Groton, SD Hourly Weather Updates

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Groton, SD Weather Maps

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Groton Weather Map
UTC Time: 9/13/2026, 16:01
Your Time:

Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Groton, SD Regional Weather

Expires:202609131600;;385714
ASUS43 KFSD 131510
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1000 AM CDT SUN SEP 13 2026

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



SDZ004>011-016>023-039-040-131600-
NORTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ABERDEEN       CLOUDY    57  47  69 E5        30.20S TC  14           
WATERTOWN      CLOUDY    58  43  57 NE7       30.20R TC  14           
BROOKINGS      MOSUNNY   56  48  74 S6        30.22R TC  13           
SISSETON         N/A     58  43  57 NW6       30.19S TC  14           
$$
 

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

Groton, SD

Today
Sunny
60°/ 45° 16°/
0%
Monday
Thunderstorms
60°/ 45° 16°/
100%
Tuesday
Sunny
55°/ 35° 13°/
0%
Wednesday
Rain Showers
60°/ 45° 16°/
N/A
Thursday
Sunny
65°/ 45° 18°/
0%
Fri-Fri Night
Cloudy
65°18°
0%

Day: Sunny. Highs 60 to 65. West winds up to 10 mph.

Night: Mostly clear. Lows in the mid 40s. Southeast winds around 5 mph increasing to around 15 mph with gusts to around 30 mph after midnight.

Webster, SD

Today
Partly Cloudy
68°/ 52° 20°/ 11°
40%
Monday
Thunderstorms
68°/ 48° 20°/
100%
Tuesday
Sunny
65°/ 48° 18°/
0%
Wednesday
Rain Showers
65°/ 50° 18°/ 10°
40%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
30%
Friday
Thunderstorms
72°/ 52° 22°/ 11°
20%

Day: Partly sunny. Highs in the upper 60s. East winds around 5 mph.

Night: Mostly clear in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the lower 50s. Southeast winds 5 to 10 mph with gusts up to 20 mph, increasing to 15 to 20 mph with gusts up to 30 mph after midnight. Chance of rain 40 percent.

Britton, SD

Today
Sunny
68°/ 52° 20°/ 11°
0%
Monday
Thunderstorms
65°/ 48° 18°/
100%
Tuesday
Sunny
65°/ 45° 18°/
0%
Wednesday
Rain Showers
65°/ 48° 18°/
40%
Thursday
Partly Cloudy
70°/ 52° 21°/ 11°
20%
Friday
Rain Showers
72°/ 50° 22°/ 10°
20%

Day: Mostly sunny. Highs in the upper 60s. Northeast winds around 5 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s. East winds 5 to 10 mph with gusts up to 20 mph, increasing to southeast 15 to 20 mph with gusts up to 35 mph after midnight.

Redfield, SD

Today
Partly Cloudy
72°/ 52° 22°/ 11°
70%
Monday
Thunderstorms
72°/ 48° 22°/
100%
Tuesday
Sunny
65°/ 48° 18°/
0%
Wednesday
Rain Showers
65°/ 50° 18°/ 10°
40%
Thursday
Mostly Cloudy
72°/ 52° 22°/ 11°
40%
Friday
Thunderstorms
72°22°
20%

Day: Partly sunny. Highs in the lower 70s. East winds 5 to 10 mph.

Night: Partly cloudy in the evening, then mostly cloudy with showers likely after midnight. Lows in the lower 50s. Southeast winds around 10 mph with gusts up to 20 mph, increasing to 15 to 20 mph with gusts up to 30 mph after midnight. Chance of rain 70 percent.

Clark, SD

Today
Partly Cloudy
68°/ 52° 20°/ 11°
50%
Monday
Thunderstorms
68°/ 48° 20°/
100%
Tuesday
Sunny
65°/ 48° 18°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Thursday
Mostly Cloudy
70°/ 52° 21°/ 11°
40%

Day: Partly sunny. Highs in the upper 60s. East winds 5 to 10 mph.

Night: Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the lower 50s. Southeast winds 15 to 20 mph. Gusts up to 35 mph after midnight. Chance of rain 50 percent.

Ipswich, SD

Today
Partly Cloudy
68°/ 52° 20°/ 11°
100%
Monday
Thunderstorms
72°/ 48° 22°/
100%
Tuesday
Sunny
65°/ 45° 18°/
0%
Wednesday
Rain Showers
65°/ 48° 18°/
40%
Thu Night-Fri
Rain Showers
50°10°
30%
Fri Night
Rain Showers
48°
20%

Day: Partly sunny. Highs in the upper 60s. East winds 10 to 15 mph.

Night: Partly cloudy in the evening, then showers after midnight. Breezy with lows in the lower 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph, increasing to 20 to 25 mph with gusts up to 35 mph after midnight. Chance of rain near 100 percent.

