Petersburg, MN Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Petersburg, MN in one place.
A slight chance of showers and thunderstorms before 4am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 57, with temperatures rising to around 61 overnight. East southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Petersburg, MN is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 30, 2026 9:43 PM CDT.
The active forecast window currently covers May 30 to Jun 6, 2026 for Petersburg, MN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 6, 2026
- Latest sync
- May 30, 2026 9:43 PM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Petersburg
Wednesday looks like the warmest upcoming period in Petersburg at 82 degrees F.
Tonight is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Tonight at about 10 to 15 mph ESE.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 9:43 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- FSD
- Radar station
- KFSD
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely between 8pm and 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers and thunderstorms likely between midnight and 1am, then a chance of showers and thunderstorms between 1am and 2am, then showers and thunderstorms likely between 2am and 4am, then a slight chance of showers and thunderstorms between 4am and 5am. Mostly cloudy. Low around 58, with temperatures rising to around 61 overnight. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 80. South southwest wind around 5 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 57. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Mostly sunny, with a high near 81. Southeast wind 5 to 10 mph.
A slight chance of rain showers between 7pm and 1am. Partly cloudy, with a low around 57.
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 82.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
May 30
|
Slight Chance Showers And Thunderstorms
|
57°F |
10 to 15 mph
ESE
|
|
Sunday
May 31
|
Chance Showers And Thunderstorms
|
77°F |
15 mph
SE
|
|
Sunday Night
May 31
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
58°F |
5 to 15 mph
SE
|
|
Monday
Jun 1
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
80°F |
5 mph
SSW
|
|
Monday Night
Jun 1
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
57°F |
5 to 10 mph
NE
|
|
Tuesday
Jun 2
|
Mostly Sunny
|
81°F |
5 to 10 mph
SE
|
|
Tuesday Night
Jun 2
|
Slight Chance Rain Showers
|
57°F |
10 mph
SSE
|
|
Wednesday
Jun 3
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
82°F |
10 to 15 mph
S
|
|
Wednesday Night
Jun 3
|
Chance Showers And Thunderstorms
|
60°F |
15 mph
S
|
|
Thursday
Jun 4
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
80°F |
15 mph
SSW
|
|
Thursday Night
Jun 4
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
59°F |
10 to 15 mph
S
|
|
Friday
Jun 5
|
Chance Showers And Thunderstorms
|
82°F |
10 mph
SW
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
58°F |
5 to 10 mph
W
|
|
Saturday
Jun 6
|
Slight Chance Rain Showers then Mostly Sunny
|
82°F |
5 to 10 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Petersburg.