National Weather Service

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

93°F

34°C

Humidity	53%
Wind Speed	S 5 mph
Barometer	29.92 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	103°F (39°C)
Last update	4 Sep 3:19 pm CDT

More Information:

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

Extended Forecast for

Ottawa IL

Heat Advisory September 4, 03:46pm until September 4, 10:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory September 4, 03:46pm until September 4, 10:00pm
NOW until 10:00pm Fri
Heat Advisory
This Afternoon
High: 94 °F
Mostly Sunny
Tonight
Low: 73 °F
Partly Cloudy
then Slight
Chance
T-storms and
Patchy Fog
Saturday
High: 90 °F
Patchy Fog
then Sunny
Saturday Night
Low: 67 °F
Mostly Clear
Sunday
High: 84 °F
Sunny
Sunday Night
Low: 62 °F
Mostly Clear
Labor Day
High: 83 °F
Sunny
Monday Night
Low: 64 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 94. Heat index values as high as 104. West southwest wind around 5 mph.

Tonight

A 20 percent chance of showers and thunderstorms after 1am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 73. West wind around 5 mph becoming calm in the evening.

Saturday

Patchy fog before 9am. Otherwise, sunny, with a high near 90. Heat index values as high as 99. Light and variable wind becoming north 5 to 10 mph in the morning.

Saturday Night

Mostly clear, with a low around 67. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

Sunday

Sunny, with a high near 84. East wind around 5 mph, with gusts as high as 15 mph.

Sunday Night

Mostly clear, with a low around 62.

Labor Day

Sunny, with a high near 83.

Monday Night

Partly cloudy, with a low around 64.

Tuesday

Mostly sunny, with a high near 90.