Hazardous Weather Conditions
Current conditions at
Denison (KDNS)
Lat: 41.98°NLon: 95.38°WElev: 1273ft.
Fair
86°F
30°C
| Humidity | 18% |
| Wind Speed | S 10 mph |
| Barometer | 29.57 in |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 21 Mar 6:55 pm CDT |
Extended Forecast for
Denison IA
Red Flag Warning March 21, 07:20pm until March 21, 10:00pm
NOW until 10:00pm Sat
Red Flag Warning
Tonight
Low: 44 °F
Mostly Clear
then Partly
Cloudy and
BreezySunday

High: 55 °F
Decreasing
Clouds and
WindySunday Night

Low: 29 °F
Mostly Clear
Monday

High: 55 °F
Partly Sunny
Monday Night

Low: 37 °F
Mostly Cloudy
Tuesday

High: 63 °F
Partly Sunny
Tuesday Night

Low: 44 °F
Mostly Cloudy
Wednesday

High: 73 °F
Partly Sunny
Detailed Forecast
Tonight
Increasing clouds, with a low around 44. Breezy, with a south southwest wind 7 to 12 mph becoming north northeast 15 to 20 mph after midnight. Winds could gust as high as 33 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 55. Windy, with a north wind 18 to 22 mph, with gusts as high as 36 mph.
Sunday Night
Mostly clear, with a low around 29. North wind 6 to 11 mph becoming light northeast in the evening. Winds could gust as high as 20 mph.
Monday
Partly sunny, with a high near 55. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 37. South wind around 7 mph.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
Partly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 65. Breezy.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 52.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Partly sunny, with a high near 53.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Denison IA
42.03°N 95.35°W
42.03°N 95.35°W
6:06 pm CDT Mar 21, 2026
7pm CDT Mar 21, 2026-6pm CDT Mar 28, 2026