Eureka, SD

Today
Sunny
68°/ 50° 20°/ 10°
80%
Monday
Thunderstorms
70°/ 45° 21°/
100%
Tuesday
Sunny
65°/ 45° 18°/
0%
Wednesday
Rain Showers
65°/ 48° 18°/
40%
Thu Night
Rain Showers
48°
20%
Friday
Rain Showers
72°/ 48° 22°/
20%

Day: Mostly sunny. Highs in the upper 60s. East winds 10 to 15 mph.

Night: Partly cloudy in the evening, then mostly cloudy with showers after midnight. Breezy with lows around 50. Southeast winds 10 to 15 mph with gusts up to 25 mph, increasing to 20 to 25 mph with gusts up to 35 mph after midnight. Chance of rain 80 percent.

Faulkton, SD

Today
Partly Cloudy
68°/ 52° 20°/ 11°
100%
Monday
Thunderstorms
72°/ 48° 22°/
100%
Tuesday
Sunny
65°/ 45° 18°/
0%
Wednesday
Rain Showers
65°/ 48° 18°/
40%
Thursday
Partly Cloudy
70°/ 52° 21°/ 11°
40%
Friday
Thunderstorms
72°22°
20%

Day: Partly sunny. Highs in the upper 60s. East winds 10 to 15 mph with gusts up to 25 mph.

Night: Partly cloudy in the evening, then showers with a slight chance of thunderstorms after midnight. Lows in the lower 50s. Southeast winds 15 to 20 mph. Gusts up to 35 mph after midnight. Chance of rain near 100 percent.

Ellendale, ND

Today
Sunny
68°/ 48° 20°/
60%
Monday
Thunderstorms
70°/ 48° 21°/
N/A
Tuesday
Sunny
65°/ 42° 18°/
0%
Wednesday
Rain Showers
65°/ 45° 18°/
30%
Thursday
Partly Cloudy
70°/ 48° 21°/
20%
Friday
Rain Showers
75°/ 48° 24°/
20%

Day: Sunny. Highs in the upper 60s. Northeast winds 5 to 10 mph, becoming southeast in the afternoon.

Night: Partly cloudy in the evening, then cloudy with showers likely after midnight. Lows in the upper 40s. Southeast winds 5 to 15 mph. Gusts up to 30 mph after midnight. Chance of rain 60 percent.

Watertown, SD

Today
Partly Cloudy
70°/ 52° 21°/ 11°
0%
Monday
Thunderstorms
70°/ 48° 21°/
100%
Tuesday
Sunny
65°/ 48° 18°/
0%
Wednesday
Rain Showers
65°/ 50° 18°/ 10°
30%
Thursday
Mostly Cloudy
72°/ 52° 22°/ 11°
40%

Day: Partly sunny. Highs around 70. East winds around 5 mph.

Night: Mostly clear in the evening, then becoming mostly cloudy. Lows in the lower 50s. Southeast winds 5 to 10 mph, increasing to 15 to 20 mph with gusts up to 30 mph after midnight.

Gwinner, ND

Today
Sunny
65°/ 45° 18°/
50%
Monday
Thunderstorms
65°/ 45° 18°/
100%
Tuesday
Sunny
65°/ 45° 18°/
0%
Wed-Wed Night
Rain Showers
65°18°
N/A
Thursday
Partly Cloudy
70°/ 45° 21°/
0%
Friday
Partly Cloudy
75°/ 45° 24°/
0%

Day: Sunny. Highs in the mid 60s. Northeast winds up to 10 mph.

Night: Mostly cloudy. A chance of showers after midnight. Lows 45 to 50. Southeast winds around 5 mph increasing to around 15 mph with gusts to around 30 mph after midnight. Chance of rain 50 percent.

Sisseton, SD

Today
Sunny
68°/ 48° 20°/
0%
Monday
Thunderstorms
68°/ 50° 20°/ 10°
100%
Tuesday
Sunny
65°/ 45° 18°/
0%
Wednesday
Rain Showers
65°/ 48° 18°/
40%
Thursday
Mostly Cloudy
70°/ 50° 21°/ 10°
20%
Friday
Thunderstorms
72°/ 50° 22°/ 10°
20%

Day: Mostly sunny. Highs in the upper 60s. North winds around 5 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. Southeast winds 10 to 15 mph. Gusts up to 30 mph after midnight.

Miller, SD

Today
Rain Showers
68°/ 52° 20°/ 11°
90%
Monday
Thunderstorms
75°/ 48° 24°/
100%
Tuesday
Sunny
65°/ 48° 18°/
0%
Wednesday
Rain Showers
65°/ 50° 18°/ 10°
50%
Thursday
Mostly Cloudy
70°/ 52° 21°/ 11°
50%
Fri Night
Rain Showers
50°10°
20%

Day: Mostly cloudy late this morning, then becoming partly sunny. A slight chance of showers late this morning. Highs in the upper 60s. East winds 10 to 15 mph. Chance of rain 20 percent.

