Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

83°F

28°C

Humidity	55%
Wind Speed	NE 7 mph
Barometer	29.92 in (1012.8 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	19 Aug 5:56 pm CDT

More Information:

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

Extended Forecast for

3 Miles W Walnut IL

Tonight
Low: 60 °F
Mostly Cloudy
then Patchy
Fog
Thursday
High: 80 °F
Patchy Fog
then Sunny
Thursday Night
Low: 61 °F
Partly Cloudy
Friday
High: 81 °F
Mostly Sunny
then Showers
Likely
Friday Night
Low: 62 °F
Mostly Clear
Saturday
High: 80 °F
Sunny
Saturday Night
Low: 59 °F
Mostly Clear
Sunday
High: 77 °F
Mostly Sunny
Sunday Night
Low: 58 °F
Partly Cloudy

Detailed Forecast

Tonight

Patchy fog after 3am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 60. Northeast wind around 5 mph becoming calm in the evening.

Thursday

Patchy fog before 8am. Otherwise, sunny, with a high near 80. Northeast wind around 5 mph becoming calm.

Thursday Night

Partly cloudy, with a low around 61. Calm wind becoming southeast around 5 mph.

Friday

Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 81. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 60%.

Friday Night

Mostly clear, with a low around 62.

Saturday

Sunny, with a high near 80.

Saturday Night

Mostly clear, with a low around 59.

Sunday

Mostly sunny, with a high near 77.

Sunday Night

Partly cloudy, with a low around 58.

Monday

Mostly sunny, with a high near 78.