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Two Medicine Lake is one of the lakes LakeRadar tracks in Montana. It covers roughly 1,150 surface acres (about 2 square miles). Other waters in the region include Lake McDonald and Flathead Lake. The page brings together an hourly and 7-day forecast, wind and gust outlook, and activity scores for boating, paddling, and swimming. Current weather, wind, and activity conditions for Two Medicine Lake are updated throughout the day.
Updated
Alerts are published by official agencies and shown verbatim. View the official alert source.
Winter Storm Warning issued October 11 at 10:29AM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT
Overall Poor (49/100) across 4 activities. Best right now: Sailing (59/100).
How the score is calculated →Best good fishing window, averaging 86/100 across these hours. Wind 9 mph from the west-southwest. Dusk hours (18:00 local). Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 25° | 24° | 23° | 22° | 21° | 21° | 21° | 21° | 21° | 21° | 21° | 20° | 19° | 19° | 19° | 20° | 21° | 24° | 27° | 30° | 33° | 36° | 38° | 38° |
| Wind (kts) | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 11 | 10 | 10 | 9 | 8 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 |
| Direction | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | E | S | SW | SW | SW | SW | SW | SW | SW | W |
| Gusts (kts) | 23 | 22 | 22 | 22 | 23 | 22 | 20 | 18 | 16 | 14 | 13 | 11 | 9 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 |
| Precip % | 87% | 89% | 90% | 90% | 89% | 86% | 82% | 75% | 73% | 67% | 55% | 42% | 23% | 24% | 20% | 9% | 4% | 3% | 2% | 3% | 2% | 2% | 1% | 1% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Sun, 5 PM MDT | 25°F | 16 mph NE (45°) | 27 mph | 87% | 95% | Snow |
| Sun, 6 PM MDT | 24°F | 15 mph NE (45°) | 25 mph | 89% | 94% | Snow |
| Sun, 7 PM MDT | 23°F | 15 mph NE (45°) | 25 mph | 90% | 97% | Snow |
| Sun, 8 PM MDT | 22°F | 15 mph NE (45°) | 25 mph | 90% | 97% | Snow |
| Sun, 9 PM MDT | 21°F | 15 mph NE (45°) | 27 mph | 89% | 97% | Snow |
| Sun, 10 PM MDT | 21°F | 14 mph NE (45°) | 25 mph | 86% | 97% | Snow |
| Sun, 11 PM MDT | 21°F | 14 mph NE (45°) | 23 mph | 82% | 97% | Snow |
| Mon, 12 AM MDT | 21°F | 13 mph NE (45°) | 21 mph | 75% | 96% | Snow |
| Mon, 1 AM MDT | 21°F | 12 mph NE (45°) | 18 mph | 73% | 94% | Snow Likely |
| Mon, 2 AM MDT | 21°F | 12 mph NE (45°) | 16 mph | 67% | 94% | Light Snow Likely |
| Mon, 3 AM MDT | 21°F | 10 mph NE (45°) | 15 mph | 55% | 93% | Light Snow Likely |
| Mon, 4 AM MDT | 20°F | 9 mph NE (45°) | 13 mph | 42% | 93% | Chance Light Snow |
| Mon, 5 AM MDT | 19°F | 7 mph NE (45°) | 10 mph | 23% | 94% | Slight Chance Light Snow |
| Mon, 6 AM MDT | 19°F | 6 mph NE (45°) | 9 mph | 24% | 96% | Slight Chance Light Snow |
| Mon, 7 AM MDT | 19°F | 6 mph E (90°) | 8 mph | 20% | 97% | Slight Chance Light Snow |
| Mon, 8 AM MDT | 20°F | 6 mph SSE (158°) | 8 mph | 9% | 95% | Cloudy |
| Mon, 9 AM MDT | 21°F | 6 mph SSW (203°) | 8 mph | 4% | 79% | Mostly Cloudy |
| Mon, 10 AM MDT | 24°F | 6 mph SSW (203°) | 8 mph | 3% | 74% | Mostly Cloudy |
| Mon, 11 AM MDT | 27°F | 6 mph SW (225°) | 8 mph | 2% | 65% | Partly Sunny |
| Mon, 12 PM MDT | 30°F | 6 mph SW (225°) | 8 mph | 3% | 56% | Partly Sunny |
| Mon, 1 PM MDT | 33°F | 6 mph SW (225°) | 8 mph | 2% | 56% | Partly Sunny |
| Mon, 2 PM MDT | 36°F | 7 mph SW (225°) | 9 mph | 2% | 48% | Mostly Sunny |
| Mon, 3 PM MDT | 38°F | 7 mph SW (225°) | 9 mph | 1% | 46% | Mostly Sunny |
| Mon, 4 PM MDT | 38°F | 7 mph WSW (248°) | 9 mph | 1% | 45% | Mostly Sunny |
| Mon, 5 PM MDT | 36°F | 8 mph WSW (248°) | 12 mph | 1% | 46% | Mostly Sunny |
Official National Weather Service hourly forecast. Showing 10 of 25 hours. Wind arrows point the way the wind is blowing; the compass point and degrees show where it comes from.
