Arlington, SD Weather Conditions | Weather Underground

A steady rain this morning. Showers continuing this afternoon. High 46F. Winds NE at 10 to 15 mph. Chance of rain 90%. Rainfall near a quarter of an inch.

Tonight

Sun 10/25

Low 37°f

75% Precip. / 0.35 in

Periods of rain. Low 37F. Winds NE at 10 to 20 mph. Chance of rain 80%. Rainfall around a quarter of an inch. Locally heavy rainfall possible.

Tomorrow

Mon 10/26

High 39°f37°f

98% Precip. / 0.74 in

Rain likely. Temps nearly steady in the mid to upper 30s. Winds ENE at 10 to 20 mph. Chance of rain 100%. Rainfall near a half an inch.

Hourly Forecast

Now

44°

7:56AM

Sunrise

8AM

44°

9AM

32%

44°

10AM

49%

46°

11AM

68%

44°

12PM

86%

44°

1PM

79%

44°

2PM

53%

44°

3PM

37%

44°

4PM

49%

43°

5PM

57%

43°

6PM

62%

42°

6:28PM

Sunset

7PM

57%

41°

8PM

65%

39°

9PM

63%

39°

10PM

60%

38°

11PM

69%

38°

12AM

66%

38°

1AM

63%

39°

2AM

73%

39°

3AM

75%

39°

4AM

69%

40°

5AM

71%

39°

6AM

68%

39°

7AM

69%

39°

Precipitation

86%

Rain possible around 9:00 AM

Additional Conditions

Pressure 30.45 in
Visibility 10 miles
Clouds Cloudy
Dew Point36°F
Humidity 73%
Rainfall 0.14 in
Snow Depth 0 in

KMDS Station History

Almanac for October 25, 2026

Forecast Average Record
Temperature
High 48°F 55°F 79°F 1989
Low 37°F 34°F 14°F 1942
Rain/Snow Depth
Precipitation 0.6 in 4.1 in -
Snow 0 in 0 in -

Almanac for October 26, 2026

Forecast Average Record
Temperature
High 41°F 55°F 82°F
Low 37°F 33°F 8°F

Astronomy

Sun Rise Set
Actual Time 7:56 AM 6:27 PM
Civil Twilight 7:26 AM 6:57 PM
Nautical Twilight 6:52 AM 7:31PM
Astronomical Twilight 6:18 AM 8:04 PM

Length of Visible Light 11h 31m
Length of Day 10h 31m
Tomorrow will be 2 minutes 48 seconds shorter

Moon 5:52 PM 7:23 AM
Full99% of the Moon is Illuminated

Oct 25

Full Moon

Nov 1

Waning Half Last Qtr

Nov 9

New Moon

Nov 17

Waxing Half First Qtr

Nearby Weather Stations

Loading nearby stations…