Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Fair

70°F

21°C

Humidity	100%
Wind Speed	S 7 G 15 mph
Barometer	29.98 in
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	15 Jul 6:15 am CDT

More Information:

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

Extended Forecast for

Denison IA

Today
High: 88 °F
Sunny
Tonight
Low: 66 °F
Chance
T-storms then
Showers
Likely
Wednesday
High: 80 °F
Chance
T-storms and
Patchy Fog
then Showers
Likely
Wednesday Night
Low: 55 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 71 °F
Partly Sunny
Thursday Night
Low: 56 °F
Partly Cloudy
Friday
High: 79 °F
Partly Sunny
Friday Night
Low: 66 °F
Chance
Showers then
Showers
Likely
Saturday
High: 85 °F
Chance
T-storms

Detailed Forecast

Today

Sunny, with a high near 88. South wind 7 to 11 mph, with gusts as high as 18 mph.

Tonight

A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 66. South wind around 7 mph becoming west southwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Patchy fog between 9am and 11am. Otherwise, mostly cloudy, with a high near 80. West southwest wind 5 to 8 mph becoming north northwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. North wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Partly sunny, with a high near 71. North northeast wind around 8 mph.

Thursday Night

Partly cloudy, with a low around 56.

Friday

Partly sunny, with a high near 79.

Friday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

Saturday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.

Saturday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.

Sunday

A 30 percent chance of showers. Partly sunny, with a high near 83.

Sunday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.

Monday

Mostly sunny, with a high near 85.