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

Heat Advisory in effect from July 26, 12:00 PM CDT until July 26, 08:00 PM CDT

Current conditions at

Pontiac Municipal Airport (KPNT)

Lat: 40.92°NLon: 88.62°WElev: 650ft.

Overcast

73°F

23°C

Humidity	95%
Wind Speed	NA
Barometer	29.97 in
Dewpoint	71°F (22°C)
Visibility	4.00 mi
Last update	25 Jul 8:55 pm CDT

More Information:

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

Extended Forecast for

Pontiac IL

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

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 69 °F
Mostly Cloudy
then Patchy
Fog
Sunday
High: 90 °F
Patchy Fog
then Partly
Sunny
Sunday Night
Low: 75 °F
Slight Chance
T-storms
Monday
High: 94 °F
Slight Chance
T-storms
Monday Night
Low: 72 °F
Slight Chance
T-storms
Tuesday
High: 87 °F
Mostly Sunny
Tuesday Night
Low: 62 °F
Mostly Clear
Wednesday
High: 85 °F
Sunny
Wednesday Night
Low: 62 °F
Mostly Clear

Detailed Forecast

Tonight

Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 69. Calm wind.

Sunday

Patchy fog before 8am. Otherwise, partly sunny, with a high near 90. Heat index values as high as 104. Calm wind becoming south southwest around 5 mph in the afternoon. Winds could gust as high as 15 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. South southwest wind around 5 mph, with gusts as high as 15 mph.

Monday

A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 94. Heat index values as high as 109. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Monday Night

A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 72. West southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

Tuesday

Mostly sunny, with a high near 87.

Tuesday Night

Mostly clear, with a low around 62.

Wednesday

Sunny, with a high near 85.

Wednesday Night

Mostly clear, with a low around 62.

Thursday

Sunny, with a high near 85.

Thursday Night

Partly cloudy, with a low around 65.