Helena, WI Weather Forecast

Local 7-day forecast

75°
F

Chance Showers And Thunderstorms then Mostly Cloudy

Track current conditions, temperature changes, wind, and the full daily outlook for Helena, WI in one place.

Tuesday, September 15, 2026
Wind: 5 to 10 mph W
Tuesday

A chance of showers and thunderstorms before 11am. Mostly cloudy, with a high near 75. West wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Helena, WI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 14, 2026 6:56 PM CDT.

The active forecast window currently covers Sep 15 to Sep 20, 2026 for Helena, WI.

Page Snapshot

Page focus
city weather
Forecast window
Sep 15 to Sep 20, 2026
Latest sync
Sep 14, 2026 6:56 PM CDT
Forecast office
MKX
Source
NOAA / NWS
Next High
75°F
Tuesday
Next Low
51°F
Tuesday Night
Rain Outlook
11
Periods mentioning precipitation
Windiest
5 to 10 mph
Tuesday

Daily Outlook

Today
Sep 15
Chance Showers And Thunderstorms then Mostly Cloudy
75 °F
/ 51°F
Wind 5 to 10 mph
Wed
Sep 16
Chance Rain Showers
71 °F
/ 59°F
Wind 0 to 5 mph
Thu
Sep 17
Rain Showers Likely
77 °F
/ 60°F
Wind 0 to 5 mph
Fri
Sep 18
Rain Showers Likely
77 °F
/ 63°F
Wind 0 to 5 mph
Sat
Sep 19
Showers And Thunderstorms Likely
78 °F
/ 59°F
Wind 5 to 10 mph
Sun
Sep 20
Chance Rain Showers
73 °F
/ 55°F
Wind 5 to 10 mph

This Week in Helena

Saturday looks like the warmest upcoming period in Helena at 78 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 51 degrees F.

The strongest winds are forecast for Tuesday at about 5 to 10 mph W.

Precipitation is mentioned in 11 upcoming forecast periods.

Forecast Details

Last updated
Sep 14, 2026 6:56 PM CDT
Coverage
6 days
Time zone
America/Chicago
Forecast office
MKX
Radar station
KARX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Tuesday Night
Sep 15
51°F
Partly Cloudy
0 to 5 mph N

Partly cloudy, with a low around 51. North wind 0 to 5 mph.

Wednesday
Sep 16
71°F
Chance Rain Showers
0 to 5 mph E

A chance of rain showers between 7am and 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 71. East wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.

Wednesday Night
Sep 16
59°F
Showers And Thunderstorms Likely
0 to 5 mph SE

Showers and thunderstorms likely. Mostly cloudy, with a low around 59. Southeast wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

Thursday
Sep 17
77°F
Rain Showers Likely
0 to 5 mph N

Rain showers likely before 1pm. Mostly cloudy, with a high near 77. North wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night
Sep 17
60°F
Chance Rain Showers
0 mph

A chance of rain showers after 7pm. Mostly cloudy, with a low around 60. Northeast wind around 0 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.

Friday
Sep 18
77°F
Rain Showers Likely
0 to 5 mph E

Rain showers likely. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.

Friday Night
Sep 18
63°F
Showers And Thunderstorms Likely
5 mph S

A chance of rain showers before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

Saturday
Sep 19
78°F
Showers And Thunderstorms Likely
5 to 10 mph SW

Showers and thunderstorms likely. Partly sunny, with a high near 78. Chance of precipitation is 60%.

Saturday Night
Sep 19
59°F
Showers And Thunderstorms Likely
5 mph NE

Showers and thunderstorms likely. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

Sunday
Sep 20
73°F
Chance Rain Showers
5 to 10 mph NE

A chance of rain showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.

Sunday Night
Sep 20
55°F
Slight Chance Showers And Thunderstorms
5 mph NE

A chance of rain showers before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.

Detailed Forecast

Period Conditions Temp Wind
Tuesday
Sep 15
Chance Showers And Thunderstorms then Mostly Cloudy
75°F
5 to 10 mph
W
Tuesday Night
Sep 15
Partly Cloudy
51°F
0 to 5 mph
N
Wednesday
Sep 16
Chance Rain Showers
71°F
0 to 5 mph
E
Wednesday Night
Sep 16
Showers And Thunderstorms Likely
59°F
0 to 5 mph
SE
Thursday
Sep 17
Rain Showers Likely
77°F
0 to 5 mph
N
Thursday Night
Sep 17
Chance Rain Showers
60°F
0 mph
Friday
Sep 18
Rain Showers Likely
77°F
0 to 5 mph
E
Friday Night
Sep 18
Showers And Thunderstorms Likely
63°F
5 mph
S
Saturday
Sep 19
Showers And Thunderstorms Likely
78°F
5 to 10 mph
SW
Saturday Night
Sep 19
Showers And Thunderstorms Likely
59°F
5 mph
NE
Sunday
Sep 20
Chance Rain Showers
73°F
5 to 10 mph
NE
Sunday Night
Sep 20
Slight Chance Showers And Thunderstorms
55°F
5 mph
NE
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.