Columbus, WI Weather Forecast & Current Conditions

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Columbus Weather Map
UTC Time: 9/20/2026, 00:37
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Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Columbus, WI Regional Weather

Expires:202609200100;;737279
ASUS43 KMKX 200020
RWRWI 

WISCONSIN REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
700 PM CDT SAT SEP 19 2026

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.


WIZ056-057-062-063-064-067-068-200100-
SOUTH CENTRAL WISCONSIN
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
REEDSBURG      CLOUDY    64  63  96 NE5       29.95S TC  18           
6HR MIN TEMP:  63; 6HR MAX TEMP:  65;                                

BARABOO/DELLS  DRIZZLE   63  62  98 NE5       29.96S TC  17           
6HR MIN TEMP:  62; 6HR MAX TEMP:  64; 6HR PCP:  0.06;                

LONE ROCK      LGT RAIN  65  65 100 E6        29.93S FOG     TC  18   
6HR MIN TEMP:  64; 6HR MAX TEMP:  68; 6HR PCP:  0.12;                

MINERAL POINT  NOT AVBL                                               
MADISON        LGT RAIN  64  64 100 CALM      29.95R FOG     TC  18   
6HR MIN TEMP:  64; 6HR MAX TEMP:  65; 6HR PCP:  0.08;                

MIDDLETON      CLOUDY    66  66 100 SE3       29.96R TC  19           
6HR MIN TEMP:  65; 6HR MAX TEMP:  66; 6HR PCP:  0.18;                

WATERTOWN      DRIZZLE   64  64 100 CALM      29.96R TC  18           
6HR MIN TEMP:  64; 6HR MAX TEMP:  66; 6HR PCP:  0.11;                

MONROE         CLOUDY    69  69 100 CALM      29.94S TC  21           
6HR MIN TEMP:  67; 6HR MAX TEMP:  69; 6HR PCP:  0.04;                

JANESVILLE     CLOUDY    66  66 100 E5        29.94S TC  19           
$$
 

SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Columbus, WI

Late Afternoon
Thunderstorms
58°14°
70%
Sunday
Cloudy
65°/ 50° 18°/ 10°
0%
Monday
Rain Showers
62°/ 45° 17°/
20%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
65°/ 48° 18°/
0%
Thursday
Rain Showers
68°/ 50° 20°/ 10°
20%
Friday
Mostly Cloudy
72°/ 48° 22°/
0%
Saturday
Partly Cloudy
72°22°
0%

Day: Cloudy with scattered showers and chance of thunderstorms. East winds 5 to 10 mph. Chance of precipitation 50 percent.

Night: Cloudy. Chance of thunderstorms in the evening. Numerous rain showers until early morning, then scattered rain showers early in the morning. Lows in the upper 50s. Northeast winds 5 to 10 mph. Chance of precipitation 70 percent.

Beaver Dam, WI

Late Afternoon
Thunderstorms
58°14°
70%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
20%
Monday
Mostly Cloudy
62°/ 48° 17°/
20%
Tuesday
Mostly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
65°/ 48° 18°/
0%
Thursday
Partly Cloudy
68°/ 50° 20°/ 10°
0%
Friday
Mostly Cloudy
72°/ 50° 22°/ 10°
0%
Saturday
Sunny
72°22°
0%

Day: Cloudy with scattered showers and chance of thunderstorms. East winds 5 to 10 mph. Chance of precipitation 50 percent.

Night: Chance of thunderstorms through around midnight. Numerous rain showers until early morning, then scattered rain showers early in the morning. Lows in the upper 50s. Northeast winds 5 to 15 mph. Chance of precipitation 70 percent.

Watertown, WI

Late Afternoon
Thunderstorms
60°16°
100%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
50%
Monday
Rain Showers
62°/ 48° 17°/
40%
Tuesday
Rain Showers
62°/ 48° 17°/
20%
Wednesday
Partly Cloudy
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Mostly Cloudy
72°/ 50° 22°/ 10°
0%
Saturday
Partly Cloudy
72°22°
0%

Day: Showers and chance of thunderstorms. Some thunderstorms may produce heavy rainfall. East winds around 5 mph. Chance of precipitation near 100 percent.

Night: Showers and chance of thunderstorms until early morning, then numerous showers early in the morning. Some thunderstorms may produce heavy rainfall until early morning. Lows around 60. Northeast winds 5 to 15 mph. Chance of precipitation 90 percent.

