What is the weather in Dennison right now?

Current weather in Dennison is thunderstorm with heavy rain.

Where can I find the hourly weather forecast for Dennison?

This page shows hourly weather forecast for Dennison, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Dennison updated regularly?

Weather data for Dennison is updated regularly with the latest available observations and forecasts.

Now · 6:18 AM

Dennison Weather & Hourly Forecast

United States · Minnesota · 55018

67°F

Severe thunderstorms

Feels like: 69°F

💧 Humidity 89% 🌡 Pressure 30.00 inHg 💨 Wind 4 mph 👁 Visibility 1.1 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Dennison

Today

7:00 AM

Thunderstorms

65° 💧 0.199 in 💨 15 mph H 91%29.94 inHg

10:00 AM

Mostly cloudy

71° 💧 0.026 in 💨 13 mph H 80%29.91 inHg

1:00 PM

Light rain

73° 💧 0.248 in 💨 10 mph H 91%29.91 inHg

4:00 PM

Light rain

77° 💧 0.099 in 💨 11 mph H 89%29.88 inHg

7:00 PM

Mostly sunny

76° 💧 0.001 in 💨 7 mph H 91%29.88 inHg

10:00 PM

Mostly clear night

74° 💧 0.001 in 💨 6 mph H 96%29.91 inHg

Tomorrow

1:00 AM

Mostly clear night

70° 💧 None 💨 5 mph H 98%29.94 inHg

4:00 AM

Mostly cloudy night

63° 💧 None 💨 4 mph H 90%29.97 inHg

7:00 AM

Sunny

60° 💧 None 💨 4 mph H 89%30.00 inHg

10:00 AM

Sunny

70° 💧 None 💨 6 mph H 74%30.03 inHg

1:00 PM

Sunny

77° 💧 None 💨 11 mph H 50%30.00 inHg

4:00 PM

Sunny

78° 💧 None 💨 12 mph H 45%29.94 inHg

7:00 PM

Sunny

71° 💧 None 💨 7 mph H 64%29.97 inHg

10:00 PM

Clear night

65° 💧 None 💨 7 mph H 72%30.00 inHg

Thursday

1:00 AM

Clear night

60° 💧 None 💨 4 mph H 83%30.03 inHg

4:00 AM

Mostly cloudy night

58° 💧 None 💨 3 mph H 87%30.03 inHg

Today

7:00 AM

Thunderstorms

65° 💧 0.130 in 💨 15 mph H 91%29.94 inHg

8:00 AM

Light thunderstorms

67° 💧 0.040 in 💨 16 mph H 89%29.94 inHg

9:00 AM

Light thunderstorms

69° 💧 0.030 in 💨 16 mph H 85%29.91 inHg

10:00 AM

Mostly cloudy

71° 💧 None 💨 13 mph H 80%29.91 inHg

11:00 AM

Light rain

74° 💧 0.006 in 💨 13 mph H 78%29.94 inHg

12:00 PM

Light rain

73° 💧 0.021 in 💨 12 mph H 85%29.91 inHg

1:00 PM

Light rain

73° 💧 0.042 in 💨 10 mph H 91%29.91 inHg

2:00 PM

Thunderstorms

74° 💧 0.130 in 💨 8 mph H 93%29.88 inHg

3:00 PM

Light thunderstorms

78° 💧 0.076 in 💨 6 mph H 87%29.88 inHg

4:00 PM

Light rain

77° 💧 0.027 in 💨 11 mph H 89%29.88 inHg

5:00 PM

Light rain

75° 💧 0.071 in 💨 9 mph H 93%29.88 inHg

6:00 PM

Overcast

76° 💧 0.001 in 💨 8 mph H 91%29.88 inHg

7:00 PM

Mostly sunny

76° 💧 0.001 in 💨 7 mph H 91%29.88 inHg

8:00 PM

Partly cloudy night

74° 💧 None 💨 6 mph H 94%29.88 inHg

9:00 PM

Partly cloudy night

74° 💧 0.000 in 💨 7 mph H 95%29.91 inHg

10:00 PM

Mostly clear night

74° 💧 0.001 in 💨 6 mph H 96%29.91 inHg

11:00 PM

Mostly clear night

73° 💧 None 💨 6 mph H 96%29.91 inHg

Tomorrow

12:00 AM

Clear night

72° 💧 None 💨 5 mph H 97%29.94 inHg

1:00 AM

Mostly clear night

70° 💧 None 💨 5 mph H 98%29.94 inHg

2:00 AM

Clear night

69° 💧 None 💨 7 mph H 98%29.94 inHg

3:00 AM

Clear night

66° 💧 None 💨 5 mph H 92%29.97 inHg

4:00 AM

Mostly cloudy night

