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Harrold, SD · Sully County
Right Now
Windy
Water
72°
Wind
16 mph
SE
Gusts
24 mph
Pressure
29.77
falling
Forecast - Sat, Jun 27
High / Low
81° / 64°
Wind
18 mph
gusts 36 mph
Precip
55%
UV
5
Sunrise
10:55 AM
Sunset
2:28 AM
Every forecast metric for the week ahead — plus AI-picked best days for fishing, boating, swimming, and paddling.
Instant recommendations based on wind, precip, pressure, solunar, and temperature.
Best for Fishing
Tue, Tue, Jun 30
Tue, Jun 30 scores 62/100 — Solunar 4/5, Pressure rising.
Best for Boating
Sun, Sun, Jul 5
Sun, Jul 5 scores 77/100 — Wind 6 mph.
Best for Swimming
Sun, Sun, Jul 5
Sun, Jul 5 scores 70/100 — Air 90°F, Wind 6 mph.
Best for Paddling
Sun, Sun, Jul 5
Sun, Jul 5 scores 80/100 — Wind 6 mph.
Ask the AI assistant about this week:
Swipe to see all 9 days
| Metric | Sat27 | Sun28 | Mon29 | Tue30 | Wed1 | Thu2 | Fri3 | Sat4 | Sun5 |
|---|---|---|---|---|---|---|---|---|---|
| Condition | Thunderstorms | Thunderstorms | Rain | Thunderstorms | Thunderstorms | Thunderstorms | Thunderstorms | Partly Cloudy | Clear |
| High / Low | 81°/64° | 87°/67° | 86°/66° | 84°/60° | 86°/64° | 89°/66° | 88°/68° | 93°/70° | 90°/68° |
| Precip | 55% | 63% | 45% | 40% | 53% | 53% | 53% | 53% | 25% |
| Wind | 24 mphgust 36 | 17 mphgust 27 | 19 mphgust 29 | 10 mphgust 14 | 7 mphgust 13 | 13 mphgust 23 | 14 mphgust 25 | 11 mphgust 25 | 6 mphgust 13 |
| Pressure | 29.66" stable | 29.51" falling | 29.52" stable | 29.66" rising | 29.72" rising | 29.80" rising | 29.85" rising | 29.86" stable | 30.02" rising |
| UV Index | 5 | 8 | 9 | 8 | 9 | 7 | 8 | 6 | 10 |
| Sunrise | 10:55 AM | 10:56 AM | 10:56 AM | 10:57 AM | 10:57 AM | 10:58 AM | 10:58 AM | 10:59 AM | 11:00 AM |
| Sunset | 2:28 AM | 2:28 AM | 2:28 AM | 2:28 AM | 2:27 AM | 2:27 AM | 2:27 AM | 2:27 AM | 2:26 AM |
| Bite Rating | 3/5waxing gibbous | 2/5waxing gibbous | 5/5FULL | 4/5FULL | 3/5FULL | 3/5waning gibbous | 3/5waning gibbous | 2/5waning gibbous | 2/5waning gibbous |
Today Read
Walker LakeWind read
Moderate
18 mph avg
Water read
72°
Warm-water bite
Air range
64° / 81°
today
Precip
55%
watch timing
Today's forecast for Walker Lake has moderate wind, 64F to 81F air temperatures, 55% chance of precipitation, and 72F water.
AI read · today
Warm water pushes the plan toward oxygen, shade, depth changes, and low light. The planning constraint is wind control.
Reads 8 live data sources for this lake — tap a stat or ask anything to see its work.
Fishing Forecast
waxing gibbous
Major
5:00 AM - 5:00 AM
Minor
12:42 AM - 2:12 AM
Detailed temperature readings across your lake.
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Water Temperature History
Current
73°
Jul 5
Low
41°
Feb 15
Average
61°
Last 12 Months
Warmest avg: July (80°F)
Coolest avg: November (44°F)
Rapid warming: April → May (+13°F)
Sharpest cooling: September → October (-15°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
5am - 4am
Peak Wind
24 mph
6pm
Peak Gust
36 mph
highest gust
Pressure
29.79 inHg
steady
Visibility
13 mi
84% clouds
Tap chart for details, swipe left or right for different days.Tap chart for details • Swipe for different days
Pressure stability helps plan windows
Tap chart points for pressure details
Nearby Lakes
Fishing Forecast
3/5waxing gibbous
Water at 72°F -- warm-water species active.
Nearby Lakes
FAQ
Walker Lake covers 59.28 acres (0.09 square miles) with a maximum depth of 2.42 meters (~8 feet).
Walker Lake is located in Harrold, Sully County, SD. It is accessible to the public for outdoor activities.