LA CROSSE, WI 54603 Weather Forecast & Current Conditions

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LA CROSSE, WI
Current Weather

9:53 AM CDT AUG 31, 2026
Clear
81°F
Feels Like: 84°F
Dewpoint: 70°F
Rel. Hum.: 69%
Visibility: 10 miles
Wind: SW at 6 mph
Pressure: 29.83 inches
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LA CROSSE, WI 54603
Weather Forecast

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TODAY
Partly sunny. A slight chance of showers this afternoon. Warmer with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 100 this afternoon.
TONIGHT
Partly cloudy. A slight chance of showers in the evening. Humid with lows in the upper 60s. West winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent. Heat index values in the mid 90s early in the evening.
TUESDAY
Partly sunny. Humid with highs in the upper 80s. Southwest winds around 5 mph. Heat index values in the mid 90s in the afternoon.
TUESDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the upper 60s. Southwest winds around 5 mph, becoming northeast after midnight. Chance of rain 50 percent.
WEDNESDAY
Mostly sunny. Highs in the upper 80s. East winds around 5 mph, becoming north in the afternoon.
WEDNESDAY NIGHT
Partly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 40 percent.
THURSDAY
Mostly cloudy in the morning, then becoming mostly sunny. A chance of showers. Highs in the mid 80s. Chance of rain 40 percent.
THURSDAY NIGHT
Partly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 30 percent.
FRIDAY THROUGH SUNDAY
Partly cloudy. Highs in the upper 80s. Lows in the upper 60s.

Visible Weather Satellite
LA CROSSE, WI 54603
Infrared Weather Satellite
LA CROSSE, WI 54603
NEXRAD Weather Radar
LA CROSSE, WI 54603

LA CROSSE, WI 3 hourly weather forecast

weather forecast created  6:00 PM MDT  8/30/2026
Monday
31 AUG 2026
LA CROSSE, WI 54603 weather forecast Day 1, 0 hours 1 AM 77° 79° Mostly Cloudy 6%

0% Thunder
( 9% severe)
SSE   9 79% 70°
Low 74° LA CROSSE, WI 54603 weather forecast Day 1, 3 hours 4 AM 77° 79° Partly Cloudy SSE   10 76% 69°
High 92° LA CROSSE, WI 54603 weather forecast Day 1, 6 hours 7 AM 75° 75° Mostly Cloudy 2%

0% Thunder
( 5% severe)
S   8 76% 67°

Mostly Cloudy



LA CROSSE, WI 54603 weather forecast Day 1, 9 hours 10 AM 79° 82° Mostly Cloudy S   9 72% 69°
LA CROSSE, WI 54603 weather forecast Day 1, 12 hours 1 PM 85° 89° Mostly Cloudy 9%

0% Thunder
( 21% severe)
SW   9 59% 69°
LA CROSSE, WI 54603 weather forecast Day 1, 15 hours 4 PM 87° 91° Mostly Cloudy WSW   10 55% 69°
LA CROSSE, WI 54603 weather forecast Day 1, 18 hours 7 PM 84° 88° Mostly Cloudy 9%

0% Thunder
( 19% severe)
WSW   7 63% 70°
LA CROSSE, WI 54603 weather forecast Day 1, 21 hours 10 PM 78° 80° Partly Cloudy NW   5 76% 70°
Tuesday
1 SEP 2026
LA CROSSE, WI 54603 weather forecast Day 2, 0 hours 1 AM 76° 77° Partly Cloudy 19%
RAIN
***
0% Thunder
( 16% severe)
NW   2 79% 69°
Low 71° LA CROSSE, WI 54603 weather forecast Day 2, 3 hours 4 AM 73° 73° Partly Cloudy   CALM 84% 68°
High 90° LA CROSSE, WI 54603 weather forecast Day 2, 6 hours 7 AM 71° 71° Partly Cloudy 2%

0% Thunder
( 14% severe)
  CALM 87% 67°

Mostly Cloudy



LA CROSSE, WI 54603 weather forecast Day 2, 9 hours 10 AM 76° 77° Mostly Cloudy SSW   3 74% 67°
LA CROSSE, WI 54603 weather forecast Day 2, 12 hours 1 PM 83° 84° Mostly Cloudy 2%

0% Thunder
( 19% severe)
WSW   6 53% 64°
LA CROSSE, WI 54603 weather forecast Day 2, 15 hours 4 PM 86° 87° Mostly Cloudy SW   7 46% 63°
LA CROSSE, WI 54603 weather forecast Day 2, 18 hours 7 PM 82° 84° Mostly Cloudy 8%

0% Thunder
( 24% severe)
SSW   3 56% 65°
LA CROSSE, WI 54603 weather forecast Day 2, 21 hours 10 PM 77° 79° Mostly Cloudy W   1 69% 66°

LA CROSSE, WI extended weather forecast

BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
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BAD DATE
Low 72° Low 67° Low 68° Low 69° Low 66°
High 96° High 89° High 90° High 91° High 87°
LA CROSSE, WI 54603 weather forecast Day 3 LA CROSSE, WI 54603 weather forecast Day 4 LA CROSSE, WI 54603 weather forecast Day 5 LA CROSSE, WI 54603 weather forecast Day 6 LA CROSSE, WI 54603 weather forecast Day 7
Partly Cloudy
18% Rain
Mostly Cloudy
41% Rain
Mostly Cloudy
24% Rain
Mostly Cloudy
42% Rain
Partly Cloudy
16% Rain
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