Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Mostly Cloudy

88°F

31°C

Humidity	62%
Wind Speed	SW 5 mph
Barometer	29.93 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	96°F (36°C)
Last update	31 Aug 5:39 pm CDT

More Information:

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

Extended Forecast for

North Utica IL

Heat Advisory September 1, 12:00pm until September 1, 09:00pm

Heat Advisory September 2, 12:00pm until September 2, 09:00pm

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 73 °F
Isolated
Showers then
Partly Cloudy
Tuesday
High: 92 °F
Mostly Sunny
Tuesday Night
Low: 74 °F
Mostly Clear
Wednesday
High: 92 °F
Sunny
Wednesday Night
Low: 75 °F
Mostly Clear
Thursday
High: 89 °F
Slight Chance
T-storms
Thursday Night
Low: 72 °F
Partly Cloudy
then Slight
Chance
T-storms
Friday
High: 90 °F
Mostly Sunny
Friday Night
Low: 71 °F
Partly Cloudy
then Chance
T-storms

Detailed Forecast

Tonight

Isolated showers before 7pm. Partly cloudy, with a low around 73. South wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 20%.

Tuesday

Mostly sunny, with a high near 92. Heat index values as high as 103. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

Tuesday Night

Mostly clear, with a low around 74. South southwest wind around 5 mph, with gusts as high as 15 mph.

Wednesday

Sunny, with a high near 92. Heat index values as high as 102. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

Wednesday Night

Mostly clear, with a low around 75. Southwest wind around 5 mph, with gusts as high as 15 mph.

Thursday

A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89.

Thursday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.