63° 💧 None 💨 4 mph H 90%29.97 inHg

5:00 AM

Mostly cloudy night

62° 💧 None 💨 4 mph H 90%29.97 inHg

6:00 AM

Clear night

61° 💧 None 💨 4 mph H 89%30.00 inHg

7:00 AM

Sunny

60° 💧 None 💨 4 mph H 89%30.00 inHg

8:00 AM

Sunny

63° 💧 None 💨 6 mph H 86%30.03 inHg

9:00 AM

Sunny

66° 💧 None 💨 6 mph H 83%30.03 inHg

10:00 AM

Sunny

70° 💧 None 💨 6 mph H 74%30.03 inHg

11:00 AM

Partly cloudy

74° 💧 None 💨 8 mph H 65%30.03 inHg

12:00 PM

Partly cloudy

76° 💧 None 💨 9 mph H 58%30.00 inHg

1:00 PM

Sunny

77° 💧 None 💨 11 mph H 50%30.00 inHg

2:00 PM

Sunny

78° 💧 None 💨 12 mph H 49%29.97 inHg

3:00 PM

Sunny

78° 💧 None 💨 12 mph H 48%29.97 inHg

4:00 PM

Sunny

78° 💧 None 💨 12 mph H 45%29.94 inHg

5:00 PM

Sunny

77° 💧 None 💨 10 mph H 50%29.94 inHg

6:00 PM

Sunny

75° 💧 None 💨 7 mph H 58%29.94 inHg

7:00 PM

Sunny

71° 💧 None 💨 7 mph H 64%29.97 inHg

8:00 PM

Clear night

68° 💧 None 💨 5 mph H 68%29.97 inHg

9:00 PM

Mostly clear night

65° 💧 None 💨 5 mph H 72%30.00 inHg

10:00 PM

Clear night

65° 💧 None 💨 7 mph H 72%30.00 inHg

11:00 PM

Clear night

63° 💧 None 💨 5 mph H 76%30.03 inHg

Thursday

12:00 AM

Clear night

62° 💧 None 💨 5 mph H 80%30.03 inHg

1:00 AM

Clear night

60° 💧 None 💨 4 mph H 83%30.03 inHg

2:00 AM

Clear night

59° 💧 None 💨 4 mph H 85%30.03 inHg

3:00 AM

Clear night

58° 💧 None 💨 4 mph H 87%30.00 inHg

4:00 AM

Mostly cloudy night

58° 💧 None 💨 3 mph H 87%30.03 inHg

5:00 AM

Partly cloudy night

57° 💧 None 💨 3 mph H 87%30.03 inHg

6:00 AM

Clear night

56° 💧 None 💨 3 mph H 89%30.03 inHg

7:00 AM

Sunny

56° 💧 None 💨 4 mph H 91%30.06 inHg

8:00 AM

Sunny

60° 💧 None 💨 6 mph H 87%30.06 inHg

9:00 AM

Sunny

65° 💧 None 💨 4 mph H 81%30.06 inHg

10:00 AM

Sunny

69° 💧 None 💨 5 mph H 68%30.06 inHg

11:00 AM

Sunny

71° 💧 None 💨 5 mph H 57%30.06 inHg

12:00 PM

Sunny

73° 💧 None 💨 5 mph H 51%30.06 inHg

1:00 PM

Sunny

74° 💧 None 💨 5 mph H 49%30.03 inHg

2:00 PM

Sunny

75° 💧 None 💨 5 mph H 48%30.00 inHg

3:00 PM

Sunny

75° 💧 0.000 in 💨 6 mph H 48%30.00 inHg

4:00 PM

Sunny

76° 💧 None 💨 6 mph H 48%29.97 inHg

5:00 PM

Sunny

76° 💧 None 💨 5 mph H 49%29.94 inHg

6:00 PM

Sunny

75° 💧 None 💨 3 mph H 57%29.94 inHg

7:00 PM

Sunny

71° 💧 None 💨 3 mph H 69%29.94 inHg

10:00 PM

Clear night

66° 💧 None 💨 8 mph H 72%29.94 inHg

Friday

1:00 AM

Clear night

64° 💧 None 💨 9 mph H 74%29.94 inHg

4:00 AM

Clear night

63° 💧 None 💨 10 mph H 78%29.91 inHg

7:00 AM

Sunny

63° 💧 None 💨 13 mph H 77%29.88 inHg

10:00 AM

Partly cloudy

70° 💧 None 💨 14 mph H 66%29.85 inHg

1:00 PM

Partly cloudy

78° 💧 None 💨 17 mph H 53%29.77 inHg

4:00 PM

Mostly sunny

79° 💧 None 💨 17 mph H 54%29.68 inHg

7:00 PM

Mostly cloudy

75° 💧 None 💨 17 mph H 61%29.65 inHg

10:00 PM

Mostly cloudy night

73° 💧 None 💨 16 mph H 67%29.65 inHg

Saturday

1:00 AM

Clear night

72° 💧 None 💨 19 mph H 67%29.56 inHg

4:00 AM

Mostly cloudy night

73° 💧 None 💨 17 mph H 74%29.59 inHg

7:00 AM

Mostly sunny

70° 💧 None 💨 12 mph H 86%29.65 inHg

10:00 AM

Overcast

71° 💧 None 💨 15 mph H 78%29.77 inHg

1:00 PM

Sunny

