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

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Overcast

79°F

26°C

Humidity	89%
Wind Speed	W 5 mph
Barometer	30.06 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	15 Aug 12:15 pm CDT

More Information:

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

Extended Forecast for

Ricketts IA

This Afternoon
High: 79 °F
Chance
T-storms
Tonight
Low: 65 °F
Chance
T-storms then
Partly Cloudy
Sunday
High: 77 °F
Decreasing
Clouds
Sunday Night
Low: 58 °F
Mostly Clear
Monday
High: 78 °F
Mostly Sunny
Monday Night
Low: 63 °F
Chance
T-storms
Tuesday
High: 79 °F
Chance
T-storms then
Showers
Likely
Tuesday Night
Low: 61 °F
Showers
Likely
Wednesday
High: 72 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a steady temperature around 79. Northwest wind around 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A 30 percent chance of showers and thunderstorms before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 65. Calm wind becoming north around 5 mph after midnight. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

Mostly cloudy, then gradually becoming sunny, with a high near 77. North northwest wind 6 to 8 mph.

Sunday Night

Mostly clear, with a low around 58. Light and variable wind.

Monday

Mostly sunny, with a high near 78. Calm wind becoming south southwest around 5 mph in the afternoon.

Monday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.

Tuesday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

Wednesday

Mostly cloudy, with a high near 72.

Wednesday Night

Partly cloudy, with a low around 55.

Thursday

Partly sunny, with a high near 72.

Thursday Night

A 30 percent chance of showers. Partly cloudy, with a low around 58.

Friday

Partly sunny, with a high near 75.