Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

87°F

31°C

Humidity	75%
Wind Speed	SW 3 mph
Barometer	29.81 in (1008.7 mb)
Dewpoint	78°F (26°C)
Visibility	10.00 mi
Heat Index	100°F (38°C)
Last update	11 Aug 6:53 pm CDT

More Information:

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

Extended Forecast for

2 Miles NNW Melbourne IA

Tonight
Low: 70 °F
Mostly Cloudy
Wednesday
High: 86 °F
Chance
T-storms then
Mostly Sunny
Wednesday Night
Low: 68 °F
Mostly Cloudy
then Showers
Likely
Thursday
High: 80 °F
Showers
Thursday Night
Low: 66 °F
Showers
Friday
High: 80 °F
Chance
Showers
Friday Night
Low: 68 °F
Showers
Likely
Saturday
High: 86 °F
Slight Chance
T-storms
Saturday Night
Low: 68 °F
Chance
T-storms then
Showers
Likely

Detailed Forecast

Tonight

Mostly cloudy, with a low around 70. South wind around 5 mph becoming light and variable.

Wednesday

A 50 percent chance of showers and thunderstorms, mainly before 11am. Partly sunny, with a high near 86. East wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Partly cloudy during the early evening, then becoming cloudy, with a low around 68. East wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. High near 80. South wind 6 to 8 mph becoming east northeast in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers and possibly a thunderstorm. Low around 66. East northeast wind 7 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Friday

A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 80. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

Saturday

A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86.

Saturday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

Sunday

Partly sunny, with a high near 80.

Sunday Night

Partly cloudy, with a low around 62.

Monday

Mostly sunny, with a high near 78.

Monday Night

Mostly cloudy, with a low around 63.

Tuesday

Mostly sunny, with a high near 82.