National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Blizzard Conditions Continue Tonight Across Coastal Maine; Critical Fire Weather in the Southern Plains Tuesday

Heavy snow and strong winds will continue into Tuesday morning across Maine as the major winter storm departs off the coast. Blizzard Warnings and Winter Storm Warnings remain in effect. Strong winds and dry conditions will promote elevated to critical fire weather conditions across southeast Colorado into the southern High Plains Tuesday. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

19°F

-7°C

Humidity 74%
Wind Speed S 17 mph
Barometer 29.60 in (1004.8 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 24 Feb 2:53 am CST
Extended Forecast for

Castlewood SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 18. South wind 7 to 10 mph.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 38. Breezy, with a southwest wind 9 to 14 mph becoming northwest 16 to 21 mph in the morning. Winds could gust as high as 33 mph.

    High: 38 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 9. Northwest wind 6 to 14 mph, with gusts as high as 23 mph.

    Low: 9 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of snow after noon. Partly sunny, with a high near 26. Light and variable wind becoming east southeast 5 to 8 mph in the afternoon. Chance of precipitation is 40%.

    High: 26 °F

    Partly Sunny
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 18. Southeast wind around 7 mph becoming west southwest after midnight.

    Low: 18 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 44. West wind 8 to 16 mph, with gusts as high as 26 mph.

    High: 44 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. Southwest wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 49. Breezy, with a west southwest wind 13 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph.

    High: 49 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: A chance of snow after midnight. Mostly cloudy, with a low around 12. North northeast wind 14 to 16 mph. Chance of precipitation is 30%.

    Low: 12 °F

    Partly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 18. South wind 7 to 10 mph.
Tuesday
Mostly cloudy, with a high near 38. Breezy, with a southwest wind 9 to 14 mph becoming northwest 16 to 21 mph in the morning. Winds could gust as high as 33 mph.
Tuesday Night
Mostly clear, with a low around 9. Northwest wind 6 to 14 mph, with gusts as high as 23 mph.
Wednesday
A chance of snow after noon. Partly sunny, with a high near 26. Light and variable wind becoming east southeast 5 to 8 mph in the afternoon. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 18. Southeast wind around 7 mph becoming west southwest after midnight.
Thursday
Sunny, with a high near 44. West wind 8 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 30. Southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 49. Breezy, with a west southwest wind 13 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph.
Friday Night
A chance of snow after midnight. Mostly cloudy, with a low around 12. North northeast wind 14 to 16 mph. Chance of precipitation is 30%.
Saturday
A chance of snow before noon. Mostly cloudy, with a high near 20. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 2.
Sunday
A chance of snow. Mostly sunny, with a high near 22. Chance of precipitation is 30%.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 12. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castlewood SD
 44.72°N 97.02°W (Elev. 1683 ft)
Last Update:
2:36 am CST Feb 24, 2026
Forecast Valid:
3am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation