Severe Thunderstorms in the Upper Midwest; Heat Continues in the Southwest

Scattered severe thunderstorms may produce damaging winds, large hail, a tornado or two, and heavy rain across parts of the Upper Midwest, mainly this evening through Saturday. Very hot temperatures will continue through today across the Desert Southwest, which could break daily high temperature records. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Fair

82°F

28°C

Humidity	79%
Wind Speed	SE 6 G 17 mph
Barometer	29.98 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	8 Aug 10:35 am CDT

More Information:

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

Extended Forecast for

Argyle IA

Heat Advisory August 8, 12:00pm until August 8, 07:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 93 °F
Sunny
Tonight
Low: 76 °F
Mostly Clear
Saturday
High: 94 °F
Sunny then
Slight Chance
T-storms
Saturday Night
Low: 72 °F
Chance
T-storms
Sunday
High: 86 °F
Chance
T-storms
Sunday Night
Low: 70 °F
Chance
T-storms then
Showers
Likely
Monday
High: 85 °F
Chance
T-storms
Monday Night
Low: 69 °F
Chance
T-storms
Tuesday
High: 86 °F
Partly Sunny
then Chance
T-storms

Detailed Forecast

Today

Sunny, with a high near 93. Heat index values as high as 103. South wind 10 to 15 mph, with gusts as high as 20 mph.

Tonight

Mostly clear, with a low around 76. South wind around 10 mph, with gusts as high as 20 mph.

Saturday

A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 94. Heat index values as high as 106. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Saturday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind around 5 mph. New rainfall amounts between 1 and 2 inches possible.

Sunday

A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.

Sunday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Monday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

Tuesday

A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86.

Tuesday Night

Partly cloudy, with a low around 69.

Wednesday

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

Wednesday Night

Partly cloudy, with a low around 69.