Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Newsletters
  • Advertising
  • Superior Accuracy™
Dangerous heat wave to impact 170 million people in Midwest and Northeast Chevron right
Hurricane Erick makes landfall in Mexico as dangerous Category 3 storm. Get the latest Chevron right

Potosi, WI

75°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Potosi

Wisconsin

75°
No results found.
Try searching for a city, zip code or point of interest.
settings
Potosi, WI Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Newsletters

Advertising

Superior Accuracy™

Video

Winter Center

Today Hourly

Daily

Radar MinuteCast Monthly Air Quality Health & Activities
Extreme Heat Watch

June 19 - August 2

Thu 6/19

84° /64°
1%
Sunny and warmer

RealFeel®87°

RealFeel Shade™81°

Max UV Index10 (Very High)

WindWNW 8 mph

Fri 6/20

86° /72°
49%
Partly sunny and humid with a thunderstorm in parts of the area

RealFeel®91°

RealFeel Shade™88°

Max UV Index10 (Very High)

WindSSW 12 mph

Sat 6/21

93° /73°
3%
Breezy and humid with plenty of sunshine
alerts

Extreme Heat Watch

12:00 PM Saturday - 9:00 PM Sunday

RealFeel®100°

RealFeel Shade™96°

Max UV Index10 (Very High)

WindSSW 15 mph

Sun 6/22

94° /72°
1%
Some clouds, then sunshine, breezy and hot; caution advised if doing strenuous activities outside
alerts

Extreme Heat Watch

12:00 PM Saturday - 9:00 PM Sunday

RealFeel®100°

RealFeel Shade™96°

Max UV Index10 (Very High)

WindSSW 16 mph

Mon 6/23

89° /66°
25%
Breezy in the morning; otherwise, sunny to partly cloudy and humid

RealFeel®96°

RealFeel Shade™91°

Max UV Index10 (Very High)

WindSW 12 mph

Tue 6/24

80° /67°
88%
Cloudy and humid with a couple of showers and a thunderstorm

RealFeel®89°

RealFeel Shade™84°

Max UV Index4 (Moderate)

WindWSW 6 mph

Wed 6/25

81° /68°
68%
Humid with clouds and breaks of sun; a thunderstorm or two in the afternoon

RealFeel®91°

RealFeel Shade™85°

Max UV Index10 (Very High)

WindSW 8 mph

Thu 6/26

80° /67°
7%
Humid with partial sunshine

RealFeel®92°

RealFeel Shade™86°

Max UV Index10 (Very High)

WindSW 6 mph

Fri 6/27

76° /66°
40%
A thunderstorm around in the morning; otherwise, mainly cloudy and humid

RealFeel®85°

RealFeel Shade™77°

Max UV Index10 (Very High)

WindW 10 mph

Sat 6/28

77° /63°
55%
Occasional morning rain; otherwise, rather cloudy

RealFeel®80°

RealFeel Shade™76°

Max UV Index5 (Moderate)

WindNNW 5 mph

Sun 6/29

79° /65°
55%
Cloudy and humid with occasional rain

RealFeel®84°

RealFeel Shade™82°

Max UV Index2 (Low)

WindNNE 8 mph

Mon 6/30

81° /66°
56%
Remaining cloudy; a little morning rain followed by a shower in spots in the afternoon

RealFeel®81°

RealFeel Shade™80°

Max UV Index2 (Low)

WindENE 8 mph

Tue 7/1

83° /67°
40%
A morning shower in the area; otherwise, partly sunny

RealFeel®89°

RealFeel Shade™81°

Max UV Index9 (Very High)

WindE 5 mph

Wed 7/2

80° /61°
61%
Mostly cloudy with a couple of showers and a thunderstorm in the afternoon

RealFeel®84°

RealFeel Shade™80°

Max UV Index4 (Moderate)

WindNW 4 mph

Thu 7/3

82° /65°
10%
Mostly sunny and humid

RealFeel®91°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindN 4 mph

Fri 7/4

82° /65°
25%
Sunny and humid

RealFeel®90°

RealFeel Shade™85°

Max UV Index10 (Very High)

WindSE 5 mph

Sat 7/5

81° /66°
39%
Mostly sunny and humid; a thunderstorm around in the afternoon

RealFeel®91°

RealFeel Shade™86°

Max UV Index10 (Very High)

WindSW 5 mph

Sun 7/6

81° /66°
65%
Mostly cloudy and humid; a couple of showers and a thunderstorm in the afternoon

RealFeel®87°

RealFeel Shade™85°

Max UV Index5 (Moderate)

WindS 4 mph

Mon 7/7

80° /65°
57%
A couple of showers in the morning; otherwise, humid with a thick cloud cover

RealFeel®86°

RealFeel Shade™86°

Max UV Index3 (Moderate)

WindWSW 4 mph

Tue 7/8

80° /64°
10%
Sunny and less humid

RealFeel®82°

RealFeel Shade™76°

Max UV Index10 (Very High)

WindNW 13 mph

Wed 7/9

76° /61°
10%
Mostly sunny

RealFeel®80°

RealFeel Shade™72°

Max UV Index10 (Very High)

WindNW 10 mph

Thu 7/10

76° /60°
20%
Mostly sunny

RealFeel®81°

RealFeel Shade™73°

Max UV Index10 (Very High)

WindW 7 mph

Fri 7/11

77° /60°
25%
Increasing cloudiness

RealFeel®81°

RealFeel Shade™77°

Max UV Index7 (High)