72° 💧 None 💨 15 mph H 55%29.85 inHg

4:00 PM

Mostly sunny

72° 💧 None 💨 15 mph H 48%29.88 inHg

7:00 PM

Sunny

68° 💧 None 💨 9 mph H 57%29.91 inHg

10:00 PM

Clear night

62° 💧 None 💨 6 mph H 65%29.97 inHg

Sunday

1:00 AM

Mostly clear night

58° 💧 None 💨 6 mph H 74%30.06 inHg

4:00 AM

Clear night

55° 💧 None 💨 5 mph H 78%30.09 inHg

7:00 AM

Mostly sunny

51° 💧 None 💨 4 mph H 88%30.12 inHg

10:00 AM

Overcast

61° 💧 None 💨 6 mph H 63%30.15 inHg

1:00 PM

Overcast

62° 💧 None 💨 6 mph H 60%30.18 inHg

4:00 PM

Overcast

60° 💧 None 💨 3 mph H 70%30.15 inHg

7:00 PM

Mostly sunny

59° 💧 None 💨 2 mph H 75%30.12 inHg

Monday

1:00 AM

Overcast night

57° 💧 None 💨 6 mph H 84%30.12 inHg

7:00 AM

Moderate rain

56° 💧 None 💨 10 mph H 93%30.03 inHg

1:00 PM

Light rain

60° 💧 None 💨 11 mph H 93%29.85 inHg

7:00 PM

Mostly cloudy

63° 💧 None 💨 8 mph H 97%29.77 inHg

Tuesday

1:00 AM

Clear night

58° 💧 None 💨 9 mph H 94%29.91 inHg

7:00 AM

Sunny

53° 💧 None 💨 8 mph H 86%30.03 inHg

1:00 PM

Mostly cloudy

66° 💧 None 💨 11 mph H 64%30.12 inHg

7:00 PM

Sunny

63° 💧 None 💨 3 mph H 77%30.15 inHg

Wednesday

1:00 AM

Mostly cloudy night

55° 💧 None 💨 2 mph H 90%30.27 inHg

7:00 AM

Mostly cloudy

56° 💧 None 💨 3 mph H 91%30.30 inHg

1:00 PM

Partly cloudy

69° 💧 None 💨 6 mph H 57%30.33 inHg

7:00 PM

Sunny

65° 💧 None 💨 5 mph H 77%30.27 inHg

Thursday

1:00 AM

Clear night

57° 💧 None 💨 4 mph H 92%30.30 inHg

7:00 AM

Mostly cloudy

57° 💧 None 💨 6 mph H 91%30.33 inHg

1:00 PM

Sunny

70° 💧 None 💨 12 mph H 63%30.42 inHg

7:00 PM

Sunny

63° 💧 None 💨 9 mph H 66%30.45 inHg

Friday

1:00 AM

Clear night

51° 💧 None 💨 5 mph H 79%30.56 inHg

7:00 AM

Sunny

45° 💧 None 💨 3 mph H 92%30.59 inHg

1:00 PM

Sunny

61° 💧 None 💨 3 mph H 52%30.53 inHg

7:00 PM

Sunny

59° 💧 None 💨 1 mph H 67%30.42 inHg

Saturday

1:00 AM

Overcast night

50° 💧 None 💨 6 mph H 83%30.33 inHg

7:00 AM

Sunny

48° 💧 None 💨 8 mph H 87%30.27 inHg

1:00 PM

Partly cloudy

66° 💧 None 💨 13 mph H 51%30.15 inHg

7:00 PM

Partly cloudy

63° 💧 None 💨 12 mph H 62%29.97 inHg

Sunday

1:00 AM

Partly cloudy night

59° 💧 None 💨 14 mph H 72%29.94 inHg

7:00 AM

Overcast

61° 💧 None 💨 13 mph H 68%29.91 inHg

1:00 PM

Partly cloudy

69° 💧 None 💨 9 mph H 68%29.91 inHg

7:00 PM

Mostly sunny

67° 💧 None 💨 6 mph H 67%29.88 inHg

Monday

1:00 AM

Partly cloudy night

61° 💧 None 💨 9 mph H 66%29.94 inHg

7:00 AM

Overcast

57° 💧 None 💨 9 mph H 61%30.00 inHg

1:00 PM

Overcast

68° 💧 None 💨 17 mph H 49%30.03 inHg

7:00 PM

Mostly sunny

60° 💧 None 💨 11 mph H 61%30.06 inHg

Tuesday

1:00 AM

Clear night

51° 💧 None 💨 4 mph H 85%30.09 inHg

7:00 AM

Sunny

53° 💧 None 💨 10 mph H 80%30.03 inHg

1:00 PM

Sunny

74° 💧 None 💨 12 mph H 48%29.97 inHg

7:00 PM

Sunny

69° 💧 None 💨 5 mph H 60%29.88 inHg

