Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Thunderstorm in Vicinity

70°F

21°C

Humidity	88%
Wind Speed	S 15 G 23 mph
Barometer	29.82 in
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	19 May 12:15 am CDT

More Information:

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

Extended Forecast for

3 Miles SE Montrose IA

Severe T-storm Watch May 19, 12:22am until May 19, 04:00am

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Watch May 19, 12:22am until May 19, 04:00am
NOW until 4:00am Tue
Severe T-storm Watch
Overnight
Low: 65 °F
Severe
Thunderstorms
Tuesday
High: 69 °F
Showers
Likely then
Mostly Cloudy
Tuesday Night
Low: 49 °F
Mostly Cloudy
Wednesday
High: 67 °F
Mostly Sunny
Wednesday Night
Low: 47 °F
Partly Cloudy
Thursday
High: 69 °F
Mostly Cloudy
Thursday Night
Low: 52 °F
Mostly Cloudy
then Chance
Showers
Friday
High: 66 °F
Showers
Likely

Detailed Forecast

Overnight

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Some of the storms could be severe. Low around 65. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, with a high near 69. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

Tuesday Night

Mostly cloudy, with a low around 49. North wind around 10 mph, with gusts as high as 20 mph.

Wednesday

Mostly sunny, with a high near 67. Northeast wind around 10 mph, with gusts as high as 20 mph.

Wednesday Night

Partly cloudy, with a low around 47.

Thursday

Mostly cloudy, with a high near 69.

Thursday Night

A 50 percent chance of showers after 1am. Cloudy, with a low around 52.

Friday

Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.