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Denison, IA 51442 Weather
Today: Chance Showers And Thunderstorms, high 63°F, low 51°F. Hourly and 7-day forecast from the National Weather Service. Times are local (CDT).
Denison, IA 51442 current weather
58°F
Chance Showers And Thunderstorms
Forecast for this hour. No recent report from a nearby station.
H 63° / L 51°
No recent station report. NWS hourly forecast updated 10/30/2026, 3:27 PM PT
Hourly forecast
NWS, updated 10/30/2026, 3:27 PM PT
7-day forecast
Tap a day for details
Today10/3035% chance of precipitationLow 51°High 63°
This Afternoon: A chance of showers and thunderstorms. Mostly cloudy. High near 63, with temperatures falling to around 61 in the afternoon. East southeast wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Tonight: A chance of showers and thunderstorms. Cloudy. Low around 51, with temperatures rising to around 54 overnight. East southeast wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Chance Showers And ThunderstormsSat10/3138% chance of precipitationLow 52°High 64°
Saturday: A chance of showers and thunderstorms. Cloudy, with a high near 64. South southeast wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Saturday Night: A chance of rain showers after 8pm. Mostly cloudy. Low around 52, with temperatures rising to around 54 overnight. Southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Chance Showers And ThunderstormsSun11/151% chance of precipitationLow 53°High 63°
Sunday: Partly sunny, with a high near 63. Southeast wind 3 to 7 mph.
Sunday Night: A chance of rain showers after midnight. Cloudy, with a low around 53. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Partly SunnyMon11/299% chance of precipitationLow 52°High 65°
Monday: Showers and thunderstorms. Cloudy, with a high near 65. Chance of precipitation is 100%.
Monday Night: Showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 90%.
Showers And ThunderstormsTue11/376% chance of precipitationLow 44°High 60°
Tuesday: Rain showers. Mostly cloudy, with a high near 60. Chance of precipitation is 80%.
Tuesday Night: A chance of rain showers. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Rain ShowersWed11/436% chance of precipitationLow 41°High 59°
Wednesday: A chance of rain showers. Partly sunny, with a high near 59. Chance of precipitation is 40%.
Wednesday Night: Partly cloudy, with a low around 41.
Chance Rain ShowersThu11/520% chance of precipitationLow 38°High 56°
Thursday: A slight chance of rain showers. Partly sunny, with a high near 56.
Thursday Night: Partly cloudy, with a low around 38.
Slight Chance Rain Showers
Forecast for 42.025, -95.371 from the NWS DMX office, updated 10/30/2026, 3:27 PM PT · Official forecast on weather.gov
From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.
Next 6 hours
NWS hourly forecast
- Now58°Chance Showers And Thunderstorms27%8 mph
- 7 PM57°Chance Showers And Thunderstorms29%7 mph
- 8 PM57°Chance Showers And Thunderstorms27%7 mph
- 9 PM56°Chance Showers And Thunderstorms25%7 mph
- 10 PM56°Slight Chance Rain Showers23%7 mph
- 11 PM56°Chance Showers And Thunderstorms27%6 mph
Hourly details
Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShowHide
Radar and satellite
National radarNEXRAD (up to 24 hours) and GOES
Frequently asked questions
- What is the high temperature today in Denison, IA 51442?
- The National Weather Service forecast for this afternoon calls for a high near 63°F. Chance Showers And Thunderstorms.
- Will it rain in Denison, IA 51442 in the next 24 hours?
- The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
- What time is sunrise and sunset in Denison, IA 51442 today?
- Sunrise is about 7:52 AM CDT and sunset is about 6:18 PM CDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in Denison, IA 51442?
- At Denison, the 1991 to 2020 normal high in October is 62°F and the normal low is 39°F.
Nearby hazards
Iowa hazardsSevere storm and flash flood outlooks, expected rain, river flooding and wildfires near this area
- Severe storm outlook today:General thunderstormsOutlook map
- Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
- River gauges within 40 miles at or above flood stage: None reported
- Active wildfires within 50 miles: None reported
UV and air quality forecast
EPA and AirNow
- AQI forecast today (Southwest Iowa)
- 33GoodOzone
- AQI forecast tomorrow (Southwest Iowa)
- 35GoodOzone
Drought
By countyCrawford County, week of 10/27/2026
No drought or abnormal dryness in this county.
Sun and moon
Local time, center of the area
- Sunrise
- 7:52 AM
- Sunset
- 6:18 PM
- Daylight
- 10 hr 26 min
- Moon
- Waning Gibbous 76% lit
- First light (civil dawn)
- 7:23 AM
- Last light (civil dusk)
- 6:46 PM
- Moonrise
- 9:54 PM
- Moonset
- 1:12 PM
Normal October weather
ClimateNormal October high 62°, low 39°, precipitation 2.64 in for the month. 1991 to 2020 normals at Denison, 2 mi away.
Other places nearby
Data sources
- National Weather Service APINOAA · Official site
- Convective Outlooks and Storm ReportsNOAA Storm Prediction Center · Official site
- Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center · Official site
- National Water Prediction ServiceNOAA National Weather Service · Official site
- WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center · Official site
- UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA · Official site
- AirNowU.S. Environmental Protection Agency · Official site
- NWS HeatRisk (experimental)NOAA National Weather Service · Official site
- U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA · Official site
- BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency · Official site
- U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information · Official site
- Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services · Official site
- NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University · Official site
- GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research · Official site
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About this data
Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.
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