Dangerous Fire Conditions in the Southern High Plains; Severe Weather from the Great Lakes into Central/Southern Plains; Late-Season Mountain Snow

Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected from the Great Lakes into the central/southern Plains. Heavy late-season snow and cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

Lat: 44.05°NLon: 103.05°WElev: 3202ft.

Fair

44°F

7°C

Humidity 73%
Wind Speed NW 18 mph
Barometer 29.87 in (1011.5 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 18 May 2:52 am MDT
Extended Forecast for

Hermosa SD

  • Overnight

    Overnight: A 50 percent chance of showers.  Cloudy, with a steady temperature around 43. North wind 11 to 16 mph, with gusts as high as 29 mph.

    Low: 43 °F

    Chance
    Showers

  • Monday

    Monday: Showers.  High near 43. Breezy, with a north wind 18 to 25 mph, with gusts as high as 40 mph.  Chance of precipitation is 100%.

    High: 43 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of showers before midnight.  Cloudy during the early evening, then gradual clearing, with a low around 30. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 33 mph.

    Low: 30 °F

    Slight Chance
    Showers and
    Blustery then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 34. East wind 5 to 7 mph becoming light and variable.

    Low: 34 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 33 mph.

    High: 69 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon.  Partly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 50 percent chance of showers. Cloudy, with a steady temperature around 43. North wind 11 to 16 mph, with gusts as high as 29 mph.
Monday
Showers. High near 43. Breezy, with a north wind 18 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%.
Monday Night
A 20 percent chance of showers before midnight. Cloudy during the early evening, then gradual clearing, with a low around 30. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 33 mph.
Tuesday
Mostly sunny, with a high near 58. Calm wind becoming east 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 34. East wind 5 to 7 mph becoming light and variable.
Wednesday
Mostly sunny, with a high near 69. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 33 mph.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 67.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 40.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Hermosa SD
 43.84°N 103.19°W (Elev. 3383 ft)
3:27 am MDT May 18, 2026
3am MDT May 18, 2026-6pm MDT May 24, 2026
 
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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