National Weather Service

News Headlines

Hazardous Weather Conditions

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Fair

79°F

26°C

Humidity	89%
Wind Speed	S 9 mph
Barometer	30.05 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	3 Jul 7:35 am CDT

More Information:

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

Extended Forecast for

4 Miles SSW Denmark IA

Extreme Heat Warning July 3, 08:11am until July 3, 10:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning July 3, 08:11am until July 3, 10:00pm
NOW until 10:00pm Fri
Extreme Heat Warning
Today
High: 91 °F
Chance
T-storms
Tonight
Low: 72 °F
Chance
T-storms
Independence Day
High: 88 °F
Chance
T-storms
Saturday Night
Low: 69 °F
Chance
T-storms
Sunday
High: 86 °F
Chance
Showers
Sunday Night
Low: 66 °F
Partly Cloudy
Monday
High: 84 °F
Mostly Sunny
Monday Night
Low: 66 °F
Mostly Clear

Detailed Forecast

Today

A 50 percent chance of showers and thunderstorms, mainly before 4pm. Mostly sunny, with a high near 91. Heat index values as high as 101. Southwest wind 5 to 10 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 72. South wind 5 to 10 mph becoming west after midnight.

Independence Day

A 50 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 88. Southwest wind 5 to 10 mph.

Saturday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. West wind around 5 mph.

Sunday

A 30 percent chance of showers. Mostly sunny, with a high near 86.

Sunday Night

Partly cloudy, with a low around 66.

Monday

Mostly sunny, with a high near 84.

Monday Night

Mostly clear, with a low around 66.