Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Fog/Mist

68°F

20°C

Humidity	100%
Wind Speed	NA
Barometer	29.96 in
Dewpoint	68°F (20°C)
Visibility	2.50 mi
Last update	26 Jul 4:55 am CDT

More Information:

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

Extended Forecast for

Chatsworth IL

Heat Advisory July 26, 12:00pm until July 26, 08:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 88 °F
Slight Chance
T-storms and
Patchy Fog
then Partly
Sunny
Tonight
Low: 74 °F
Partly Cloudy
then Chance
T-storms
Monday
High: 90 °F
Chance
T-storms
Monday Night
Low: 73 °F
Chance
T-storms
Tuesday
High: 83 °F
Mostly Sunny
Tuesday Night
Low: 62 °F
Mostly Clear
Wednesday
High: 81 °F
Sunny
Wednesday Night
Low: 60 °F
Mostly Clear
Thursday
High: 86 °F
Sunny

Detailed Forecast

Today

A slight chance of showers and thunderstorms between 7am and 8am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 88. Heat index values as high as 100. Calm wind becoming south southwest around 5 mph in the morning. Winds could gust as high as 10 mph. Chance of precipitation is 20%.

Tonight

A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South southwest wind around 5 mph, with gusts as high as 10 mph.

Monday

A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 90. Heat index values as high as 104. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

Monday Night

A chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 73. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

Tuesday

Mostly sunny, with a high near 83. North wind around 10 mph, with gusts as high as 15 mph.

Tuesday Night

Mostly clear, with a low around 62.

Wednesday

Sunny, with a high near 81.

Wednesday Night

Mostly clear, with a low around 60.

Thursday

Sunny, with a high near 86.

Thursday Night

Partly cloudy, with a low around 64.