Weather for 57645 — Morristown, SD
Conditions and forecast for the exact centre of ZIP code 57645 (45.939, -101.723), not a nearby airport.
38°
Partly cloudy
- Feels like:
- 31°
- Humidity:
- 78%
- Wind:
- 9 mph
- Dew point:
- 32°
Source updated: 12:55:58 PM · WeatherSignal checked: 12:55:58 PM
Next 12 hours in 57645
1 PM
36°
0%
2 PM
35°
0%
3 PM
38°
0%
4 PM
41°
0%
5 PM
44°
0%
6 PM
47°
0%
7 PM
49°
0%
8 PM
51°
0%
9 PM
52°
0%
10 PM
53°
0%
11 PM
51°
0%
12 AM
48°
0%
7 day forecast for 57645
Today
53° / 35°
0% rain · 12 mph wind
Saturday, Oct 17
73° / 38°
0% rain · 14 mph wind
Sunday, Oct 18
66° / 49°
0% rain · 16 mph wind
Monday, Oct 19
58° / 40°
0% rain · 10 mph wind
Tuesday, Oct 20
61° / 44°
0% rain · 13 mph wind
Wednesday, Oct 21
61° / 50°
0% rain · 13 mph wind
Thursday, Oct 22
61° / 47°
0% rain · 16 mph wind
About ZIP code 57645
57645 covers Morristown in South Dakota. Forecasts on this page are generated for the coordinates at the centre of the ZIP code, so small differences from a nearby city forecast are expected and usually correct.
Closest cities with full forecast pages: Fargo (243 mi), Sioux Falls (295 mi), Billings (326 mi), Fort Collins (406 mi).
Nearby ZIP codes
Severe weather warnings are issued by the National Weather Service for counties and polygons that may not line up with ZIP code boundaries. Always follow official warnings for your exact address.
Planning your week in Morristown 57645, South Dakota
- The warmest afternoon ahead is tomorrow, reaching about 73°F.
- The coldest night ahead dips to about 35°F.
- This is a dry stretch — most days show rain chances under 20%, good for outdoor plans.
- The breeziest day looks like Thursday, with sustained wind near 16 mph.
Common questions about Morristown 57645, South Dakota weather
- How accurate is the Morristown 57645, South Dakota forecast?
- The next 48 hours are usually reliable on temperature and sky cover, with timing that can shift by an hour or two. Days three and four are dependable for the overall pattern. Beyond that, treat the numbers as a planning direction rather than a promise — we label confidence on every day so you can judge for yourself.
- What is the best day this week in Morristown 57645, South Dakota?
- No day in the current outlook has a rain chance above 40%, so conditions look favorable for outdoor plans across the week.
- Where does this forecast come from?
- Forecast values come from national weather model data, and official warnings come from the National Weather Service. We show the source and the last-updated time on every page, and we never invent a number the source did not publish — missing measurements are hidden, not guessed.
- How often is this page updated?
- The forecast refreshes whenever the source model publishes new data, typically several times a day. The freshness note near the top of the page shows exactly when the numbers you are looking at were issued.
More weather for Morristown 57645, South Dakota
- Current weather in Morristown 57645, South Dakota
- Morristown 57645, South Dakota hourly forecast
- Morristown 57645, South Dakota weather tomorrow
- Morristown 57645, South Dakota weekend weather
- Morristown 57645, South Dakota weather radar
- Morristown 57645, South Dakota severe weather alerts
- Best time to go outside in Morristown 57645, South Dakota
- What happened overnight in Morristown 57645, South Dakota
- How accurate is the Morristown 57645, South Dakota forecast?
- Morristown 57645, South Dakota monthly weather averages
Weather in nearby cities
- Fargo, ND weather · about 243 miles away
- Sioux Falls, SD weather · about 295 miles away
- Billings, MT weather · about 326 miles away
- Fort Collins, CO weather · about 406 miles away
- Minneapolis, MN weather · about 415 miles away
- St. Paul, MN weather · about 423 miles away