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Numbers: today's rain (mm)
Next 2 hours · radar nowcast
Rain likely to stop in about 40 min · rain is moving in from the NW at 20 km/h (using the upper-air wind)
Approximate: rain cells grow and fade as they move · Testing: the radar nowcast is still being checked against what happened
Sources
Radar 7:39 AM · Lightning 7:41 AM · Gauges to 07:30 AM · Models 6:58 AM
👥 Is it raining where you are right now?
No rain expected in the next 24 hours
1 mm expected in 24 hours · 19% chance of rain today
☀️ Dry spell: 4 PM – 5 AM
☂️ Umbrella?✅
Not needed — low chance of rain
👕 Dry clothes outside?✅
Yes — Today 9 AM – 1 PM
🏍️ Two-wheeler ride?✅
Fine — no significant rain
🌅 Evening outing?✅
Today: pleasant evening, 26° — beach or park
🌾 Spray crops?✅
Yes — Today 6 AM – 1 PM
🎣 Go to sea?✅
Calm sea — waves 1.2 m
| Time | Rain (%, mm) | Temp | Wind | RH | |
|---|---|---|---|---|---|
| 6 AM | 🌤️ | 1% | 25°(30°) | 3 | 90% |
| 7 AM | ☁️ | 1% | 26°(32°) | 1 | 94% |
| 8 AM | 🌦️ | 1% | 26°(32°) | 2 | 91% |
| 9 AM | 🌦️ | 1% | 27°(33°) | 5 | 84% |
| 10 AM | 🌦️ | 1% | 27°(34°) | 8 | 85% |
| 11 AM | 🌦️ | 4% | 28°(34°) | 6 | 86% |
| 12 PM | 🌦️ | 6% | 27°(32°) | 10 | 85% |
| 1 PM | 🌦️ | 6% · 0.1 | 26°(32°) | 3 | 93% |
| 2 PM | 🌦️ | 6% · 0.2 | 27°(34°) | 7 | 84% |
| 3 PM | 🌦️ | 4% · 0.2 | 25°(31°) | 6 | 93% |
| 4 PM | 🌦️ | 4% · 0.1 | 26°(31°) | 8 | 90% |
| 5 PM | 🌦️ | 4% | 25°(30°) | 7 | 94% |
| 6 PM | 🌦️ | 1% | 25°(30°) | 5 | 94% |
| 7 PM | ☁️ | 1% | 24°(29°) | 4 | 94% |
| 8 PM | 🌙 | 1% | 24°(29°) | 5 | 94% |
| 9 PM | 🌦️ | 1% | 24°(29°) | 6 | 93% |
| 10 PM | 🌦️ | 1% | 24°(29°) | 5 | 93% |
| 11 PM | 🌦️ | 1% | 24°(29°) | 4 | 96% |
| 12 AM | 🌦️ | 1% | 24°(28°) | 6 | 96% |
| 1 AM | 🌦️ | 1% | 24°(28°) | 7 | 96% |
| 2 AM | ☁️ | 1% | 24°(28°) | 9 | 96% |
| 3 AM | ☁️ | 1% | 24°(28°) | 9 | 96% |
| 4 AM | ☁️ | 1% | 24°(28°) | 9 | 96% |
| 5 AM | ☁️ | 1% | 24°(28°) | 9 | 95% |
| 6 AM | 🌤️ | 1% | 24°(28°) | 9 | 95% |
| 7 AM | 🌤️ | 1% | 25°(31°) | 7 | 93% |
| 8 AM | 🌤️ | 1% | 27°(32°) | 9 | 86% |
| 9 AM | 🌤️ | 1% | 28°(32°) | 10 | 78% |
| 10 AM | 🌤️ | 1% | 29°(34°) | 10 | 70% |
| 11 AM | 🌤️ | 1% | 30°(35°) | 11 | 65% |
“Chance” = how often it actually rained on days when this many models forecast rain. Even when every model says rain, it rained on only about 2 in 3 days.
A consensus of 9 global weather models. Every day we check which models were right in Tamil Nadu against TN-SMART gauges and lean on those (last 25 days).
| Today | Tomorrow | Thu, 29 Oct | Recent avg. error | |
|---|---|---|---|---|
| ECMWF AI✓ used | 4.2 | 1.8 | 0 | 12.7 mm |
| GFS (USA)✓ used | 5.3 | 0 | 0 | 11.5 mm |
| ICON (Germany)✓ used | 1.7 | 0 | 0 | 9.5 mm |
| UK Met Office✓ used | 0.8 | 0.7 | 0 | 12.2 mm |
| Météo-France✓ used | 0.4 | 0 | 0 | 12.3 mm |
| CMA (China)✓ used | 0.3 | 0.3 | 0 | 12.5 mm |
| ECMWF (Europe) | 4.2 | 3.0 |
No weatherman has made a specific forecast for this district for today or tomorrow yet.
Each forecast is checked the next morning against TN-SMART gauges (last 30 days). Claude AI reads the posts to pick out the forecasts; open a post for the full picture.
Kalial0.0 km
24 h to 8:30 AM 53 mm
Chittar Dam 2 (Sivalogam) ARG3.8 km
3 h 0 mmSince 8:30 AM 1.2 mm24 h to 8:30 AM 32 mm
Sivalogam (Chittar II)3.9 km
24 h to 8:30 AM 31 mm
Highest in district (24 h): Kottaram 79 mm
📋 Full district report: by taluk, dams →TN-SMART · Tamil Nadu Disaster Risk Reduction Agency
| 12 PM |
| 🌤️ |
| 4% |
| 30°(35°) |
| 12 |
| 62% |
| 1 PM | 🌤️ | 4% | 30°(35°) | 14(33) | 61% |
| 2 PM | 🌦️ | 4% | 30°(34°) | 14(34) | 64% |
| 3 PM | 🌦️ | 1% | 29°(32°) | 14(34) | 68% |
| 4 PM | 🌦️ | 1% | 28°(32°) | 11(31) | 72% |
| 5 PM | 🌦️ | 1% | 27°(32°) | 5 | 82% |
| 6 PM | 🌦️ | 1% | 26°(30°) | 5 | 86% |
| 7 PM | 🌦️ | 1% | 25°(29°) | 7 | 90% |
| 8 PM | ☁️ | 1% | 25°(30°) | 7 | 91% |
| 9 PM | ☁️ | 1% | 25°(29°) | 7 | 91% |
| 10 PM | ☁️ | 1% | 25°(29°) | 7 | 91% |
| 11 PM | ☁️ | 1% | 24°(29°) | 8 | 91% |
| 12 AM | 🌙 | 1% | 24°(28°) | 8 | 91% |
| 1 AM | 🌙 | 1% | 24°(28°) | 8 | 92% |
| 2 AM | ☁️ | 1% | 23°(27°) | 6 | 91% |
| 3 AM | ☁️ | 1% | 23°(27°) | 6 | 90% |
| 4 AM | ☁️ | 1% | 23°(26°) | 7 | 87% |
| 5 AM | ☁️ | 1% | 23°(26°) | 8 | 85% |
| 0 |
| 13.8 mm |
| JMA (Japan) | 0.6 | 0.6 | 0.6 | 13.0 mm |
| GEM (Canada) | 1.7 | 0 | 0 | 17.9 mm |