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Fort Sisseton, SD · Marshall County
Right Now
Clear
Water
70°
Wind
11 mph
WNW
Gusts
21 mph
Pressure
29.99
falling
Forecast - Wed, Jun 24
High / Low
69° / 53°
Wind
10 mph
gusts 25 mph
Precip
32%
UV
5
Sunrise
10:41 AM
Sunset
2:23 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 70/100 — Solunar 4/5, Pressure rising.
Best for Boating
Thu, Thu, Jun 25
Thu, Jun 25 scores 77/100 — Wind 7 mph.
Best for Swimming
Thu, Thu, Jun 25
Thu, Jun 25 scores 65/100 — Air 73°F, Wind 7 mph.
Best for Paddling
Thu, Thu, Jun 25
Thu, Jun 25 scores 80/100 — Wind 7 mph.
Ask the AI assistant about this week:
Swipe to see all 9 days
| Metric | Wed24 | Thu25 | Fri26 | Sat27 | Sun28 | Mon29 | Tue30 | Wed1 | Thu2 |
|---|---|---|---|---|---|---|---|---|---|
| Condition | Drizzle | Partly Cloudy | Cloudy | Rain | Thunderstorms | Windy | Partly Cloudy | Rain | Drizzle |
| High / Low | 69°/53° | 73°/51° | 73°/57° | 81°/62° | 87°/66° | 90°/69° | 84°/65° | 83°/69° | 84°/69° |
| Precip | 32% | 27% | 34% | 51% | 52% | 35% | 21% | 42% | 31% |
| Wind | 15 mphgust 25 | 7 mphgust 13 | 15 mphgust 24 | 22 mphgust 37 | 20 mphgust 34 | 18 mphgust 27 | 11 mphgust 17 | 14 mphgust 25 | 11 mphgust 19 |
| Pressure | 30.02" stable | 30.00" falling | 29.91" falling | 29.73" falling | 29.55" falling | 29.60" rising | 29.77" rising | 29.80" rising | 29.91" rising |
| UV Index | 5 | 6 | 4 | 6 | 7 | 8 | 7 | 6 | 5 |
| Sunrise | 10:41 AM | 10:41 AM | 10:42 AM | 10:42 AM | 10:42 AM | 10:43 AM | 10:43 AM | 10:44 AM | 10:45 AM |
| Sunset | 2:23 AM | 2:23 AM | 2:23 AM | 2:23 AM | 2:23 AM | 2:23 AM | 2:23 AM | 2:23 AM | 2:23 AM |
| Bite Rating | 3/5first quarter | 2/5waxing gibbous | 2/5waxing gibbous | 3/5waxing gibbous | 2/5waxing gibbous | 5/5FULL | 4/5FULL | 3/5FULL | 3/5waning gibbous |
Today Read
Fourmile LakeWind read
Moderate
10 mph avg
Water read
70°
Warm-water bite
Air range
53° / 69°
today
Precip
32%
watch timing
Today's forecast for Fourmile Lake has moderate wind, 53F to 69F air temperatures, 32% chance of precipitation, and 70F water.
AI read · today
Warm water pushes the plan toward oxygen, shade, depth changes, and low light. The planning constraint is finding the right window.
Reads 9 live data sources for this lake — tap a stat or ask anything to see its work.
Fishing Forecast
first quarter
Major
2:11 AM - 4:41 AM
Minor
9:23 PM - 10:53 PM
Detailed temperature readings across your lake.
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Fish Species
5Water Temperature History
Current
70°
Jun 28
Low
32°
Mar 1
Average
50°
Last 12 Months
Warmest avg: June (67°F)
Coolest avg: February (36°F)
Rapid warming: April → May (+17°F)
Sharpest cooling: August → September (-17°F)
Wind speed, gusts, and pressure trends for trip timing.
Swipe days or tap points
5am - 4am
Peak Wind
15 mph
6pm
Peak Gust
25 mph
highest gust
Pressure
30.04 inHg
rising
Visibility
18 mi
3% 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
3/5first quarter
Water at 70°F -- warm-water species active.
Fish Species
5Nearby Lakes
FAQ
Fourmile Lake covers 388.00 acres (0.61 square miles)
Fourmile Lake is located in Fort Sisseton, Marshall County, SD. It is accessible to the public for outdoor activities.