Hartford, SD Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Hartford, SD.

Current Conditions — Hartford, SD

MADISON (KMDS)

Clear

69.8 F
Humidity:35%
Wind Speed: 13.9 mph
Barometer:29.45 in
Dewpoint:41.0 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 23 2026, 11:35 AM CDT
Severe Weather Alerts
Severe Weather
 		Daily Weather Forecast
Daily Forecast
 		Observation Alert Monitoring
Observations
 		Storm Report Monitoring
Storm Reports

5-Day Forecast — Hartford, SD

Thursday

High 80 °F
Mostly Cloudy
Thursday
Night
Low 39 °F
Mostly Cloudy
Friday

High 60 °F
Partly Sunny
Friday
Night
Low 39 °F
Slight Chance of Rain
Saturday

High 59 °F
Chance of Rain Showers
Saturday
Night
Low 41 °F
Mostly Cloudy
Sunday

High 62 °F
Rain Showers Likely
Sunday
Night
Low 44 °F
Rain
Monday

High 55 °F
Rain Showers Likely

Detailed Forecast — Hartford, SD

Thursday
Mostly Cloudy. High near 80°F. Wind 18 to 31 mph, with gusts as high as 43 mph.
Thursday Night
Mostly Cloudy. Low around 39°F. Wind 14 to 31 mph, with gusts as high as 41 mph.
Friday
Partly Sunny. High near 60°F. Wind 12 to 15 mph, with gusts as high as 22 mph.
Friday Night
Slight Chance of Rain. Low around 39°F. Wind 8 to 12 mph, with gusts as high as 16 mph.
Saturday
Chance of Rain Showers. High near 59°F. Wind 10 to 13 mph, with gusts as high as 18 mph.
Saturday Night
Mostly Cloudy. Low around 41°F. Wind around 9 mph, with gusts as high as 14 mph.
Sunday
Rain Showers Likely. High near 62°F. Wind 20 to 22 mph, with gusts as high as 29 mph.
Sunday Night
Rain. Low around 44°F. Wind around 18 mph, with gusts as high as 25 mph.
Monday
Rain Showers Likely. High near 55°F. Wind 26 to 30 mph, with gusts as high as 40 mph.
Monday Night
Partly Cloudy. Low around 35°F. Wind around 15 mph, with gusts as high as 23 mph.
Tuesday
Partly Sunny. High near 57°F. Wind 10 to 15 mph, with gusts as high as 22 mph.
Tuesday Night
Partly Cloudy. Low around 37°F. Wind around 5 mph, with gusts as high as 7 mph.
Wednesday
Slight Chance of Showers. High near 62°F. Wind 12 to 13 mph, with gusts as high as 18 mph.
SD Radar
Current Radar • SD
Day 1 Outlook • April 23, 2026

Observation History — Hartford, SD

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
11:35 AM CDT 13.9 10.00 Clear -- 69.8 41.0 35% NA NA 29.45 997.3
11:15 AM CDT SW 15.0 G 21.9 10.00 Clear -- 68.0 46.4 46% NA NA 29.45 997.3
10:55 AM CDT SW 17.2 G 23.0 10.00 Clear -- 68.0 50.0 53% NA NA 29.45 997.3
10:35 AM CDT SW 18.3 10.00 Clear -- 66.2 51.8 60% NA NA 29.45 997.3
10:15 AM CDT 20.8 10.00 Mostly Clear and Windy -- 64.4 57.2 77% NA NA 29.46 997.6
09:55 AM CDT 25.3 G 33.3 10.00 Mostly Cloudy and Windy -- 64.4 62.6 94% NA NA 29.46 997.6
09:35 AM CDT 24.2 G 31.1 10.00 Mostly Cloudy and Windy -- 64.4 % NA NA 29.45 997.3
09:15 AM CDT 23.0 G 28.9 10.00 Mostly Cloudy and Windy -- 62.6 62.6 100% NA NA 29.45 997.3
08:55 AM CDT S 24.2 10.00 Cloudy and Windy -- 62.6 62.6 100% NA NA 29.45 997.3
08:35 AM CDT S 21.9 10.00 Mostly Cloudy and Windy -- 62.6 62.6 100% NA NA 29.45 997.3
08:15 AM CDT S 20.8 G 27.7 10.00 Cloudy and Windy -- 62.6 62.6 100% NA NA 29.46 997.6
07:55 AM CDT S 21.9 G 28.9 10.00 Cloudy and Windy -- 60.8 60.8 100% NA NA 29.46 997.6
07:35 AM CDT S 19.7 G 26.4 10.00 Cloudy and Windy -- 60.8 60.8 100% NA NA 29.47 998.0
07:15 AM CDT S 17.2 G 27.7 10.00 Cloudy -- 60.8 60.8 100% NA NA 29.47 998.0
06:55 AM CDT S 21.9 G 27.7 10.00 Cloudy and Windy -- 59.0 59.0 100% NA NA 29.47 998.0
06:35 AM CDT S 21.9 10.00 Mostly Cloudy and Windy -- 59.0 59.0 100% NA NA 29.47 998.0
06:15 AM CDT 23.0 10.00 Mostly Cloudy and Windy -- 59.0 59.0 100% NA NA 29.48 998.3
05:55 AM CDT S 18.3 G 25.3 10.00 Mostly Cloudy -- 60.8 60.8 100% NA NA 29.48 998.3
05:35 AM CDT S 18.3 G 26.4 10.00 Mostly Clear -- 60.8 60.8 100% NA NA 29.48 998.3
05:15 AM CDT S 21.9 G 28.9 10.00 Mostly Cloudy and Windy -- 60.8 60.8 100% NA NA 29.48 998.3
04:55 AM CDT 21.9 G 27.7 10.00 Partly Cloudy and Windy -- 60.8 60.8 100% NA NA 29.48 998.3
04:35 AM CDT 20.8 G 27.7 10.00 Mostly Clear and Windy -- 60.8 60.8 100% NA NA 29.48 998.3
04:15 AM CDT 20.8 G 28.9 10.00 Partly Cloudy and Windy -- 60.8 60.8 100% NA NA 29.49 998.7
03:55 AM CDT S 24.2 G 32.2 10.00 Cloudy and Windy -- 60.8 % NA NA 29.49 998.7

Regional Weather Observation

MADISON (KMDS)

Clear
69.8 F

SIOUX FALLS (KFSD)

Mostly Clear
71.6 F

PIPESTONE (KPQN)

Mostly Cloudy and Windy
71.8 F

LUVERNE (KLYV)

Mostly Cloudy and Windy
71.6 F

BROOKINGS (KBKX)

Clear
71.6 F

MITCHELL (KMHE)

Clear
71.6 F
🔔    Sign-up to receive daily weather forecasts by email or text - subscribe