Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

N/A

Humidity	NA
Wind Speed	NA
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	* Not a current observation *

More Information:

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

Extended Forecast for

3 Miles SSW Manilla IA

Overnight
Low: 67 °F
T-storms
Wednesday
High: 78 °F
Chance
T-storms
Wednesday Night
Low: 54 °F
Chance
T-storms
Thursday
High: 70 °F
Partly Sunny
Thursday Night
Low: 55 °F
Partly Cloudy
Friday
High: 77 °F
Slight Chance
Showers then
Slight Chance
T-storms
Friday Night
Low: 66 °F
Chance
T-storms then
Showers
Likely
Saturday
High: 84 °F
Chance
T-storms
Saturday Night
Low: 65 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

Overnight

Showers and thunderstorms, mainly before 4am. Low around 67. Calm wind becoming west southwest 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 78. West southwest wind 7 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 16 mph. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 54. North wind 8 to 10 mph, with gusts as high as 17 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

Partly sunny, with a high near 70. North northeast wind around 9 mph, with gusts as high as 16 mph.

Thursday Night

Partly cloudy, with a low around 55. East northeast wind 3 to 6 mph.

Friday

A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. Southeast wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 20%.

Friday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. South southeast wind 6 to 8 mph. Chance of precipitation is 60%.

Saturday

A chance of showers and thunderstorms. Partly sunny, with a high near 84. South wind 5 to 7 mph becoming northeast in the afternoon.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Northeast wind around 6 mph.

Sunday

A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 80. East northeast wind 6 to 9 mph.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East southeast wind 6 to 8 mph.

Monday

A slight chance of showers and thunderstorms. Partly sunny, with a high near 83. Southeast wind 6 to 9 mph.

Monday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68. Southeast wind around 7 mph.