National Weather Service

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August 11, 2026: Derecho produces widespread wind damage and tornadoes across northern Illinois and northwest Indiana
NOAA All Hazards Radio Test Postponed

Hazardous Weather Conditions

Current conditions at

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Mostly Cloudy

71°F

22°C

Humidity	100%
Wind Speed	E 5 mph
Barometer	29.96 in
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Last update	14 Aug 2:15 am CDT

More Information:

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

Extended Forecast for

Dwight IL

Flood Watch August 14, 02:46am until August 14, 10:00am

Click here for hazard details and duration

Flood Watch

Flood Watch August 14, 02:46am until August 14, 10:00am
NOW until 10:00am Fri
Flood Watch
Overnight
Low: 70 °F
T-storms
Friday
High: 83 °F
Showers
Likely then
Chance
T-storms
Friday Night
Low: 71 °F
Chance
T-storms then
Showers
Likely
Saturday
High: 88 °F
Showers
Saturday Night
Low: 74 °F
Chance
T-storms
Sunday
High: 87 °F
Chance
T-storms then
Showers
Likely
Sunday Night
Low: 68 °F
Partly Cloudy
Monday
High: 81 °F
Mostly Sunny

Detailed Forecast

Overnight

Showers and possibly a thunderstorm. Low around 70. East wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Friday

Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 83. East wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 71. East wind around 5 mph becoming south southeast after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. High near 88. Heat index values as high as 103. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 80%.

Saturday Night

A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 74. West southwest wind around 5 mph, with gusts as high as 10 mph.

Sunday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 87. Chance of precipitation is 60%.

Sunday Night

Partly cloudy, with a low around 68.

Monday

Mostly sunny, with a high near 81.

Monday Night

Mostly clear, with a low around 62.

Tuesday

Sunny, with a high near 82.

Tuesday Night

Partly cloudy, with a low around 66.

Wednesday

A chance of showers and thunderstorms. Partly sunny, with a high near 83.