Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Perry Municipal Airport (KPRO)

Lat: 41.83°NLon: 94.16°WElev: 1013ft.

Fair

73°F

23°C

Humidity	100%
Wind Speed	SW 3 mph
Barometer	30.00 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Last update	15 Aug 9:35 pm CDT

More Information:

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

Extended Forecast for

Jefferson IA

Tonight
Low: 67 °F
Slight Chance
T-storms then
Mostly Cloudy
Sunday
High: 79 °F
Mostly Sunny
Sunday Night
Low: 59 °F
Increasing
Clouds
Monday
High: 82 °F
Decreasing
Clouds
Monday Night
Low: 64 °F
Partly Cloudy
then Slight
Chance
T-storms
Tuesday
High: 82 °F
Chance
Showers then
Showers
Likely
Tuesday Night
Low: 62 °F
Showers
Wednesday
High: 76 °F
Slight Chance
Showers
Wednesday Night
Low: 57 °F
Mostly Cloudy

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 67. Calm wind becoming west northwest around 5 mph.

Sunday

Mostly sunny, with a high near 79. North northwest wind 6 to 9 mph.

Sunday Night

Increasing clouds, with a low around 59. Light west northwest wind.

Monday

Mostly cloudy, then gradually becoming sunny, with a high near 82. Light southwest wind.

Monday Night

A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Light south wind.

Tuesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 62. Chance of precipitation is 80%.

Wednesday

A 20 percent chance of showers before 1pm. Partly sunny, with a high near 76.

Wednesday Night

Mostly cloudy, with a low around 57.

Thursday

Mostly sunny, with a high near 76.

Thursday Night

A 40 percent chance of showers. Partly cloudy, with a low around 58.

Friday

Mostly sunny, with a high near 79.