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

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fog/Mist

70°F

21°C

Humidity	100%
Wind Speed	S 5 mph
Barometer	29.94 in
Dewpoint	70°F (21°C)
Visibility	2.50 mi
Last update	26 Jul 2:37 am CDT

More Information:

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

Extended Forecast for

Mc Nabb IL

Extreme Heat Watch July 26, 09:00pm until July 27, 10:00pm

Extreme Heat Warning July 26, 11:00am until July 26, 09:00pm

Click here for hazard details and duration

Extreme Heat Watch

Extreme Heat Warning

Overnight
Low: 70 °F
Mostly Cloudy
Sunday
High: 89 °F
Slight Chance
T-storms then
Partly Sunny
Sunday Night
Low: 75 °F
Partly Cloudy
then Slight
Chance
T-storms
Monday
High: 93 °F
Chance
T-storms
Monday Night
Low: 72 °F
Mostly Clear
Tuesday
High: 86 °F
Mostly Sunny
Tuesday Night
Low: 63 °F
Mostly Clear
Wednesday
High: 85 °F
Sunny
Wednesday Night
Low: 62 °F
Mostly Clear

Detailed Forecast

Overnight

Mostly cloudy, with a low around 70. South wind around 5 mph.

Sunday

A 10 percent chance of showers and thunderstorms before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 89. Heat index values as high as 102. South wind around 5 mph.

Sunday Night

A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 75. Southwest wind around 5 mph becoming southeast after midnight.

Monday

A 40 percent chance of showers and thunderstorms, mainly before 3pm. Partly sunny, then gradually becoming sunny, with a high near 93. Heat index values as high as 107. South wind 5 to 15 mph becoming northwest in the morning. Winds could gust as high as 25 mph.

Monday Night

Mostly clear, with a low around 72.

Tuesday

Mostly sunny, with a high near 86.

Tuesday Night

Mostly clear, with a low around 63.

Wednesday

Sunny, with a high near 85.

Wednesday Night

Mostly clear, with a low around 62.

Thursday

Mostly sunny, with a high near 86.