Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. 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

Current conditions at

Atlantic (KAIO)

Lat: 41.4°NLon: 95.05°WElev: 1181ft.

Fair

75°F

24°C

Humidity	100%
Wind Speed	N 3 mph
Barometer	29.77 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Last update	12 Aug 3:15 am CDT

More Information:

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

Extended Forecast for

Massena IA

Severe T-storm Watch until August 12, 10:00am

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Watch until August 12, 10:00am
NOW until 10:00am Wed
Severe T-storm Watch
Overnight
Low: 72 °F
Mostly Cloudy
Wednesday
High: 89 °F
Chance
T-storms then
Mostly Sunny
Wednesday Night
Low: 70 °F
Slight Chance
T-storms then
Showers
Likely
Thursday
High: 84 °F
Showers
Likely then
Chance
T-storms
Thursday Night
Low: 68 °F
Showers
Likely
Friday
High: 85 °F
Slight Chance
T-storms
Friday Night
Low: 71 °F
Chance
T-storms
Saturday
High: 86 °F
Slight Chance
T-storms

Detailed Forecast

Overnight

Mostly cloudy, with a low around 72. South southeast wind around 7 mph.

Wednesday

A 40 percent chance of showers and thunderstorms before 11am. Partly sunny, with a high near 89. Heat index values as high as 102. North northwest wind 5 to 9 mph becoming east southeast in the afternoon. Winds could gust as high as 32 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. Mostly cloudy, with a low around 70. East wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, with a high near 84. East wind around 9 mph becoming north northeast in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. East northeast wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

Friday

A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 85.

Friday Night

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

Saturday

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

Saturday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

Sunday

A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 80.

Sunday Night

Mostly cloudy, with a low around 62.