Dangerous Heat Wave Continues; Areas of Severe Thunderstorms Today

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing on the eastern U.S. through the Independence Day weekend. Peak heat indices of up to 115 degrees are possible. Strong to severe thunderstorms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians today. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Fair

81°F

27°C

Humidity	79%
Wind Speed	SW 12 mph
Barometer	29.93 in
Dewpoint	73°F (23°C)
Visibility	NA
Heat Index	86°F (30°C)
Last update	2 Jul 8:35 am CDT

More Information:

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

Extended Forecast for

2 Miles S Denison IA

Today
High: 87 °F
Chance
T-storms
Tonight
Low: 70 °F
Chance
T-storms then
Showers
Likely
Friday
High: 91 °F
Chance
T-storms then
Chance
Showers
Friday Night
Low: 71 °F
Showers
Likely
Independence Day
High: 89 °F
Slight Chance
T-storms
Saturday Night
Low: 67 °F
Chance
T-storms
Sunday
High: 87 °F
Mostly Sunny
Sunday Night
Low: 66 °F
Mostly Clear
Monday
High: 88 °F
Mostly Sunny

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 87. South southwest wind 11 to 14 mph, with gusts as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely, mainly before 3am. Mostly cloudy, with a low around 70. South wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 91. Heat index values as high as 101. South wind 7 to 10 mph, with gusts as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Partly cloudy, with a low around 71. South southeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Independence Day

A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. South wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 20%.

Saturday Night

A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 67. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

Mostly sunny, with a high near 87.

Sunday Night

Mostly clear, with a low around 66.

Monday

Mostly sunny, with a high near 88.

Monday Night

Partly cloudy, with a low around 67.

Tuesday

Mostly sunny, with a high near 90.

Tuesday Night

Partly cloudy, with a low around 68.