Madison, WI

Late Afternoon
Thunderstorms
58°14°
70%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
50%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Rain Showers
62°/ 48° 17°/
20%
Wednesday
Partly Cloudy
65°/ 48° 18°/
0%
Thursday
Rain Showers
68°/ 52° 20°/ 11°
20%
Friday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Saturday
Partly Cloudy
72°22°
0%

Day: Cloudy with scattered showers and chance of thunderstorms. Some thunderstorms may produce heavy rainfall. East winds around 5 mph. Chance of precipitation 50 percent.

Night: Cloudy. Numerous rain showers and chance of thunderstorms until early morning, then numerous rain showers early in the morning. Some thunderstorms may produce heavy rainfall until early morning. Lows in the upper 50s. Northeast winds 5 to 15 mph. Chance of precipitation 70 percent.

Berlin, WI

Late Afternoon
Thunderstorms
55°13°
50%
Sunday
Mostly Cloudy
65°/ 48° 18°/
0%
Monday
Mostly Cloudy
62°/ 45° 17°/
20%
Tuesday
Partly Cloudy
60°/ 45° 16°/
0%
Wednesday
Partly Cloudy
62°/ 48° 17°/
0%
Thursday
Rain Showers
65°/ 48° 18°/
20%
Friday
Partly Cloudy
70°/ 48° 21°/
0%
Saturday
Sunny
72°22°
0%

Day: Cloudy with scattered showers and chance of thunderstorms. East winds 5 to 10 mph. Chance of precipitation 50 percent.

Night: Cloudy. Scattered rain showers and chance of thunderstorms in the evening, then scattered rain showers in the late evening and overnight. Lows in the mid 50s. Northeast winds 5 to 15 mph. Chance of precipitation 50 percent.

Fond Du Lac, WI

Late Afternoon
Thunderstorms
58°14°
60%
Sunday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Monday
Cloudy
62°/ 48° 17°/
0%
Tuesday
Partly Cloudy
60°/ 48° 16°/
0%
Wednesday
Partly Cloudy
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Friday
Partly Cloudy
70°/ 50° 21°/ 10°
0%
Saturday
Sunny
72°22°
0%

Day: Cloudy with scattered showers and chance of thunderstorms. East winds 5 to 10 mph. Chance of precipitation 50 percent.

Night: Cloudy. Numerous rain showers and chance of thunderstorms in the evening, then scattered rain showers in the late evening and overnight. Lows in the upper 50s. Northeast winds 5 to 15 mph. Chance of precipitation 60 percent.

Baraboo, WI

Late Afternoon
Thunderstorms
55°13°
70%
Sunday
Cloudy
65°/ 48° 18°/
0%
Monday
Rain Showers
62°/ 45° 17°/
40%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
65°/ 48° 18°/
0%
Thursday
Rain Showers
68°/ 50° 20°/ 10°
20%
Friday
Partly Cloudy
72°/ 50° 22°/ 10°
0%
Saturday
Partly Cloudy
72°22°
0%

Day: Cloudy with scattered showers and chance of thunderstorms. East winds up to 5 mph. Chance of precipitation 50 percent.

Night: Cloudy. Chance of thunderstorms in the evening. Numerous rain showers through around midnight, then scattered rain showers after midnight. Lows in the mid 50s. Northeast winds 5 to 10 mph. Chance of precipitation 70 percent.

Waukesha, WI

Late Afternoon
Thunderstorms
62°17°
90%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Cloudy
62°/ 50° 17°/ 10°
20%
Tuesday
Rain Showers
60°/ 48° 16°/
20%
Wednesday
Partly Cloudy
62°/ 52° 17°/ 11°
0%
Thursday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Saturday
Sunny
70°21°
0%

Day: Numerous showers and chance of thunderstorms. Some thunderstorms may produce heavy rainfall. East winds around 5 mph. Chance of precipitation 70 percent.

Night: Showers and chance of thunderstorms until early morning, then numerous showers early in the morning. Some thunderstorms may produce heavy rainfall until early morning. Lows in the lower 60s. Northeast winds 5 to 15 mph. Chance of precipitation 90 percent.

