Lyon County, MN Weather Forecast & Current Conditions

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Lyon County, MN Weather Maps

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Lyon County Weather Map
UTC Time: 9/21/2026, 06:15
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Lyon County, MN Regional Weather

Expires:202609210700;;801484
ASUS43 KMPX 210610
RWRMN 
WEATHER ROUNDUP FOR MINNESOTA
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
100 AM CDT MON SEP 21 2026


NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY. N/A MEANS
CURRENT SKY AND/OR WEATHER CONDITIONS ARE NOT AVAILABLE.


MNZ071>073-080-081-089-090-097-098-210700-
   Southwest Minnesota   
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MONTEVIDEO     CLOUDY    54  46  76 E9        30.22R                  
GRANITE FALLS  CLOUDY    56  47  71 NE10      30.23R                  
CANBY          CLOUDY    56  50  80 CALM      30.22S                  
MARSHALL       CLOUDY    56  50  80 E8        30.20R                  
REDWOOD FALLS  MOCLDY    55  48  77 NE7       30.20R                  
OLIVIA         CLOUDY    54  48  82 NE7       30.21R                  
PIPESTONE      LGT RAIN  53  53 100 NE9       30.19S                  
WINDOM         CLOUDY    57  54  88 N6        30.17R                  
WORTHINGTON    HVY RAIN  55  54  94 NE9       30.18R FOG              
JACKSON        CLOUDY    57  54  88 CALM      30.16R                  
TRACY          CLOUDY    55  52  88 NE6       30.19R                  
SLAYTON        HVY RAIN  53  51  95 CALM      30.20R                  
$$

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

Lyon County, MN

Overnight
Rain Showers
55°13°
80%
Monday
Rain Showers
52°/ 42° 11°/
50%
Tuesday
Sunny
62°/ 45° 17°/
0%
Wednesday
Sunny
68°/ 50° 20°/ 10°
60%
Thursday
Rain Showers
68°/ 52° 20°/ 11°
50%
Friday
Rain Showers
68°/ 55° 20°/ 13°
30%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
30%
Sunday
Partly Cloudy
72°22°
0%

Night: Showers. Near steady temperature in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 80 percent.

Redwood Falls, MN

Tonight
Rain
50°10°
70%
Monday
Rain
55°/ 45° 13°/
50%
Tuesday
Sunny
62°/ 42° 17°/
0%
Wednesday
Sunny
65°/ 48° 18°/
50%
Thursday
Rain Showers
65°/ 52° 18°/ 11°
50%
Friday
Rain Showers
68°/ 55° 20°/ 13°
30%
Saturday
Rain Showers
70°/ 55° 21°/ 13°
30%
Sunday
Partly Cloudy
72°22°
0%

Night: Chance of rain in the late evening and early morning, then rain likely early in the morning. Lows around 50. Northeast winds 5 to 10 mph. Chance of rain 70 percent.

Tyler, MN

Overnight
Rain Showers
52°11°
90%
Monday
Rain Showers
52°/ 42° 11°/
70%
Tuesday
Sunny
62°/ 45° 17°/
0%
Wednesday
Sunny
65°/ 48° 18°/
60%
Thursday
Rain Showers
65°/ 52° 18°/ 11°
30%
Friday
Rain Showers
68°/ 55° 20°/ 13°
30%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
30%
Sunday
Partly Cloudy
70°21°
0%

Night: Showers. Near steady temperature in the lower 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent.

Pipestone, MN

Overnight
Rain Showers
55°13°
90%
Monday
Rain Showers
52°/ 42° 11°/
70%
Tuesday
Sunny
60°/ 42° 16°/
0%
Wednesday
Sunny
65°/ 48° 18°/
60%
Thursday
Rain Showers
65°/ 52° 18°/ 11°
40%
Friday
Rain Showers
65°/ 55° 18°/ 13°
40%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
30%
Sunday
Mostly Cloudy
70°21°
0%

Night: Showers. Near steady temperature in the mid 50s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent.

Granite Falls, MN

Tonight
Rain
48°
70%
Monday
Rain
55°/ 45° 13°/
50%
Tuesday
Sunny
62°/ 42° 17°/
0%
Wednesday
Sunny
68°/ 48° 20°/
70%
Thursday
Rain Showers
68°/ 52° 20°/ 11°
50%
Friday
Rain Showers
70°/ 55° 21°/ 13°
30%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
30%
Sunday
Partly Cloudy
72°22°
0%

Night: Chance of rain in the late evening and early morning, then rain likely early in the morning. Lows in the upper 40s. Northeast winds 5 to 10 mph. Chance of rain 70 percent.

