Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Fair

88°F

31°C

Humidity	59%
Wind Speed	SE 9 mph
Barometer	29.96 in
Dewpoint	72°F (22°C)
Visibility	NA
Heat Index	95°F (35°C)
Last update	29 Jul 5:55 pm CDT

More Information:

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

Extended Forecast for

3 Miles SW Denison IA

Tonight
Low: 68 °F
Isolated
T-storms then
Partly Cloudy
Thursday
High: 83 °F
Isolated
T-storms
Thursday Night
Low: 66 °F
Showers
Likely then
Showers
Friday
High: 78 °F
Chance
Showers and
Breezy
Friday Night
Low: 59 °F
Partly Cloudy
and Breezy
then Mostly
Clear
Saturday
High: 81 °F
Sunny
Saturday Night
Low: 60 °F
Mostly Clear
Sunday
High: 83 °F
Sunny
Sunday Night
Low: 62 °F
Mostly Clear

Detailed Forecast

Tonight

Isolated showers and thunderstorms between 7pm and 10pm. Patchy smoke before 9pm. Partly cloudy, with a low around 68. Southeast wind 6 to 9 mph. Chance of precipitation is 20%.

Thursday

Isolated showers and thunderstorms before 10am, then isolated showers between 10am and 1pm, then isolated showers and thunderstorms after 1pm. Partly sunny, with a high near 83. South southeast wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Thursday Night

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 66. South southeast wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Friday

A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 78. Breezy, with a west southwest wind 8 to 13 mph becoming north 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Partly cloudy, with a low around 59. Breezy, with a north wind 9 to 17 mph, with gusts as high as 26 mph.

Saturday

Sunny, with a high near 81.

Saturday Night

Mostly clear, with a low around 60.

Sunday

Sunny, with a high near 83.

Sunday Night

Mostly clear, with a low around 62.

Monday

Sunny, with a high near 85.