night
Low: 73 °F
Partly Cloudy
Tuesday
High: 91 °F
Mostly Sunny
Tuesday Night
Low: 73 °F
Mostly Clear
Wednesday
High: 92 °F
Sunny
Wednesday Night
Low: 72 °F
Partly Cloudy
Thursday
High: 88 °F
Chance
T-storms
Thursday Night
Low: 70 °F
Partly Cloudy

Detailed Forecast

Overnight

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 10 mph.

Monday

A 30 percent chance of showers and thunderstorms, mainly before 11am. Partly sunny, with a high near 88. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Monday Night

Partly cloudy, with a low around 73. South wind around 5 mph.

Tuesday

Mostly sunny, with a high near 91. Heat index values as high as 101. Southwest wind 5 to 10 mph.

Tuesday Night

Mostly clear, with a low around 73.

Wednesday

Sunny, with a high near 92.

Wednesday Night

Partly cloudy, with a low around 72.

Thursday

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