Extreme Heat and Severe Thunderstorms Today

Extreme heat continues today from the central Plains to the lower Mississippi River Valley, over southeast Montana, and from southern California into the Southwest Deserts. Extreme Heat Warnings remain in effect. Severe thunderstorms capable of strong to severe wind gusts and large hail are possible across the Great Lakes into the Ohio Valley today into tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Fair

90°F

32°C

Humidity	71%
Wind Speed	S 15 G 18 mph
Barometer	29.77 in
Dewpoint	79°F (26°C)
Visibility	10.00 mi
Heat Index	107°F (42°C)
Last update	27 Jul 12:15 pm CDT

More Information:

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

Extended Forecast for

Pontoosuc IL

Extreme Heat Warning July 27, 12:50pm until July 27, 10:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning July 27, 12:50pm until July 27, 10:00pm
NOW until 10:00pm Mon
Extreme Heat Warning
This Afternoon
High: 96 °F
Chance
T-storms
Tonight
Low: 76 °F
Chance
T-storms then
Patchy Smoke
Tuesday
High: 85 °F
Mostly Sunny
Tuesday Night
Low: 70 °F
Mostly Clear
Wednesday
High: 85 °F
Sunny
Wednesday Night
Low: 70 °F
Mostly Clear
Thursday
High: 86 °F
Mostly Sunny
Thursday Night
Low: 71 °F
Mostly Cloudy
then Chance
Showers

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 96. Heat index values as high as 115. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Tonight

A 30 percent chance of showers and thunderstorms before 8pm. Patchy smoke after 1am. Partly cloudy, with a low around 76. West wind 5 to 10 mph becoming north after midnight.

Tuesday

Mostly sunny, with a high near 85. Northeast wind around 5 mph.

Tuesday Night

Mostly clear, with a low around 70. Northeast wind around 5 mph becoming calm in the evening.

Wednesday

Sunny, with a high near 85.

Wednesday Night

Mostly clear, with a low around 70.

Thursday

Mostly sunny, with a high near 86.

Thursday Night

A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 71.