Night: Partly cloudy in the evening, then mostly cloudy with showers with a slight chance of thunderstorms after midnight. Breezy with lows in the lower 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph, increasing to 15 to 25 mph with gusts up to 35 mph after midnight. Chance of rain 90 percent.

Huron, SD

Today
Rain Showers
68°/ 55° 20°/ 13°
50%
Monday
Thunderstorms
72°/ 48° 22°/
100%
Tuesday
Sunny
65°/ 48° 18°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
30%
Thursday
Mostly Cloudy
72°/ 52° 22°/ 11°
40%
Friday
Rain Showers
72°/ 52° 22°/ 11°
40%

Day: Mostly cloudy late this morning, then becoming mostly sunny. A slight chance of showers late this morning. Highs in the upper 60s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

Night: Partly cloudy in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 50s. Southeast winds around 10 mph with gusts up to 20 mph, increasing to 15 to 20 mph with gusts up to 30 mph after midnight. Chance of rain 50 percent.

Milbank, SD

Today
Partly Cloudy
70°/ 50° 21°/ 10°
0%
Monday
Thunderstorms
68°/ 50° 20°/ 10°
100%
Tuesday
Sunny
65°/ 45° 18°/
0%
Wednesday
Rain Showers
65°/ 50° 18°/ 10°
40%
Thursday
Mostly Cloudy
70°/ 52° 21°/ 11°
30%

Day: Partly sunny. Highs around 70. North winds around 5 mph, becoming northeast this afternoon.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows around 50. Southeast winds 10 to 15 mph.

Hayti, SD

Today
Rain Showers
72°/ 52° 22°/ 11°
20%
Monday
Thunderstorms
72°/ 48° 22°/
100%
Tuesday
Sunny
65°/ 48° 18°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Thursday
Mostly Cloudy
72°/ 52° 22°/ 11°
40%

Day: Partly sunny. A chance of showers late this morning. Highs in the lower 70s. East winds around 5 mph. Chance of rain 20 percent.

Night: Mostly clear in the evening, then becoming mostly cloudy. Lows in the lower 50s. Southeast winds 5 to 10 mph, increasing to 15 to 20 mph with gusts up to 30 mph after midnight.

Wheaton, MN

Today
Sunny
68°/ 48° 20°/
0%
Monday
Thunderstorms
65°/ 48° 18°/
100%
Tuesday
Sunny
65°/ 45° 18°/
0%
Wednesday
Rain Showers
65°/ 48° 18°/
30%
Thursday
Mostly Cloudy
70°/ 50° 21°/ 10°
20%
Friday
Thunderstorms
72°/ 50° 22°/ 10°
20%

Day: Mostly sunny. Highs in the upper 60s. Northwest winds around 5 mph.

Night: Clear in the evening, then becoming partly cloudy. Lows in the upper 40s. East winds around 5 mph, increasing to southeast 10 to 15 mph with gusts up to 25 mph after midnight.

Wahpeton, ND

Today
Sunny
65°/ 45° 18°/
40%
Monday
Thunderstorms
65°/ 45° 18°/
100%
Tuesday
Sunny
65°/ 40° 18°/
0%
Wed-Wed Night
Rain Showers
65°18°
N/A
Thursday
Sunny
70°/ 45° 21°/
0%
Friday
Sunny
75°/ 45° 24°/
0%

Day: Sunny. Highs 65 to 70. North winds up to 10 mph.

Night: Mostly clear in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 40s. East winds around 5 mph increasing to southeast around 15 mph with gusts to around 30 mph after midnight. Chance of rain 40 percent.

Edgeley, ND

Today
Sunny
65°/ 48° 18°/
30%
Monday
Rain Showers
68°/ 45° 20°/
N/A
Tuesday
Sunny
65°/ 42° 18°/
0%
Wednesday
Rain Showers
65°/ 45° 18°/
30%
Thursday
Partly Cloudy
68°/ 48° 20°/
20%
Friday
Partly Cloudy
72°/ 48° 22°/
20%

Day: Sunny. Highs in the mid 60s. Northeast winds around 10 mph, becoming east in the afternoon.

Night: Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 40s. Southeast winds 5 to 15 mph. Gusts up to 30 mph after midnight. Chance of rain 30 percent.

Lisbon, ND

Today
Sunny
65°/ 45° 18°/
50%
Monday
Thunderstorms
65°/ 45° 18°/
100%
Tuesday
Sunny
65°/ 40° 18°/
0%
Wednesday
Rain Showers
65°/ 45° 18°/
N/A
Thursday
Sunny
70°/ 45° 21°/
0%
Friday
Partly Cloudy
75°/ 45° 24°/
0%

Day: Sunny. Highs in the mid 60s. North winds up to 10 mph.

Night: Mostly clear in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 40s. Southeast winds around 5 mph increasing to around 15 mph with gusts to around 30 mph after midnight. Chance of rain 50 percent.

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