West Bend, WI

Late Afternoon
Thunderstorms
58°14°
70%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
30%
Monday
Cloudy
62°/ 48° 17°/
0%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Partly Cloudy
62°/ 50° 17°/ 10°
0%
Thursday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Saturday
Sunny
72°22°
0%

Day: Cloudy with scattered showers and chance of thunderstorms. East winds 5 to 10 mph. Chance of precipitation 50 percent.

Night: Chance of thunderstorms through around midnight. Numerous rain showers until early morning, then scattered rain showers early in the morning. Lows in the upper 50s. Northeast winds 5 to 10 mph. Gusts up to 25 mph after midnight. Chance of precipitation 70 percent.

Montello, WI

Late Afternoon
Thunderstorms
55°13°
50%
Sunday
Cloudy
65°/ 48° 18°/
0%
Monday
Mostly Cloudy
62°/ 45° 17°/
20%
Tuesday
Partly Cloudy
60°/ 42° 16°/
0%
Wednesday
Partly Cloudy
65°/ 45° 18°/
0%
Thursday
Rain Showers
65°/ 48° 18°/
20%
Friday
Partly Cloudy
70°/ 48° 21°/
0%
Saturday
Partly Cloudy
72°22°
0%

Day: Cloudy with scattered showers and chance of thunderstorms. East winds 5 to 10 mph. Chance of precipitation 50 percent.

Night: Cloudy. Scattered rain showers and chance of thunderstorms in the evening, then scattered rain showers in the late evening and overnight. Lows in the mid 50s. Northeast winds 5 to 10 mph. Chance of precipitation 50 percent.

Janesville, WI

Late Afternoon
Thunderstorms
62°17°
90%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
60%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Rain Showers
60°/ 48° 16°/
20%
Wednesday
Partly Cloudy
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Saturday
Partly Cloudy
70°21°
0%

Day: Cloudy with scattered showers and chance of thunderstorms. Some thunderstorms may produce heavy rainfall. East winds around 5 mph. Chance of precipitation 50 percent.

Night: Scattered showers in the evening. Chance of thunderstorms until early morning. Showers in the late evening and overnight. Some thunderstorms may produce heavy rainfall until early morning. Lows in the lower 60s. Northeast winds 5 to 15 mph. Chance of precipitation 90 percent.

Monroe, WI

Late Afternoon
Thunderstorms
60°16°
90%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Rain Showers
62°/ 50° 17°/ 10°
50%
Tuesday
Rain Showers
62°/ 48° 17°/
30%
Wednesday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Thursday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Partly Cloudy
70°/ 52° 21°/ 11°
0%
Saturday
Partly Cloudy
72°22°
0%

Day: Cloudy with scattered showers and chance of thunderstorms. Some thunderstorms may produce heavy rainfall. East winds up to 5 mph. Chance of precipitation 50 percent.

Night: Scattered rain showers in the evening. Chance of thunderstorms until early morning. Rain showers in the late evening and overnight. Some thunderstorms may produce heavy rainfall until early morning. Lows around 60. Northeast winds 5 to 15 mph. Chance of precipitation 90 percent.

Whitewater, WI

Late Afternoon
Thunderstorms
62°17°
100%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
70%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Rain Showers
60°/ 48° 16°/
30%
Wednesday
Partly Cloudy
62°/ 50° 17°/ 10°
0%
Thursday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Saturday
Partly Cloudy
70°21°
0%

Day: Showers and chance of thunderstorms. Some thunderstorms may produce heavy rainfall. East winds around 5 mph. Chance of precipitation near 100 percent.

Night: Scattered showers in the evening. Chance of thunderstorms until early morning. Showers in the late evening and overnight. Some thunderstorms may produce heavy rainfall until early morning. Lows in the lower 60s. Northeast winds up to 10 mph. Chance of precipitation near 100 percent.

Oshkosh, WI

Tonight
Rain Showers
50°10°
70%
Sunday
Partly Cloudy
60°/ 48° 16°/
0%
Mon-Mon Night
Mostly Cloudy
62°17°
0%
Tuesday
Partly Cloudy
60°/ 40° 16°/
0%
Wednesday
Cloudy
60°/ 48° 16°/
0%
Thu-Thu Night
Cloudy
68°20°
0%
Friday
Partly Cloudy
70°/ 50° 21°/ 10°
0%

Night: Cloudy. Showers likely in the evening, then a chance of showers after midnight. Lows in the middle 50s. Northeast wind 10 to 15 mph. Chance of rain 70 percent.

