Current conditions at
Decorah (KDEH)
Lat: 43.28°NLon: 91.73°WElev: 1158ft.
Overcast
-6°C
21°F
| Humidity | 100% |
| Wind Speed | S 15 G 26 km/h |
| Barometer | 29.79 in |
| Dewpoint | -6°C (21°F) |
| Visibility | 14 km |
| Wind Chill | -12°C (11°F) |
| Last update | 9 Dec 12:55 am CST |
Extended Forecast for
Dorchester IA
Overnight

Low: -4 °C
Patchy Fog
Tuesday
High: 2 °C
Cloudy then
Wintry MixTuesday Night

Low: -5 °C
Rain/Snow and
BlusteryWednesday

High: -1 °C
Chance Snow
and BlusteryWednesday Night

Low: -14 °C
Mostly Cloudy
Thursday

High: -7 °C
Chance Snow
Thursday Night

Low: -16 °C
Chance Snow
Friday

High: -9 °C
Chance Snow
Friday Night

Low: -22 °C
Mostly Cloudy
Detailed Forecast
Overnight
Patchy fog between 4am and 5am. Otherwise, cloudy, with a steady temperature around -4. Southwest wind 10 to 14 km/h, with gusts as high as 29 km/h.
Tuesday
A chance of rain, snow, and freezing rain before 4pm, then snow likely between 4pm and 5pm, then rain and snow after 5pm. High near 2. West wind 8 to 14 km/h becoming south in the afternoon. Winds could gust as high as 34 km/h. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of a centimeter possible. New snow accumulation of less than one centimeter possible.
Tuesday Night
Rain and snow, becoming all snow after 2am. Low around -5. Blustery, with a south wind 18 to 23 km/h becoming northwest 30 to 35 km/h in the evening. Winds could gust as high as 65 km/h. Chance of precipitation is 90%. New snow accumulation of less than one centimeter possible.
Wednesday
A 40 percent chance of snow, mainly before noon. Mostly cloudy, with a high near -1. Blustery, with a northwest wind 30 to 35 km/h decreasing to 18 to 23 km/h in the afternoon. Winds could gust as high as 65 km/h. New snow accumulation of less than one centimeter possible.
Wednesday Night
Mostly cloudy, with a low around -14. Northwest wind 6 to 11 km/h becoming light after midnight.
Thursday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near -7. Northwest wind 3 to 8 km/h.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around -16. Northwest wind 5 to 11 km/h.
Friday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near -9. Northwest wind 11 to 18 km/h, with gusts as high as 35 km/h.
Friday Night
Mostly cloudy, with a low around -22. Northwest wind 10 to 16 km/h, with gusts as high as 34 km/h.
Saturday
A 20 percent chance of snow after noon. Partly sunny and cold, with a high near -16. Northwest wind 8 to 10 km/h.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -23. Northwest wind 5 to 8 km/h.
Sunday
Mostly sunny, with a high near -12. Northwest wind 5 to 10 km/h becoming southeast in the afternoon.
Sunday Night
Mostly cloudy, with a low around -17. South wind around 8 km/h.
Monday
A 20 percent chance of snow. Partly sunny, with a high near -6. South wind 8 to 11 km/h becoming west in the afternoon.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Dorchester IA
43.47°N 91.52°W
43.47°N 91.52°W
11:06 pm CST Dec 8, 2025
1am CST Dec 9, 2025-6pm CST Dec 15, 2025


