Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Overcast

73°F

23°C

Humidity	100%
Wind Speed	SW 8 mph
Barometer	29.95 in
Dewpoint	73°F (23°C)
Visibility	NA
Last update	25 Jul 8:55 am CDT

More Information:

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

Extended Forecast for

Defiance IA

Extreme Heat Watch July 26, 09:00pm until July 27, 10:00pm

Heat Advisory July 25, 12:00pm until July 26, 12:00pm

Dense Fog Advisory July 25, 09:04am until July 25, 10:00am

Extreme Heat Warning July 26, 12:00pm until July 26, 09:00pm

Click here for hazard details and duration

Extreme Heat Watch

Heat Advisory

...

Extreme Heat Warning

Dense Fog Advisory July 25, 09:04am until July 25, 10:00am
NOW until 10:00am Sat
Dense Fog Advisory
Today
High: 93 °F
Patchy Fog
then Mostly
Sunny
Tonight
Low: 74 °F
Partly Cloudy
Sunday
High: 95 °F
Decreasing
Clouds
Sunday Night
Low: 75 °F
Partly Cloudy
then Slight
Chance
T-storms
Monday
High: 95 °F
Sunny
Monday Night
Low: 71 °F
Partly Cloudy
Tuesday
High: 90 °F
Mostly Sunny
Tuesday Night
Low: 66 °F
Mostly Clear

Detailed Forecast

Today

Patchy fog before 10am. Otherwise, cloudy early, then gradual clearing, with a high near 93. Southwest wind around 6 mph.

Tonight

Partly cloudy, with a low around 74. South southeast wind 3 to 5 mph.

Sunday

Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 106. South wind 5 to 15 mph, with gusts as high as 22 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. South wind 8 to 14 mph, with gusts as high as 23 mph.

Monday

Sunny, with a high near 95. South southwest wind 5 to 7 mph becoming north in the afternoon.

Monday Night

Partly cloudy, with a low around 71. North northeast wind around 5 mph becoming calm in the evening.

Tuesday

Mostly sunny, with a high near 90. Light east northeast wind.

Tuesday Night

Mostly clear, with a low around 66. Calm wind.

Wednesday

Mostly sunny, with a high near 91. Calm wind becoming south southeast around 6 mph in the morning.

Wednesday Night

A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Southeast wind 3 to 5 mph.