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Ottumwa, SD · Haakon County
Right Now
Mostly Cloudy
Water
76°
Wind
10 mph
SSE
Gusts
14 mph
Pressure
29.95
steady
Forecast - Fri, Jun 26
High / Low
84° / 57°
Wind
13 mph
gusts 28 mph
Precip
67%
UV
7
Sunrise
11:03 AM
Sunset
2:33 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
Tue, Tue, Jun 30
Tue, Jun 30 scores 75/100 — Wind 9 mph.
Best for Swimming
Tue, Tue, Jun 30
Tue, Jun 30 scores 70/100 — Air 86°F, Wind 9 mph.
Best for Paddling
Tue, Tue, Jun 30
Tue, Jun 30 scores 70/100 — Wind 9 mph.
Ask the AI assistant about this week:
Swipe to see all 9 days
| Metric | Fri26 | Sat27 | Sun28 | Mon29 | Tue30 | Wed1 | Thu2 | Fri3 | Sat4 |
|---|---|---|---|---|---|---|---|---|---|
| Condition | Thunderstorms | Thunderstorms | Thunderstorms | Rain | Mostly Clear | Clear | Thunderstorms | Mostly Clear | Windy |
| High / Low | 84°/57° | 92°/65° | 89°/67° | 85°/62° | 86°/62° | 89°/63° | 91°/67° | 94°/70° | 89°/72° |
| Precip | 67% | 52% | 49% | 33% | 19% | 53% | 53% | 51% | 53% |
| Wind | 20 mphgust 28 | 24 mphgust 32 | 11 mphgust 19 | 21 mphgust 32 | 9 mphgust 18 | 10 mphgust 19 | 14 mphgust 20 | 17 mphgust 29 | 18 mphgust 29 |
| Pressure | 29.79" stable | 29.55" falling | 29.48" falling | 29.55" rising | 29.65" rising | 29.71" rising | 29.76" rising | 29.74" falling | 29.83" rising |
| UV Index | 7 | 9 | 9 | 9 | 9 | 9 | 8 | 9 | 5 |
| Sunrise | 11:03 AM | 11:03 AM | 11:04 AM | 11:04 AM | 11:05 AM | 11:05 AM | 11:06 AM | 11:06 AM | 11:07 AM |
| Sunset | 2:33 AM | 2:33 AM | 2:33 AM | 2:33 AM | 2:33 AM | 2:33 AM | 2:32 AM | 2:32 AM | 2:32 AM |
| Bite Rating | 2/5waxing gibbous | 3/5waxing gibbous | 2/5waxing gibbous | 5/5FULL | 4/5FULL | 3/5FULL | 3/5waning gibbous | 3/5waning gibbous | 2/5waning gibbous |
Today Read
Ottumwa LakeWind read
Moderate
13 mph avg
Water read
76°
Warm-water bite
Air range
57° / 84°
today
Precip
67%
watch timing
Today's forecast for Ottumwa Lake has moderate wind, 57F to 84F air temperatures, 67% chance of precipitation, and 76F water.
AI read · today
Warm water pushes the plan toward oxygen, shade, depth changes, and low light. The planning constraint is weak timing.
Reads 8 live data sources for this lake — tap a stat or ask anything to see its work.
Fishing Forecast
waxing gibbous
Major
6:00 AM - 6:00 AM
Minor
11:46 PM - 1:16 AM
Detailed temperature readings across your lake.
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Water Temperature History
Current
76°
Jul 5
Low
33°
Jan 11
Average
60°
Last 12 Months
Warmest avg: June (81°F)
Coolest avg: January (34°F)
Rapid warming: April → May (+15°F)
Sharpest cooling: September → October (-21°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
6am - 5am
Peak Wind
20 mph
12am
Peak Gust
28 mph
highest gust
Pressure
29.92 inHg
steady
Visibility
12 mi
96% 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
2/5waxing gibbous
Water at 76°F -- warm-water species active.
Nearby Lakes
FAQ
Ottumwa Lake covers 89.00 acres (0.14 square miles) with a maximum depth of 3.05 meters (~10 feet).
Ottumwa Lake is located in Ottumwa, Haakon County, SD. It is accessible to the public for outdoor activities.