Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Atlantic (KAIO)

Lat: 41.4°NLon: 95.05°WElev: 1181ft.

A Few Clouds

57°F

14°C

Humidity	100%
Wind Speed	Calm
Barometer	30.06 in
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	30 Aug 5:55 am CDT

More Information:

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

Extended Forecast for

Walnut IA

Today
High: 78 °F
Partly Sunny
then Slight
Chance
Showers
Tonight
Low: 61 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 70 °F
Showers
Likely
Sunday Night
Low: 59 °F
Showers
Likely
Labor Day
High: 69 °F
Chance
Showers
Monday Night
Low: 55 °F
Chance
Showers
Tuesday
High: 74 °F
Chance
Showers
Tuesday Night
Low: 54 °F
Chance
T-storms
Wednesday
High: 66 °F
Slight Chance
T-storms

Detailed Forecast

Today

A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 78. Calm wind becoming south southeast 5 to 8 mph in the morning.

Tonight

A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 61. East wind 3 to 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers likely and possibly a thunderstorm. Cloudy, with a high near 70. East wind 6 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 59. East southeast wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Labor Day

A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 69. East wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 55. East wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

Tuesday

A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 74. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

Tuesday Night

A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 54. West wind 3 to 6 mph.

Wednesday

A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 66. North wind 7 to 14 mph, with gusts as high as 20 mph.

Wednesday Night

Partly cloudy, with a low around 44. North wind 5 to 10 mph becoming light after midnight.

Thursday

Mostly sunny, with a high near 64. West northwest wind 5 to 10 mph.

Thursday Night

Mostly clear, with a low around 45. West southwest wind 3 to 6 mph.

Friday

Sunny, with a high near 71. West northwest wind 5 to 10 mph, with gusts as high as 16 mph.