Friendship, WI

Tonight
Thunderstorms
50°10°
50%
Sunday
Mostly Cloudy
68°/ 45° 20°/
0%
Monday
Mostly Cloudy
62°/ 42° 17°/
0%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wed Night
Cloudy
45°
0%
Thursday
Mostly Cloudy
68°20°
0%
Friday
Mostly Cloudy
68°/ 48° 20°/
0%

Night: Cloudy. A chance of showers and thunderstorms this evening, then a slight chance of showers after midnight. Lows around 50. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Dodgeville, WI

Late Afternoon
Thunderstorms
58°14°
70%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
40%
Monday
Rain Showers
62°/ 48° 17°/
40%
Tuesday
Rain Showers
62°/ 45° 17°/
20%
Wednesday
Partly Cloudy
65°/ 48° 18°/
0%
Thursday
Rain Showers
68°/ 52° 20°/ 11°
20%
Friday
Partly Cloudy
72°/ 52° 22°/ 11°
0%
Saturday
Partly Cloudy
72°22°
0%

Day: Cloudy with scattered showers and chance of thunderstorms. Some thunderstorms may produce heavy rainfall. East winds up to 5 mph. Chance of precipitation 50 percent.

Night: Cloudy. Numerous rain showers and chance of thunderstorms. Some thunderstorms may produce heavy rainfall until early morning. Lows in the upper 50s. Northeast winds 5 to 15 mph. Chance of precipitation 70 percent.

Redgranite, WI

Tonight
Rain Showers
52°11°
70%
Sunday
Partly Cloudy
68°/ 40° 20°/
0%
Mon-Mon Night
Mostly Cloudy
62°17°
0%
Tuesday
Partly Cloudy
62°/ 40° 17°/
0%
Wednesday
Cloudy
60°/ 40° 16°/
0%
Thursday
Partly Cloudy
60°/ 48° 16°/
0%
Fri Night
Clear
48°
0%
Saturday
Cloudy
72°22°
0%

Night: Cloudy. Showers likely in the evening, then a slight chance of showers after midnight. Lows in the lower 50s. Northeast wind 5 to 10 mph. Chance of rain 70 percent.

Mauston, WI

Tonight
Thunderstorms
52°11°
50%
Sunday
Mostly Cloudy
68°/ 45° 20°/
0%
Monday
Mostly Cloudy
62°/ 42° 17°/
0%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wed Night
Cloudy
45°
0%
Thursday
Mostly Cloudy
70°21°
0%
Friday
Mostly Cloudy
70°/ 48° 21°/
0%

Night: Cloudy. A chance of showers and thunderstorms this evening, then a slight chance of showers after midnight. Lows in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Mequon, WI

Late Afternoon
Thunderstorms
60°16°
70%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
20%
Monday
Cloudy
62°/ 50° 17°/ 10°
0%
Tuesday
Mostly Cloudy
62°/ 50° 17°/ 10°
0%
Wednesday
Partly Cloudy
62°/ 52° 17°/ 11°
0%
Thursday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Partly Cloudy
68°/ 52° 20°/ 11°
0%
Saturday
Sunny
70°21°
0%

Day: Cloudy with scattered showers and chance of thunderstorms. East winds 5 to 10 mph. Chance of precipitation 50 percent.

Night: Chance of thunderstorms through around midnight. Numerous rain showers until early morning, then scattered rain showers early in the morning. Lows around 60. Northeast winds 5 to 15 mph. Chance of precipitation 70 percent.

Milwaukee, WI

Late Afternoon
Thunderstorms
62°17°
90%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Cloudy
62°/ 52° 17°/ 11°
20%
Tuesday
Rain Showers
62°/ 52° 17°/ 11°
20%
Wednesday
Rain Showers
62°/ 52° 17°/ 11°
20%
Thursday
Partly Cloudy
65°/ 55° 18°/ 13°
0%
Friday
Partly Cloudy
68°/ 55° 20°/ 13°
0%
Saturday
Sunny
68°20°
0%

Day: Numerous showers and chance of thunderstorms. Some thunderstorms may produce heavy rainfall. East winds 5 to 10 mph. Chance of precipitation 70 percent.

Night: Showers and chance of thunderstorms until early morning, then numerous showers early in the morning. Some thunderstorms may produce heavy rainfall until early morning. Lows in the lower 60s. Northeast winds 5 to 15 mph. Chance of precipitation 90 percent.

Names listed above may include county names.

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