Heat and Fire Weather Concerns West; Heavy Rain and Thunderstorms from Plains to mid-Atlantic

Thunderstorms and locally heavy rainfall is expected from the Central Plains to the Ohio Valley, mid-Atlantic and across the Southeast. Severe weather from the Upper Midwest to Central Plains increases on Friday. Major to Extreme HeatRisk continues across the Southern Plains to the lower Mississippi Valley late this week. Fire weather concerns for the northern Rockies and northern Plains today. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Ankeny Regional Airport (KIKV)

Lat: 41.69°NLon: 93.57°WElev: 886ft.

Fair

77°F

25°C

Humidity	54%
Wind Speed	E 3 mph
Barometer	30.10 in
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	10 Sep 11:35 am CDT

More Information:

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

Extended Forecast for

Johnston IA

Today
High: 81 °F
Sunny
Tonight
Low: 60 °F
Mostly Clear
Friday
High: 82 °F
Sunny
Friday Night
Low: 66 °F
Mostly Clear
then Chance
Showers
Saturday
High: 79 °F
Partly Sunny
then Slight
Chance
T-storms
Saturday Night
Low: 59 °F
Partly Cloudy
then Chance
Showers
Sunday
High: 77 °F
Chance
Showers then
Chance
T-storms
Sunday Night
Low: 67 °F
Chance
T-storms
Monday
High: 81 °F
Showers
Likely

Detailed Forecast

Today

Sunny, with a high near 81. Light east wind.

Tonight

Mostly clear, with a low around 60. Calm wind becoming south southeast around 5 mph after midnight.

Friday

Sunny, with a high near 82. South wind 5 to 11 mph, with gusts as high as 18 mph.

Friday Night

A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. South southeast wind 6 to 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Southwest wind 5 to 9 mph becoming north in the afternoon.

Saturday Night

A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59. 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. Partly sunny, with a high near 77.

Sunday Night

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

Monday

A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 70%.

Monday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Partly cloudy, with a low around 57. Chance of precipitation is 60%.

Tuesday

A 40 percent chance of showers. Mostly cloudy, with a high near 67.

Tuesday Night

A 30 percent chance of showers. Mostly cloudy, with a low around 55.