| Period | This Afternoon October 11, 2026 | Tonight October 11, 2026 | Columbus Day October 12, 2026 | Monday Night October 12, 2026 | Tuesday October 13, 2026 | Tuesday Night October 13, 2026 | Wednesday October 14, 2026 | Wednesday Night October 14, 2026 | Thursday October 15, 2026 | Thursday Night October 15, 2026 | Friday October 16, 2026 | Friday Night October 16, 2026 | Saturday October 17, 2026 | Saturday Night October 17, 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 25° | 19° | 38° | 24° | 44° | 29° | 50° | 34° | 51° | 35° | 58° | 43° | 58° | 40° |
| Wind | NE 16 mph | NE 7 to 15 mph | SSW 8 mph | WSW 9 to 20 mph | WSW 5 to 16 mph | WSW 3 to 13 mph | WSW 16 mph | W 12 to 20 mph | NNW 3 to 8 mph | SW 2 to 8 mph | SW 12 to 15 mph | WSW 14 to 36 mph | WSW 30 to 37 mph | WSW 28 to 37 mph |
| Gusts | 27 mph | 27 mph | 12 mph | 28 mph | 23 mph | 20 mph | 27 mph | 24 mph | 10 mph | 10 mph | 20 mph | 39 mph | 54 mph | 50 mph |
| Precip % | 87% | 90% | 24% | 0% | 0% | 0% | 0% | 2% | 3% | 0% | 0% | 0% | 0% | 5% |
| Forecast |
No active USGS or USACE telemetry gauge is currently mapped to Two Medicine Lake. Not available from a verified source for this lake.
Fair for fishing (57/100), from 5 available inputs. Supporting this: Afternoon hours (17:00 local). Sky is overcast (95% cloud cover). Working against it: 87% chance of precipitation is likely. Air temperature 25°F. 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.
Poor for boating (39/100), from 4 available inputs. Working against it: Active severe alert: Winter Storm Warning. 87% chance of precipitation is likely. 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.
Fair for sailing (59/100), from 4 available inputs. Supporting this: Wind 16 mph from the NE is in the preferred sailing range. Working against it: Active severe alert: Winter Storm Warning. 87% chance of precipitation is likely. Not available from a verified source for this lake: visibility. Confidence is high (88%).
Poor for kayaking (39/100), from 5 available inputs. Working against it: Active severe alert: Winter Storm Warning. 87% chance of precipitation is likely. Confidence is high (90%).
Water temperature is not available from a verified source for this lake. No swimming score is shown without it.
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Individual boat ramp GPS coordinates are maintained under the jurisdiction of MT Parks & Wildlife Authority. Public boaters should verify seasonal launch water levels, gate hours, and daily vehicle/vessel fees before traveling.
Two Medicine Lake is a versatile freshwater lake in MT, overseen by state and local natural resource agencies to provide safe, sustainable outdoor recreation for all visitors. The lake supports active watersports, pontoon cruising, and bank fishing along accessible public easements. Checking current weather alerts and wave forecasts ensures a safe trip.
Valid freshwater sport fishing license issued by Montana Fish, Wildlife & Parks (FWP) is required for anglers age 12+. Digital license on mobile is accepted.
Mandatory Clean, Drain & Dry inspection. Out-of-area craft require on-site Aquatic Invasive Species (AIS Quagga/Zebra) inspection or decontamination before launch. USCG life jackets required for all.
Public shoreline and boating access managed by State & Local Authorities. Verify seasonal gate hours, launch fees, and parking rules before travel.
High-speed motorboating, pontoon cruising, wakeboarding, and water skiing across main channels. Target gamefish include Brook Trout, Mackinaw (Lake Trout), Rainbow Trout, Mountain Whitefish. Morning hours typically provide optimal glassy conditions for kayak and stand-up paddleboard (SUP) touring.
Warm water temperatures, peak swimming, active watersports, and open full-service campgrounds. Highest weekly attendance; plan early arrivals on summer weekends.
Spring pre-spawn and fall feeding transitions create prime trophy angling conditions. Cooler air, lower boat traffic, and vibrant seasonal shoreline foliage.
Northern cold winter conditions with freezing air temperatures and potential surface ice formation. Ramps and water systems may be winterized. Confirm open status before visiting.
No external source rows are cited by the data currently shown on this page.
Updated
Scores are heuristics, not safety guarantees. LakeRadar scores summarize available conditions and are not a substitute for official warnings, local rules, or on-water judgment.
All telemetry for Two Medicine Lake is synchronized directly from authorized federal and state monitoring networks (USGS, NWS, NOAA, and state environmental authorities). Observations are strictly instrumented readings — unmonitored sensors are transparently disclosed rather than synthetic estimates.
Last source audit: Oct 11, 5:32 PM MDT