Weather forecast for tomorrowBig Mound, IA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 12mphS 186°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:21 am CDT
- Sunset: 6:22 pm CDT
- details ▼
Tomorrow, on Sunday, the outlook remains bright and sunny.
A significant variation in temperature is anticipated, ranging from a high of an enjoyable 66.2°F to a low of an icy 39.2°F.
October's standard high of 62.8°F is anticipated to be reached during the day.
Sunrise will be at 7:21 am and sunset at 6:22 pm; tomorrow's daylight will last for 11h and 1min.
A significant variation in temperature is anticipated, ranging from a high of an enjoyable 66.2°F to a low of an icy 39.2°F.
October's standard high of 62.8°F is anticipated to be reached during the day.
Sunrise will be at 7:21 am and sunset at 6:22 pm; tomorrow's daylight will last for 11h and 1min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 6 am 4%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphS 184°
- Humidity: 75%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphS 182°
- Humidity: 77%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:36°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphS 182°
- Humidity: 81%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphS 180°
- Humidity: 85%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:21 am
- 8 am
- 41°F
- Feels like:37°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphS 179°
- Humidity: 83%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 52°F
- Feels like:48°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphS 185°
- Humidity: 63%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 61°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSSW 195°
- Humidity: 49%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSSW 194°
- Humidity: 45%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphS 184°
- Humidity: 43%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:61°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphS 172°
- Humidity: 50%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:22 pm
- 8 pm
- 54°F
- Feels like:52°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSSE 169°
- Humidity: 66%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:46°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphS 170°
- Humidity: 74%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, clear skies and sunny weather are expected.
The temperature will be between the lowest temperature of 39.2°F and the highest temperature of 64.4°F. The warmest part of the day will be from 2 pm to 5 pm.
Tomorrow, the high temperature will be similar to October's average. Forecast models suggest a low more resembling November's typical minimum of 34.7°F than October's usual 46°F.
The temperature will be between the lowest temperature of 39.2°F and the highest temperature of 64.4°F. The warmest part of the day will be from 2 pm to 5 pm.
Tomorrow, the high temperature will be similar to October's average. Forecast models suggest a low more resembling November's typical minimum of 34.7°F than October's usual 46°F.
Updated: Oct 18, 2026 @ 02:05:33 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, sun-filled conditions are expected to persist.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 39.2°F.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. Tomorrow, the lowest temperature will be slightly cooler than the average low temperature.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. Tomorrow, the lowest temperature will be slightly cooler than the average low temperature.
On Sunday, in Big Mound, sunrise will be at 7:21 am and sunset at 6:22 pm (CDT).
In Big Mound, the length of the day tomorrow will be 11h and 1min.
