Allen, SD Weather Forecast

Feedback E-mail the Weather

Quick Weather Clicks

Allen, SD Weather Forecast

Current Conditions

Settings
Allen SD weather  - Mist - 56°F
Mist
56°F
Updated 1:38 am
Feels Like 50°F
Humidity 96%
Wind SE 12 mph
Barometer  29.91 in
Dew Point 55°F
Allen SD weather  - Mist - 13°C
Mist
13°C
Updated 1:38 am
Feels Like 10°C
Humidity 96%
Wind SE 19 km/h
Barometer  101.2 kPa
Dew Point 13°C

Allen Weather Forecast

OVERNIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY
Allen, SD Weather - Overnight Thunderstorms Allen, SD Weather - Monday Chance Of T-Storm Allen, SD Weather - Monday Night Mostly Clear Allen, SD Weather - Tuesday Mostly Sunny Allen, SD Weather - Tuesday Night Showers Likely Allen, SD Weather - Wednesday Chance Of Showers Allen, SD Weather - Wednesday Night Chance Of Showers Allen, SD Weather - Thursday Chance Of Showers Allen, SD Weather - Thursday Night Chance Of T-Storm Allen, SD Weather - Friday Chance Of T-Storm Allen, SD Weather - Friday Night Chance Of T-Storm Allen, SD Weather - Saturday Chance Of Showers
Thunderstorms Chance of T-Storm Mostly Clear Mostly Sunny Showers Likely Chance of Showers Chance of Showers Chance of Showers Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of Showers
Lo: 55°FLo: 13°C Hi: 79°FHi: 26°C
Lo: 49°FLo: 9°C Hi: 71°FHi: 22°C
Lo: 51°FLo: 11°C Hi: 79°FHi: 26°C
Lo: 51°FLo: 11°C Hi: 71°FHi: 22°C
Lo: 55°FLo: 13°C Hi: 75°FHi: 24°C
Lo: 51°FLo: 11°C Hi: 71°FHi: 22°C
POP: 70% POP: 40% POP: 70% POP: 20% POP: 20% POP: 30% POP: 60% POP: 40% POP: 40% POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 1147 PM MDT Sun Sep 13 2026 Allen, SD Weather - WeatherWorld.com

Trending Headlines

Allen Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

Allen Quick Facts

National Two Day Weather Forecast


E-mail the Allen Weather Forecast

Voice your opinion or tell us about page issues...

Allen Forecast Discussion

Meteorlogic Glosserator
Instant definitions for any meteorological term.

Issued: 1047 PM MDT Sun Sep 13 2026

Key Messages

  • Passing showers and storms still look likely overnight.
  • Becoming windy on Monday, especially across the northwest.
  • Fire weather concerns on Monday are the wildcard across the northwest.

Discussion

...(This Evening Through Sunday) Issued at 1232 PM MDT Sun Sep 13 2026

Latest water vapor imagery shows 500hpa low spinning across southern WA state with ridging setting up from eastern MT into eastern CO. Upper flow across the Dakotas has turned more northwesterly with broad cyclonic flow set...