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Numbers: today's rain (mm)
Next 2 hours · radar nowcast
Nothing moving your way on IMD’s latest picture (pictures arrive 30–45 min late, so showers forming since then don’t show) · rain is moving in from the N 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 3:36 AM · Lightning 4:01 AM · Gauges to 04:30 AM · Models 4:32 AM
👥 Is it raining where you are right now?
No rain expected in the next 24 hours
0 mm expected in 24 hours · 3% chance of rain today
☀️ Dry spell: 4 AM – 3 AM
☂️ Umbrella?✅
Not needed — low chance of rain
👕 Dry clothes outside?✅
Yes — Today 8 AM – 5 PM
🏍️ Two-wheeler ride?⚠️
Carry a raincoat and ride slowly
🌅 Evening outing?✅
Today: pleasant evening, 28° — beach or park
🌾 Spray crops?✅
Yes — Today 6 AM – 12 PM
| Time | Rain (%, mm) | Temp | Wind | RH | |
|---|---|---|---|---|---|
| 4 AM | ☁️ | 1% | 23° | 8 | 76% |
| 5 AM | ☁️ | 1% | 22° | 9 | 80% |
| 6 AM | ☁️ | 1% | 22°(25°) | 9 | 83% |
| 7 AM | ☁️ | 1% | 24°(27°) | 9 | 80% |
| 8 AM | ☁️ | 1% | 26°(29°) | 11 | 74% |
| 9 AM | ☁️ | 1% | 27°(30°) | 13 | 70% |
| 10 AM | 🌤️ | 1% | 29°(32°) | 13 | 65% |
| 11 AM | ☁️ | 1% | 29°(33°) | 14 | 65% |
| 12 PM | ☁️ | 1% | 29°(34°) | 15(32) | 64% |
| 1 PM | ☁️ | 1% | 29°(33°) | 17(34) | 65% |
| 2 PM | ☁️ | 1% | 29°(32°) | 18(35) | 64% |
| 3 PM | 🌤️ | 1% | 29° | 20(37) | 62% |
| 4 PM | 🌤️ | 1% | 28° | 22(40) | 65% |
| 5 PM | 🌤️ | 1% | 27° | 18(39) | 71% |
| 6 PM | ☀️ | 1% | 26°(28°) | 16(31) | 76% |
| 7 PM | 🌙 | 1% | 25°(27°) | 13 | 81% |
| 8 PM | 🌙 | 1% | 24°(27°) | 14 | 86% |
| 9 PM | ☁️ | 1% | 24°(26°) | 14 | 91% |
| 10 PM | ☁️ | 1% | 23°(26°) | 15 | 95% |
| 11 PM | ☁️ | 1% | 23°(25°) | 16 | 98% |
| 12 AM | 🌫️ | 1% | 22°(25°) | 17 | 100% |
| 1 AM | 🌫️ | 1% | 22°(25°) | 17 | 100% |
| 2 AM | 🌫️ | 1% | 22°(24°) | 17 | 100% |
| 3 AM | 🌫️ | 1% | 22°(24°) | 17 | 100% |
| 4 AM | 🌫️ | 1% | 21°(24°) | 17 | 100% |
| 5 AM | ☁️ | 1% | 21°(23°) | 17 | 99% |
| 6 AM | ☀️ | 1% | 21° | 17 | 97% |
| 7 AM | 🌤️ | 1% | 23°(25°) | 15 | 91% |
| 8 AM | ☀️ | 1% | 25°(27°) | 18(33) | 81% |
| 9 AM | ☀️ | 1% | 27° | 22(40) | 69% |
“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 | 0.6 | 0 | 0 | 12.7 mm |
| GFS (USA)✓ used | 0.3 | 0 | 0 | 11.5 mm |
| ICON (Germany)✓ used | 0 | 0 | 0 | 9.5 mm |
| UK Met Office✓ used | 0 | 0 | 0 | 12.2 mm |
| Météo-France✓ used | 0 | 0 | 0 | 12.3 mm |
| CMA (China)✓ used | 0.9 | 0 | 0 | 12.5 mm |
| ECMWF (Europe) | 0.6 | 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.
Udumalpet0.0 km
24 h to 8:30 AM 45 mm
Pallapalayam6.6 km
3 h 0 mmSince 8:30 AM 0 mm24 h to 8:30 AM 26 mm
Manupatti10.5 km
3 h 0 mmSince 8:30 AM 0 mm24 h to 8:30 AM 32 mm
Highest in district (24 h): Karatholuvu 160 mm
📋 Full district report: by taluk, dams →TN-SMART · Tamil Nadu Disaster Risk Reduction Agency
| 10 AM |
| ☀️ |
| 1% |
| 28° |
| 25(46) |
| 66% |
| 11 AM | 🌤️ | 1% | 29°(31°) | 26(49) | 62% |
| 12 PM | ☀️ | 1% | 30°(32°) | 27(50) | 59% |
| 1 PM | ☀️ | 1% | 30°(32°) | 27(50) | 61% |
| 2 PM | ☀️ | 1% | 29° | 27(51) | 64% |
| 3 PM | ☀️ | 1% | 29° | 27(50) | 66% |
| 4 PM | ☀️ | 1% | 28° | 25(48) | 70% |
| 5 PM | ☀️ | 1% | 27° | 24(45) | 75% |
| 6 PM | ☀️ | 1% | 26° | 22(41) | 77% |
| 7 PM | 🌙 | 1% | 25° | 19(38) | 78% |
| 8 PM | 🌙 | 1% | 24° | 17(33) | 82% |
| 9 PM | ☁️ | 1% | 23°(26°) | 15 | 87% |
| 10 PM | ☁️ | 1% | 23°(25°) | 15 | 90% |
| 11 PM | ☁️ | 1% | 22°(24°) | 15 | 92% |
| 12 AM | 🌙 | 1% | 22° | 16 | 93% |
| 1 AM | 🌙 | 1% | 21° | 17 | 94% |
| 2 AM | 🌙 | 1% | 21° | 18(30) | 95% |
| 3 AM | 🌙 | 1% | 21° | 19(33) | 92% |
| 0 |
| 13.8 mm |
| JMA (Japan) | 0 | 0 | 0 | 13.0 mm |
| GEM (Canada) | 0 | 0 | 0 | 17.9 mm |