Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Atlantic (KAIO)

Lat: 41.4°NLon: 95.05°WElev: 1181ft.

Fair

68°F

20°C

Humidity	94%
Wind Speed	SW 5 mph
Barometer	29.93 in
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	14 Jun 1:55 am CDT

More Information:

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

Extended Forecast for

2 Miles S Griswold IA

Overnight
Low: 64 °F
Partly Cloudy
Saturday
High: 91 °F
Mostly Sunny
Saturday Night
Low: 67 °F
Partly Cloudy
then Chance
T-storms
Sunday
High: 86 °F
Chance
Showers then
Chance
T-storms
Sunday Night
Low: 66 °F
Chance
T-storms
Monday
High: 90 °F
Slight Chance
T-storms
Monday Night
Low: 67 °F
Chance
T-storms
Tuesday
High: 87 °F
Chance
T-storms then
Showers
Likely
Tuesday Night
Low: 66 °F
Heavy Rain

Detailed Forecast

Overnight

Partly cloudy, with a low around 64. South wind around 5 mph.

Saturday

Mostly sunny, with a high near 91. South southeast wind 5 to 9 mph.

Saturday Night

A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. South southeast wind 6 to 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86. South wind 6 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South southeast wind 5 to 8 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.

Monday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

Tuesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 87. Chance of precipitation is 60%.

Tuesday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 66. Chance of precipitation is 80%.

Wednesday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.

Wednesday Night

Partly cloudy, with a low around 61.

Juneteenth

Sunny, with a high near 85.

Thursday Night

Mostly clear, with a low around 64.

Friday

Sunny, with a high near 89. Breezy.