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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Hettinger, Hettinger Municipal Airport (KHEI)

Lat: 46.01°NLon: 102.65°WElev: 2703ft.

Fair

72°F

22°C

Humidity 28%
Wind Speed NE 9 mph
Barometer 29.62 in (1002.5 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 10 Oct 4:53 pm MDT
Extended Forecast for

Lemmon SD

  • Tonight

    Tonight: Increasing clouds, with a low around 45. North wind 7 to 16 mph, with gusts as high as 28 mph.

    Low: 45 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of showers between 9am and 3pm. Cloudy, with a high near 53. Northeast wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 53 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after midnight. Cloudy, with a low around 39. Northeast wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely

  • Columbus Day

    Columbus Day: A 40 percent chance of showers. Cloudy, with a high near 47. Northeast wind around 9 mph, with gusts as high as 21 mph.

    High: 47 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37. Northwest wind 5 to 8 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52. Northwest wind around 5 mph becoming calm in the afternoon.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain after noon. Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

Detailed Forecast

Tonight
Increasing clouds, with a low around 45. North wind 7 to 16 mph, with gusts as high as 28 mph.
Sunday
A chance of showers between 9am and 3pm. Cloudy, with a high near 53. Northeast wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Sunday Night
Showers likely, mainly after midnight. Cloudy, with a low around 39. Northeast wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Columbus Day
A 40 percent chance of showers. Cloudy, with a high near 47. Northeast wind around 9 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 37. Northwest wind 5 to 8 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 52. Northwest wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
A slight chance of rain after noon. Mostly sunny, with a high near 56.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 39.
Thursday
A chance of rain, mainly before noon. Partly sunny, with a high near 58. Breezy.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lemmon SD
 45.94°N 102.18°W (Elev. 2598 ft)
Last Update:
3:36 pm MDT Oct 10, 2026
Forecast Valid:
5pm MDT Oct 10, 2026-6pm MDT Oct 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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