Slayton, MN

Overnight
Rain Showers
52°11°
90%
Monday
Rain Showers
52°/ 42° 11°/
70%
Tuesday
Sunny
60°/ 42° 16°/
0%
Wednesday
Sunny
65°/ 48° 18°/
50%
Thursday
Rain Showers
65°/ 52° 18°/ 11°
50%
Friday
Rain Showers
68°/ 55° 20°/ 13°
40%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
30%
Sunday
Mostly Cloudy
70°21°
0%

Night: Showers. Near steady temperature in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain 90 percent.

Madison, MN

Tonight
Rain
48°
70%
Monday
Rain
58°/ 45° 14°/
50%
Tuesday
Partly Cloudy
62°/ 42° 17°/
0%
Wednesday
Sunny
68°/ 48° 20°/
70%
Thursday
Rain Showers
68°/ 52° 20°/ 11°
30%
Friday
Rain Showers
72°/ 55° 22°/ 13°
30%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
30%
Sunday
Partly Cloudy
72°22°
0%

Night: Cloudy. Slight chance of rain late in the evening, then chance of rain after midnight. Rain likely early in the morning. Lows in the upper 40s. Northeast winds up to 5 mph. Chance of rain 70 percent.

Windom, MN

Overnight
Rain Showers
50°10°
80%
Monday
Rain Showers
55°/ 42° 13°/
70%
Tuesday
Sunny
62°/ 42° 17°/
0%
Wednesday
Sunny
65°/ 48° 18°/
50%
Thursday
Rain Showers
65°/ 52° 18°/ 11°
50%
Friday
Rain Showers
68°/ 55° 20°/ 13°
30%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
30%
Sunday
Mostly Cloudy
72°22°
0%

Night: Showers. Lows around 50. Northeast winds 5 to 10 mph. Chance of rain 80 percent.

Brookings, SD

Overnight
Rain Showers
52°11°
90%
Monday
Rain Showers
55°/ 42° 13°/
70%
Tuesday
Sunny
62°/ 42° 17°/
0%
Wednesday
Partly Cloudy
65°/ 48° 18°/
60%
Thursday
Rain Showers
65°/ 52° 18°/ 11°
30%
Friday
Rain Showers
68°/ 55° 20°/ 13°
30%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
30%
Sunday
Partly Cloudy
70°21°
0%

Night: Showers. Near steady temperature in the lower 50s. East winds 10 to 15 mph. Chance of rain 90 percent.

Olivia, MN

Tonight
Rain
48°
50%
Monday
Rain
55°/ 45° 13°/
50%
Tuesday
Sunny
62°/ 42° 17°/
0%
Wednesday
Sunny
65°/ 48° 18°/
50%
Thursday
Rain Showers
65°/ 52° 18°/ 11°
50%
Friday
Rain Showers
68°/ 55° 20°/ 13°
30%
Saturday
Rain Showers
70°/ 55° 21°/ 13°
40%
Sunday
Partly Cloudy
72°22°
0%

Night: Cloudy. Slight chance of rain after midnight. Chance of rain early in the morning. Lows in the upper 40s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Flandreau, SD

Overnight
Rain Showers
55°13°
100%
Monday
Rain Showers
52°/ 42° 11°/
80%
Tuesday
Sunny
62°/ 42° 17°/
0%
Wednesday
Partly Cloudy
65°/ 48° 18°/
60%
Thursday
Rain Showers
65°/ 52° 18°/ 11°
40%
Friday
Rain Showers
68°/ 55° 20°/ 13°
40%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
30%
Sunday
Mostly Cloudy
70°21°
0%

Night: Showers. Near steady temperature in the mid 50s. East winds around 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Clear Lake, SD

Tonight
Rain Showers
48°
50%
Monday
Rain Showers
55°/ 42° 13°/
50%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
65°/ 50° 18°/ 10°
70%
Thursday
Rain Showers
65°/ 55° 18°/ 13°
30%
Friday
Rain Showers
55°13°
30%
Saturday
Rain Showers
55°/ 55° 13°/ 13°
30%

Night: Cloudy. A slight chance of drizzle late this evening, then a chance of showers and drizzle. Lows in the upper 40s. East winds 10 to 15 mph. Chance of rain 50 percent.

Montevideo, MN

Tonight
Rain
48°
50%
Monday
Rain
55°/ 45° 13°/
40%
Tuesday
Sunny
62°/ 42° 17°/
0%
Wednesday
Sunny
68°/ 48° 20°/
50%
Thursday
Rain Showers
68°/ 52° 20°/ 11°
50%
Friday
Rain Showers
70°/ 55° 21°/ 13°
30%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
30%
Sunday
Partly Cloudy
72°22°
0%

Night: Cloudy. Slight chance of rain after midnight. Chance of rain early in the morning. Lows in the upper 40s. East winds 5 to 10 mph. Chance of rain 50 percent.

Worthington, MN

Overnight
Rain Showers
55°13°
90%
Monday
Rain Showers
52°/ 45° 11°/
90%
Tuesday
Sunny
60°/ 42° 16°/
0%
Wednesday
Sunny
62°/ 48° 17°/
50%
Thursday
Rain Showers
65°/ 52° 18°/ 11°
50%
Friday
Rain Showers
65°/ 55° 18°/ 13°
40%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
40%
Sunday
Mostly Cloudy
70°21°
0%

Night: Showers. Near steady temperature in the mid 50s. Northeast winds around 10 mph. Chance of rain 90 percent.

New Ulm, MN

Tonight
Rain
50°10°
70%
Monday
Rain
55°/ 45° 13°/
70%
Tuesday
Sunny
62°/ 42° 17°/
0%
Wednesday
Sunny
65°/ 48° 18°/
40%
Thursday
Rain Showers
65°/ 52° 18°/ 11°
40%
Friday
Rain Showers
68°/ 52° 20°/ 11°
30%
Saturday
Rain Showers
70°/ 55° 21°/ 13°
40%
Sunday
Partly Cloudy
72°22°
0%

Night: Cloudy. Slight chance of rain late in the evening, then chance of rain after midnight. Rain likely early in the morning. Lows around 50. Northeast winds up to 5 mph. Chance of rain 70 percent.

Luverne, MN

Overnight
Rain Showers
55°13°
100%
Monday
Rain Showers
52°/ 45° 11°/
90%
Tuesday
Sunny
62°/ 42° 17°/
0%
Wednesday
Sunny
65°/ 48° 18°/
60%
Thursday
Rain Showers
65°/ 52° 18°/ 11°
50%
Friday
Rain Showers
68°/ 55° 20°/ 13°
40%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
30%
Sunday
Mostly Cloudy
72°22°
0%

Night: Showers. Near steady temperature in the mid 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Willmar, MN

Tonight
Rain
48°
20%
Monday
Rain
58°/ 45° 14°/
20%
Tuesday
Sunny
62°/ 42° 17°/
0%
Wednesday
Sunny
65°/ 48° 18°/
50%
Thursday
Rain Showers
65°/ 52° 18°/ 11°
50%
Friday
Rain Showers
68°/ 52° 20°/ 11°
30%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
40%
Sunday
Partly Cloudy
72°22°
0%

Night: Cloudy. A 20 percent chance of rain early in the morning. Lows in the upper 40s. Northeast winds 5 to 10 mph.

Jackson, MN

Overnight
Rain Showers
52°11°
90%
Monday
Rain Showers
52°/ 45° 11°/
90%
Tuesday
Sunny
62°/ 42° 17°/
0%
Wednesday
Sunny
65°/ 48° 18°/
50%
Thursday
Rain Showers
65°/ 52° 18°/ 11°
50%
Friday
Rain Showers
65°/ 55° 18°/ 13°
40%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
30%
Sunday
Mostly Cloudy
70°21°
0%

Night: Showers. Lows in the lower 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent.

Hayti, SD

Tonight
Rain Showers
48°
70%
Monday
Rain Showers
58°/ 42° 14°/
70%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
65°/ 48° 18°/
60%
Thursday
Rain Showers
68°/ 55° 20°/ 13°
30%
Friday
Rain Showers
55°13°
30%
Saturday
Rain Showers
55°/ 55° 13°/ 13°
30%
Sunday
Rain Showers
70°21°
20%

Night: Cloudy. A chance of drizzle and showers late this evening, then showers likely. Lows in the upper 40s. East winds 10 to 15 mph. Chance of rain 70 percent.

Sioux Falls, SD

Overnight
Rain Showers
55°13°
100%
Monday
Rain Showers
55°/ 45° 13°/
90%
Tuesday
Sunny
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
65°/ 50° 18°/ 10°
60%
Thursday
Rain Showers
65°/ 52° 18°/ 11°
50%
Friday
Rain Showers
68°/ 55° 20°/ 13°
40%
Saturday
Rain Showers
70°/ 55° 21°/ 13°
30%
Sunday
Mostly Cloudy
72°22°
0%

Night: Showers. Near steady temperature in the mid 50s. East winds 10 to 15 mph. Chance of rain near 100 percent.

Names listed above may include county names.

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