In Dennison and, more broadly, across the state of Minnesota: This morning will start with mostly cloudy skies, accompanied by mild to warm temperatures ranging from about 64 to 82 degrees. Expect moderate south winds at around 15 mph, with gusts reaching up to 32 mph, creating a breezy start to the day. As the afternoon progresses, the cloud cover will remain, and there is a good chance of rain, with total accumulation around 0.12 inches. The possibility of rain is high, so outdoor plans should consider potential showers. Temperatures are expected to stay steady, keeping the day relatively warm despite the clouds. Winds will continue from the south, maintaining a breezy atmosphere throughout the day. Remember to stay prepared for the possibility of light rain and gusty winds later today.

15-Day Weather Outlook for Dennison

TomorrowTomorrow

Mostly sunny 78°/60° 💧 None 💨 12 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 76°/56° 💧 None 💨 7 mph

Friday, Sep 11Fri Sep 11

Partly cloudy 80°/63° 💧 None 💨 19 mph

Saturday, Sep 12Sat Sep 12

Overcast 75°/68° 💧 0.000 in 💨 18 mph

Sunday, Sep 13Sun Sep 13

Mostly sunny 73°/55° 💧 None 💨 9 mph

Monday, Sep 14Mon Sep 14

Light thunderstorms 70°/61° 💧 1.392 in 💨 15 mph

Tuesday, Sep 15Tue Sep 15

Moderate rain 74°/56° 💧 0.417 in 💨 16 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 65°/50° 💧 None 💨 12 mph

Thursday, Sep 17Thu Sep 17

Overcast 70°/58° 💧 0.101 in 💨 10 mph

Friday, Sep 18Fri Sep 18

Light rain 68°/62° 💧 0.532 in 💨 11 mph

Saturday, Sep 19Sat Sep 19

Overcast 67°/54° 💧 0.002 in 💨 9 mph

Sunday, Sep 20Sun Sep 20

Light rain 65°/60° 💧 0.017 in 💨 3 mph

Monday, Sep 21Mon Sep 21

Partly cloudy 66°/56° 💧 0.005 in 💨 9 mph

Tuesday, Sep 22Tue Sep 22

Overcast 68°/64° 💧 0.014 in 💨 14 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Dennison

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Dennison

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 7:00 AM

PM2.5 Fine particles Good 7,2µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 7,6µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 73,4µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 1,7µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Dennison

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 5,3Moderate 🙂Fair

Tomorrow UV 6,2High 🙂Fair

Thursday UV 6,1High 🙂Fair

Friday UV 6,0High 🙂Fair

Saturday UV 7,0High 🙂Fair

Sunday UV 6,0High —Unavailable

Monday UV 5,0Moderate —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,2 9:00 AMUV 0,3 10:00 AMUV 1,8 11:00 AMUV 3,7 12:00 PMUV 3,9 1:00 PMUV 0,9 2:00 PMUV 5,3 3:00 PMUV 2,9 4:00 PMUV 1,5 5:00 PMUV 1,9 6:00 PMUV 0,6

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Dennison

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · DENNISON, MINNESOTA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 2:00 AM–3:00 AM.

94/100Best-hour score

BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 9:17 PM–5:03 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 7% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 55° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min73%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Dennison were last refreshed today at 6:18 AM. The current forecast period extends through 10/09/2026 at 4:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.