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Iowa County, WI Weather Forecast

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Clear

74°F

Updated	10:23 am
Feels Like	69°F
Humidity	76%
Wind	N 0 mph
Barometer	29.95 in
Dew Point	66°F

Clear

23°C

Updated	10:23 am
Feels Like	21°C
Humidity	76%
Wind	N 0 km/h
Barometer	101.4 kPa
Dew Point	19°C

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Cloud Cover	78%
uv UV Index	3
Sunrise	6:09 AM
Sunset	7:58 PM
Moonrise	12:56 PM
Moonset	10:29 PM

Civil Twilight
5:38 AM to 6:08 AM
7:57 PM to 8:27 PM
Iowa County WI Weather - Waxing Crescent Moon

Waxing Crescent Moon

Iowa County Weather Forecast

TODAY	TONIGHT	WEDNESDAY	WEDNESDAY NIGHT	THURSDAY	THURSDAY NIGHT	FRIDAY	FRIDAY NIGHT	SATURDAY	SATURDAY NIGHT	SUNDAY	SUNDAY NIGHT

Chance of T-Storm	Chance of T-Storm	Clearing	Mostly Clear	Sunny	Chance of T-Storm	Chance of T-Storm	Chance of T-Storm	Mostly Sunny	Mostly Clear	Mostly Sunny	Partly Cloudy
Hi: 79°FHi: 26°C	Lo: 60°FLo: 16°C	Hi: 79°FHi: 26°C	Lo: 59°FLo: 15°C	Hi: 79°FHi: 26°C	Lo: 61°FLo: 16°C	Hi: 80°FHi: 27°C	Lo: 61°FLo: 16°C	Hi: 79°FHi: 26°C	Lo: 59°FLo: 15°C	Hi: 75°FHi: 24°C	Lo: 59°FLo: 15°C
POP: 50%	POP: 30%				POP: 40%	POP: 50%	POP: 40%

POP = Probability of Precipitation.

Weather Outlook Updated: 731 AM CDT Tue Aug 18 2026 Iowa County, WI Weather - WeatherWorld.com

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Iowa County Forecast Discussion

Issued: 550 AM CDT Tue Aug 18 2026

Key Messages

Chance of showers and storms today; coverage remains uncertain. A few stronger storms with hail and gusty winds are possible in the mid to late afternoon into the evening.
Dry and pleasant conditions Wednesday through Thursday. Rain chances return Friday, but overall nice weather is expected for the weekend.

Aviation

... Issued 550 AM CDT Tue Aug 18 2026

A decaying line of showers are beginning to make their way into southwestern WI this morning. Overall, m...

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Tsunami Warning

For products of the Pacific Tsunami Warning Center (PTWC - Pacific (except Alaska, British Columbia and Western States) Hawaii, Caribbean (except Puerto Rico, Virgin Is.), Indian Ocean): The highest level of tsunami alert. Warnings are issued due to the imminent threat of a tsunami from a large undersea earthquake or following confirmation that a potentially destructive tsunami is underway. They may initially be based only on seismic information as a means of providing the earliest possible alert. Warnings advise that appropriate actions be taken in response to the tsunami threat. Such actions could include the evacuation of low-lying coastal areas and the movement of boats and ships out of harbors to deep water. Warnings are updated at least hourly or as conditions warrant to continue, expand, restrict, or end the warning. For products of the West Coast/Alaska Tsunami Warning Center (WC/ATWC - Alaska, British Columbia and Western States, Canada, Eastern and Gulf States, Puerto Rico, U.S Virgin Islands): A tsunami warning is issued when a potential tsunami with significant widespread inundation is imminent or expected. Warnings alert the public that widespread, dangerous coastal flooding accompanied by powerful currents is possible and may continue for several hours after arrival of the initial wave. Warnings also alert emergency management officials to take action for the entire tsunami hazard zone. Appropriate actions to be taken by local officials may include the evacuation of low-lying coastal areas, and the repositioning of ships to deep waters when there is time to safely do so. Warnings may be updated, adjusted geographically, downgraded, or canceled. To provide the earliest possible alert, initial warnings are normally based only on seismic information.