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Official National Weather Service (NWS) point forecast and real-time wind conditions for Geist Reservoir (Indiana). 24-hour hour-by-hour wind timelines, peak gusts, watercraft recreation safety thresholds, and 7-day marine outlook.
Today: High 72°F · Low 56°F
Peak gusts: 23 mph · Lake surface chop expected
Humidity: 89% · Barometer: 29.96 inHg
USGS water monitoring available for Geist Reservoir.
Excellent for boating (97/100), from 4 available inputs. Supporting this: Wind 5 mph from the north-northeast. Gusts to 7 mph. Not available from a verified source for this lake: visibility and conditions, verified water access. Confidence is moderate (84%) because some inputs are unavailable or older than ideal.
Good for fishing (85/100), from 5 available inputs. Supporting this: Wind 5 mph from the north-northeast. 4% chance of precipitation. Not available from a verified source for this lake: pressure trend, water temperature. Confidence is moderate (74%) because some inputs are unavailable or older than ideal.
Excellent for kayaking (97/100), from 5 available inputs. Supporting this: Wind 5 mph from the north-northeast. Gusts to 7 mph. Confidence is high (90%).
Water temperature is not available from a verified source for this lake. No swimming score is shown without it. Supporting this: No active official alerts for this lake. 4% chance of precipitation. Not available from a verified source for this lake: water temperature.
| Time | Air Temp | Wind (mph) | Direction | Peak Gusts | Rain Chance | Sky & Conditions |
|---|---|---|---|---|---|---|
| 11 AM | 63°F | 5 mph | NE | ⚡ 7 mph | 4% | Mostly Cloudy |
| 12 PM | 64°F | 6 mph | NE | ⚡ 9 mph | 5% | Mostly Cloudy |
| 1 PM | 66°F | 6 mph | N | ⚡ 10 mph | 6% | Mostly Cloudy |
| 2 PM | 67°F | 6 mph | N | ⚡ 12 mph | 3% | Partly Sunny |
| 3 PM | 70°F | 7 mph | N | ⚡ 13 mph | 4% | Mostly Sunny |
| 4 PM | 70°F | 7 mph | N | ⚡ 13 mph | 7% | Partly Sunny |
| 5 PM | 71°F | 7 mph | N | ⚡ 13 mph | 3% | Mostly Sunny |
| 6 PM | 72°F | 6 mph | N | ⚡ 10 mph | 2% | Partly Cloudy |
| 7 PM | 71°F | 3 mph | N | ⚡ 7 mph | 2% | Mostly Clear |
| 8 PM | 68°F | 2 mph | N | ⚡ 6 mph | 1% | Mostly Clear |
| 9 PM | 64°F | 1 mph | NE | ⚡ 5 mph | 0% | Mostly Clear |
| 10 PM | 63°F | 0 mph | — | ⚡ 4 mph | 0% | Mostly Clear |
| 11 PM | 61°F | 0 mph | — | ⚡ 4 mph | 0% | Clear |
| 12 AM | 60°F | 0 mph | — | ⚡ 4 mph | 0% | Mostly Clear |
| 1 AM | 59°F | 0 mph | — | ⚡ 5 mph | 0% | Mostly Clear |
| 2 AM | 58°F | 0 mph | — | ⚡ 5 mph | 0% | Partly Cloudy |
| 3 AM | 57°F | 0 mph | — | ⚡ 5 mph | 0% | Partly Cloudy |
| 4 AM | 56°F | 1 mph | S | ⚡ 6 mph | 0% | Partly Cloudy |
| 5 AM | 56°F | 2 mph | SW | ⚡ 7 mph | 0% | Patchy Fog |
| 6 AM | 56°F | 2 mph | S | ⚡ 7 mph | 0% | Partly Sunny |
| 7 AM | 55°F | 2 mph | S | ⚡ 7 mph | 0% | Partly Sunny |
| 8 AM | 56°F | 3 mph | S | ⚡ 8 mph | 0% | Partly Sunny |
| 9 AM | 59°F | 5 mph | S | ⚡ 10 mph | 0% | Partly Sunny |
| 10 AM | 66°F | 6 mph | S | ⚡ 12 mph | 0% | Mostly Cloudy |
Mirror-like to gentle rippled water. Optimal conditions for paddleboarding, kayaking, swimming, and beginner water skiing or wakeboarding.
Pleasant breeze with small wavelets. Great for sailing, pleasure cruising, pontoon boats, and trolling for trout and bass.
Moderate waves with whitecaps likely. Requires skilled boat handling; kayaks, canoes, and stand-up paddleboards should stay close to sheltered bays.
Steep waves, cold spray, and hazardous open water. Avoid small craft voyages. Always check official National Weather Service lake wind advisories.
Partly sunny, with a high near 72. North wind around 7 mph.
Patchy fog after 5am. Partly cloudy. Low around 54, with temperatures rising to around 56 overnight. West wind 0 to 6 mph.
Mostly sunny, with a high near 85. South southwest wind 2 to 10 mph, with gusts as high as 18 mph.
Mostly clear, with a low around 66. South southwest wind around 9 mph, with gusts as high as 18 mph.
Sunny, with a high near 87. Southwest wind 8 to 12 mph, with gusts as high as 23 mph.
A chance of showers and thunderstorms after 2am. Mostly clear, with a low around 64. West northwest wind 2 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 77. North northwest wind 3 to 7 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 58. Northeast wind around 9 mph. Chance of precipitation is 60%.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 73. East wind around 12 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 52. South wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
A chance of rain showers. Mostly cloudy, with a high near 65. Chance of precipitation is 50%.
A slight chance of rain showers before 8pm. Mostly cloudy, with a low around 40. Chance of precipitation is 20%.
Partly sunny, with a high near 56.
Partly cloudy, with a low around 34.
Geist Reservoir currently reports 59°F with wind velocity near 10 mph from the E. Atmospheric forecasts and 24-hour hour-by-hour wind timelines are updated hourly from the National Weather Service gridpoint matching the lake's coordinates.
At Geist Reservoir and surrounding mountain valleys, diurnal heating of the surrounding terrain causes strong thermal pressure differentials known locally as afternoon breezes (such as the Washoe Zephyr at Lake Tahoe). Wind speeds typically peak between 1:00 PM and 5:00 PM before calming near sunset.
For stand-up paddleboarding (SUP), canoeing, and light kayaks, winds under 7 mph (light breeze) offer the safest, glassiest surface conditions. Between 8–14 mph, small wavelets develop, suitable for sailboats and powerboats. Winds exceeding 15 mph create steep whitecaps and rapid drift; winds over 21 mph warrant small craft warnings.
All weather and wind telemetry is fetched directly from the National Weather Service (NOAA - WFO IND) high-resolution numerical point-forecast API. LakeRadar uses the official gridpoint for Geist Reservoir without artificial smoothing or third-party estimates.
Yes. Live hydrological sensor readings, 30-day elevation histories, full-pool benchmarks, and USGS station provenance are available on our dedicated Geist Reservoir Water Level & Temperature page.
View Geist Reservoir Water Level & Temperature →