Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Atlantic (KAIO)

Lat: 41.4°NLon: 95.05°WElev: 1181ft.

Fair

90°F

32°C

Humidity	67%
Wind Speed	S 9 G 16 mph
Barometer	29.92 in
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	104°F (40°C)
Last update	17 Aug 4:55 pm CDT

More Information:

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

Extended Forecast for

Atlantic IA

Tonight
Low: 73 °F
Mostly Clear
then Chance
T-storms
Monday
High: 89 °F
Chance
T-storms then
Mostly Sunny
Monday Night
Low: 69 °F
Slight Chance
T-storms
Tuesday
High: 85 °F
Mostly Sunny
then Slight
Chance
T-storms
Tuesday Night
Low: 63 °F
Mostly Clear
Wednesday
High: 82 °F
Sunny
Wednesday Night
Low: 60 °F
Mostly Clear
Thursday
High: 81 °F
Sunny
Thursday Night
Low: 60 °F
Mostly Clear

Detailed Forecast

Tonight

A 30 percent chance of showers and thunderstorms, mainly after 5am. Increasing clouds, with a low around 73. South wind 6 to 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

A 30 percent chance of showers and thunderstorms, mainly before 8am. Partly sunny, with a high near 89. Heat index values as high as 100. South wind 6 to 11 mph becoming west southwest in the afternoon. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. North northwest wind around 6 mph becoming calm in the evening.

Tuesday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Calm wind becoming north northeast 5 to 7 mph in the morning.

Tuesday Night

Mostly clear, with a low around 63. North northeast wind 3 to 6 mph.

Wednesday

Sunny, with a high near 82.

Wednesday Night

Mostly clear, with a low around 60.

Thursday

Sunny, with a high near 81.

Thursday Night

Mostly clear, with a low around 60.

Friday

Sunny, with a high near 84.