WindSSE 4 mph

Sat 7/12

77° /61°
79%
Mostly cloudy and humid; morning rain followed by a thundershower in the afternoon

RealFeel®80°

RealFeel Shade™77°

Max UV Index2 (Low)

WindW 7 mph

Sun 7/13

76° /58°
10%
Brilliant sunshine and less humid

RealFeel®82°

RealFeel Shade™74°

Max UV Index10 (Very High)

WindWNW 6 mph

Mon 7/14

75° /59°
25%
Cloudy

RealFeel®74°

RealFeel Shade™74°

Max UV Index3 (Moderate)

WindSE 7 mph

Tue 7/15

76° /65°
78%
Cloudy and humid; a morning shower followed by rain in the afternoon

RealFeel®80°

RealFeel Shade™80°

Max UV Index3 (Moderate)

WindSSW 9 mph

Wed 7/16

79° /64°
20%
Mostly sunny and humid

RealFeel®85°

RealFeel Shade™78°

Max UV Index10 (Very High)

WindWNW 6 mph

Thu 7/17

78° /65°
10%
Sunshine and humid

RealFeel®86°

RealFeel Shade™82°

Max UV Index10 (Very High)

WindS 6 mph

Fri 7/18

83° /67°
63%
Intervals of clouds and sunshine with a couple of showers and a thunderstorm; humid

RealFeel®87°

RealFeel Shade™87°

Max UV Index5 (Moderate)

WindS 10 mph

Sat 7/19

82° /66°
63%
Cloudy; humid with a couple of showers and a thunderstorm

RealFeel®89°

RealFeel Shade™89°

Max UV Index2 (Low)

WindSW 5 mph

Sun 7/20

81° /63°
20%
Less humid with plenty of sunshine

RealFeel®88°

RealFeel Shade™80°

Max UV Index10 (Very High)

WindN 5 mph

Mon 7/21

77° /63°
20%
Sunny

RealFeel®83°

RealFeel Shade™77°

Max UV Index10 (Very High)

WindSE 6 mph

Tue 7/22

79° /66°
25%
Partly sunny and humid

RealFeel®88°

RealFeel Shade™85°

Max UV Index10 (Very High)

WindSSE 8 mph

Wed 7/23

84° /66°
25%
Mostly cloudy and uncomfortably humid

RealFeel®95°

RealFeel Shade™92°

Max UV Index3 (Moderate)

WindSW 6 mph

Thu 7/24

83° /65°
25%
Less humid with times of sun and clouds

RealFeel®85°

RealFeel Shade™83°

Max UV Index7 (High)

WindN 8 mph

Fri 7/25

77° /61°
25%
After a cloudy start, sunshine returns with low humidity

RealFeel®83°

RealFeel Shade™75°

Max UV Index9 (Very High)

WindENE 6 mph

Sat 7/26

76° /64°
20%
Mostly sunny and humid

RealFeel®83°

RealFeel Shade™79°

Max UV Index9 (Very High)

WindSSE 6 mph

Sun 7/27

82° /66°
5%
Sunny and humid

RealFeel®91°

RealFeel Shade™87°

Max UV Index9 (Very High)

WindS 5 mph

Mon 7/28

84° /66°
20%
Humid with some sunshine

RealFeel®92°

RealFeel Shade™90°

Max UV Index5 (Moderate)

WindS 9 mph

Tue 7/29

84° /67°
20%
Uncomfortably humid with plenty of sunshine

RealFeel®95°

RealFeel Shade™92°

Max UV Index9 (Very High)

WindS 7 mph

Wed 7/30

83° /66°
5%
Humid with plenty of sunshine

RealFeel®93°

RealFeel Shade™90°

Max UV Index9 (Very High)

WindS 7 mph

Thu 7/31

83° /67°
25%
Humid with times of clouds and sun

RealFeel®89°

RealFeel Shade™88°

Max UV Index8 (Very High)

WindSW 8 mph

Fri 8/1

77° /58°
1%
Partly sunny

RealFeel®82°

RealFeel Shade™75°

Max UV Index9 (Very High)

WindE 6 mph

Sat 8/2

76° /61°
57%
Partly sunny with a passing shower in the afternoon

RealFeel®77°

RealFeel Shade™73°

Max UV Index9 (Very High)

WindSSE 10 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Heat wave to push temps near 100 F across central, eastern US

46 minutes ago

Hurricane

Erick makes landfall in Mexico as major hurricane

1 hour ago

Severe Weather

Damaging, disruptive storms to target NYC, Philly and DC

55 minutes ago

Recreation

Lightning strikes hikers, prompts record rescue on Colorado mountain

22 hours ago

Astronomy

SpaceX's Starship explodes in pre-flight test

1 hour ago

More Stories

Featured Stories

Severe Weather

Rare high-elevation tornado confirmed at Pikes Peak

19 hours ago

Astronomy

Summer solstice: Everything to know about the year's longest day

1 hour ago

Astronomy

Meteorological summer vs. astronomical summer explained

3 days ago

Weather News

5 times the American flag survived extreme weather

2 days ago

Weather News

First methane-powered sea spiders found crawling on the ocean floor

1 day ago

World North America United States Wisconsin Potosi

Weather Near Potosi:

  • Beloit, WI
  • Janesville, WI
  • Madison, WI
Company
Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2025 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information

...

...

...