Weather forecast for tomorrow
Grand Mound, IA

Weather forecast for tomorrow

Tuesday, Jun 17.

PM Thunderstorms
5:25 am

8:41 pm
CDT
PM Thunderstorms
90°F / 66°F
  • Wind: 11mph SW
  • Humidity: 66%
  • Precip. probability: 76%
  • Precipitation: 0.63"
  • UV index: 8
Tomorrow, on Tuesday, rain with scattered lightning is expected during the afternoon.
The likelihood of rain is high, and precipitation will be moderate. The temperature is forecasted to oscillate between a maximum of a blazing 89.6°F and a minimum of an enjoyable 66.2°F.
The maximum heat index, which combines relative humidity and air temperature, is calculated to be a fiery hot 102.2°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The temperature of 89.6°F reflects July's climate better than June's.
Sunrise will be at 5:25 am and sunset at 8:41 pm; tomorrow's daylight will last for 15h and 16min.

Frequently asked questions

What is the weather forecast for Grand Mound for tomorrow?
On Tuesday, in Grand Mound, thunderstorms may form in the afternoon with sudden rainfall.
Will it rain tomorrow in Grand Mound?
Moderate precipitation of 0.63" is forecasted. The possibility of rainfall is 76%.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature in Grand Mound will be 89.6°F, while the lowest temperature will be 66.2°F. The maximum heat index, which represents the influence of relative humidity on air temperature, is computed to be 102.2°F.
The highest temperature will be notably higher than the average maximum of 78.4°F in June. The lowest temperature will be relatively higher than the average low of 61.5°F.
What time are sunrise and sunset tomorrow?
On Tuesday, in Grand Mound, sunrise will be at 5:25 am and sunset at 8:41 pm (CDT).
How many hours of daylight will Grand Mound have tomorrow?
Tomorrow, the daylight will last for 15h and 16min.

Hourly weather forecast

12 am
  • 68°F
  • Feels like:
    72°F
Few Showers
Few Showers
  • Wind: 5mph SSE
  • Pressure: 29.77"Hg
  • Humidity: 96%
  • Precip. probability: 34%
  • Precipitation: 0.04"
  • Visibility: 7mi
2 am
  • 68°F
  • Feels like:
    70°F
Few Showers
Few Showers
  • Wind: 5mph SE
  • Pressure: 29.74"Hg
  • Humidity: 97%
  • Precip. probability: 31%
  • Precipitation: 0.04"
  • Visibility: 5mi
4 am
  • 68°F
  • Feels like:
    70°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 5mph ESE
  • Pressure: 29.74"Hg
  • Humidity: 100%
  • Precip. probability: 20%
  • Precipitation: 0"
  • Visibility: 2mi
Sunrise: 5:25 am
6 am
  • 66°F
  • Feels like:
    70°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 6mph E
  • Pressure: 29.74"Hg
  • Humidity: 100%
  • Precip. probability: 59%
  • Precipitation: 0.08"
  • Visibility: 2mi
8 am
  • 70°F
  • Feels like:
    72°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 7mph ENE
  • Pressure: 29.71"Hg
  • Humidity: 97%
  • Precip. probability: 52%
  • Precipitation: 0.08"
  • Visibility: 2mi
10 am
  • 72°F
  • Feels like:
    73°F
Thunderstorms
Thunderstorms
  • Wind: 7mph SE
  • Pressure: 29.68"Hg
  • Humidity: 90%
  • Precip. probability: 73%
  • Precipitation: 0.08"
  • Visibility: 4mi
12 pm
  • 73°F
  • Feels like:
    75°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 7mph ESE
  • Pressure: 29.65"Hg
  • Humidity: 85%
  • Precip. probability: 46%
  • Precipitation: 0.08"
  • Visibility: 6mi
2 pm
  • 75°F
  • Feels like:
    81°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 9mph WNW
  • Pressure: 29.62"Hg
  • Humidity: 79%
  • Precip. probability: 49%
  • Precipitation: 0.04"
  • Visibility: 7mi
4 pm
  • 77°F
  • Feels like:
    81°F
Few Showers
Few Showers
  • Wind: 11mph WNW
  • Pressure: 29.62"Hg
  • Humidity: 77%
  • Precip. probability: 31%
  • Precipitation: 0.04"
  • Visibility: 9mi
6 pm
  • 75°F
  • Feels like:
    77°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 10mph WNW
  • Pressure: 29.65"Hg
  • Humidity: 77%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 73°F
  • Feels like:
    75°F
Few Showers
Few Showers
  • Wind: 9mph NW
  • Pressure: 29.68"Hg
  • Humidity: 82%
  • Precip. probability: 32%
  • Precipitation: 0.04"
  • Visibility: 9mi
Sunset: 8:41 pm
10 pm
  • 68°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph NW
  • Pressure: 29.74"Hg
  • Humidity: 89%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 9mi
Tomorrow, on Tuesday, a combination of overcast, storm-filled and showery weather is anticipated.
Rain is forecasted from 12 am to 2 am, and from 5 am to 4 pm and at 8 pm. With light precipitation of 0.12", most rainfall is expected at 5 am.
The temperature will vary between the lowest temperature of 66.2°F and the highest temperature of 77°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum is expected to resemble July's average high of 80.4°F rather than June's. Forecasts indicate a night temperature moderately higher than the usual June minimum of 61.5°F.
Updated: Jun 17, 2025 @ 04:14:41 UTC
Published by: Weather U.S. | About Us
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