Today
Clear throughout the day, high +50°, low +41°. Light wind, up to 11 mph. No precipitation expected.
Weather in Eureka
United States · South Dakota · 45.7694, -99.6196
Today Now 3:58 PM
+50° Clear
Hourly forecast
Today10/16
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow clear, high +66°, low +39°, 16° warmer.
Week
Seven days ahead fall within +39°…+72°. Peak warmth: Wed, +72°. Coldest at night — Sat, +39°. Rain on Fri. Clear days — 7. Strongest wind — Fri, up to 22 mph. Second half of the week is warmer than the first.
Week vs norm
- Today 10/16 +50° −9° usually +59°
- Tomorrow 10/17 +66° +8° usually +58°
- Sun 10/18 +68° +11° usually +57°
- Mon 10/19 +63° +6° usually +57°
- Tue 10/20 +64° +8° usually +56°
- Wed 10/21 +72° +16° usually +56°
- Thu 10/22 +66° +11° usually +55°
- Fri 10/23 +70° +15° usually +54°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 16
Today is cooler than usual for this date.
- Heat record +86° 1991
- Cold record +18° 1992
- Most precipitation 0.6 in 1994
- Strongest gust 49 mph 2014
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Eureka
Today is about 9° colder than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +23° / +7° | +14° | 0.8 |
| Feb | +28° / +11° | +18° | 0.8 |
| Mar | +40° / +22° | +29° | 1.2 |
| Apr | +55° / +33° | +42° | 2.2 |
| May | +68° / +46° | +56° | 3.2 |
| Jun | +78° / +57° | +66° | 3.7 |
| Jul | +84° / +63° | +73° | 2.7 |
| Aug | +83° / +60° | +71° | 2.8 |
| Sep | +75° / +52° | +62° | 2.1 |
| Oct | +59° / +39° | +47° | 1.9 |
| Nov | +41° / +25° | +31° | 0.9 |
| Dec | +28° / +13° | +19° | 1.0 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
7:56 AM | 6:50 PM
Moon
2:21 PM | 10:20 PM
Moon phase
Waxing crescent 32%
Next solar eclipse
Calculating for this city…